├── LICENSE
├── README.md
├── benchmark
    ├── bash_data
    │   ├── average.txt
    │   ├── bash_data.png
    │   ├── cpu.txt
    │   ├── ram.txt
    │   └── time.txt
    ├── mean.py
    ├── monitor.py
    ├── plot.py
    └── python_data
    │   ├── average.txt
    │   ├── cpu.txt
    │   ├── python_data.png
    │   ├── ram.txt
    │   └── time.txt
├── fan.py
├── fan.sh
├── install.sh
├── media
    ├── GPIO-Pinout-Diagram.png
    ├── PN2222A.jpg
    └── circuit.png
└── uninstall.sh


/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2020 浪人
 4 | Copyright (c) 2020 0xHaru
 5 | 
 6 | Permission is hereby granted, free of charge, to any person obtaining a copy
 7 | of this software and associated documentation files (the "Software"), to deal
 8 | in the Software without restriction, including without limitation the rights
 9 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 | copies of the Software, and to permit persons to whom the Software is
11 | furnished to do so, subject to the following conditions:
12 | 
13 | The above copyright notice and this permission notice shall be included in all
14 | copies or substantial portions of the Software.
15 | 
16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 | SOFTWARE.
23 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
  1 | # Raspberry-Pi-Fan-Controller
  2 | 
  3 | Raspberry-Pi-Fan-Controller is a temperature based fan controller that turns the fan on when a certain temperature is reached and turns the fan off when the threshold isn't met anymore.
  4 | 
  5 | ## Components
  6 | 
  7 | -   Raspberry Pi
  8 | 
  9 | -   Fan
 10 | 
 11 | -   2N2222 Transistor
 12 | 
 13 | -   10K ohm Resistor
 14 | 
 15 | ## Schema
 16 | 
 17 | ![](media/circuit.png)
 18 | 
 19 | [RPI4 GPIO Pinout](media/GPIO-Pinout-Diagram.png)
 20 | 
 21 | [2N2222 Transistor](media/PN2222A.jpg)
 22 | 
 23 | ## Prerequisites
 24 | 
 25 | -   Python 3.8+
 26 | 
 27 | -   Bash 4.2+
 28 | 
 29 | ## Installation
 30 | 
 31 | ### 1. Installation script
 32 | 
 33 | The installation script will create an executable script, a config file and if selected it will autostart the script at boot.
 34 | 
 35 | ```bash
 36 | sh -c "$(wget -qO- https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/install.sh)"
 37 | ```
 38 | 
 39 | To **uninstall** the program and all of its files use:
 40 | 
 41 | ```bash
 42 | sh -c "$(wget -qO- https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/uninstall.sh)"
 43 | ```
 44 | 
 45 | #### Manual inspection
 46 | 
 47 | It's always a good idea to inspect the installation script, you can do that by downloading the installation script first, looking through it and then running it.
 48 | 
 49 | ```bash
 50 | wget -q https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/install.sh
 51 | ```
 52 | 
 53 | ### 2. Clone the repository
 54 | 
 55 | ```bash
 56 | git clone https://github.com/0xharu/raspberry-pi-fan-controller.git
 57 | ```
 58 | 
 59 | ### 3. DownGit Links
 60 | 
 61 | -   [fan.py](https://downgit.github.io/#/home?url=https://github.com/0xHaru/Raspberry-Pi-Fan-Controller/blob/master/fan.py)
 62 | 
 63 | -   [fan.sh](https://downgit.github.io/#/home?url=https://github.com/0xHaru/Raspberry-Pi-Fan-Controller/blob/master/fan.sh)
 64 | 
 65 | ## Usage
 66 | 
 67 | If you cloned the repository or used the DownGit links use: `python3 fan.py` or `bash fan.sh`.
 68 | 
 69 | If you used the installation script and installed only one of the scripts use: `fan`
 70 | 
 71 | If you installed both scripts use: `fan-py` or `fan-sh`.
 72 | 
 73 | In my experience even if the benchmarks are pretty much the same the python script seems to perform better and triggers the fan less frequently compared to the bash script.
 74 | 
 75 | ## Autostart
 76 | 
 77 | To autostart the script either use the installation script or edit your crontab list.
 78 | 
 79 | #### How to edit your crontab list:
 80 | 
 81 | 1. `chmod +x <script>`
 82 | 
 83 | 2. `crontab -e`
 84 | 
 85 | 3. Add this line at the end of the file: `@reboot /path/to/the/script >/dev/null 2>&1 || touch "$HOME/Desktop/AUTOSTART_FAILED"`
 86 | 
 87 | In case the script fails to autostart a file will be created on the desktop to alert the user.
 88 | 
 89 | If you installed the bash script add `sudo` before the path.
 90 | 
 91 | ## Run the script as a deamon
 92 | 
 93 | `nohup fan >/dev/null 2>&1 &`
 94 | 
 95 | I recommend using an alias like: `alias fan-d="nohup fan >/dev/null 2>&1 &"`
 96 | 
 97 | To kill the process use: `kill -9 <PID>`
 98 | 
 99 | The PID is returned by `fan-d`.
100 | 
101 | ## Benchmark
102 | 
103 | I benchmarked both scripts, I measured CPU and RAM usage every second for 5 minutes and plotted the collected data with Matplotlib.
104 | 
105 | ### Python
106 | 
107 | ![](benchmark/python_data/python_data.png)
108 | 
109 | CPU AVG: 1.1428%
110 | 
111 | RAM AVG: 12.8993%
112 | 
113 | ### Bash
114 | 
115 | ![](benchmark/bash_data/bash_data.png)
116 | 
117 | CPU AVG: 1.1505%
118 | 
119 | RAM AVG: 12.7267%
120 | 
121 | ## Useful Resources
122 | 
123 | ### RPI
124 | 
125 | [github.com/mishka/RaspberryPiFanController](https://github.com/mishka/RaspberryPiFanController)
126 | 
127 | [raspberrypi-aa.github.io/session2/bash.html](https://raspberrypi-aa.github.io/session2/bash.html)
128 | 
129 | [medium.com/coinmonks/controlling-raspberry-pi-gpio-pins-from-bash-scripts-traffic-lights](https://medium.com/coinmonks/controlling-raspberry-pi-gpio-pins-from-bash-scripts-traffic-lights-7ea0057c6a90)
130 | 
131 | ### Cron
132 | 
133 | [cyberciti.biz/faq/linux-execute-cron-job-after-system-reboot](https://www.cyberciti.biz/faq/linux-execute-cron-job-after-system-reboot/)
134 | 
135 | ### Misc
136 | 
137 | [cyberciti.biz/faq/how-to-redirect-output-and-errors-to-devnull](https://www.cyberciti.biz/faq/how-to-redirect-output-and-errors-to-devnull/)
138 | 
139 | [linux.com/training-tutorials/how-kill-process-command-line](https://www.linux.com/training-tutorials/how-kill-process-command-line/)
140 | 
141 | ## License
142 | 
143 | This project uses the following license: [MIT](LICENSE).
144 | 


--------------------------------------------------------------------------------
/benchmark/bash_data/average.txt:
--------------------------------------------------------------------------------
1 | CPU AVG: 1.150501672240801
2 | RAM AVG: 12.726755852842778


--------------------------------------------------------------------------------
/benchmark/bash_data/bash_data.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/0xHaru/Raspberry-Pi-Fan-Controller/ec322d93c5858077d61298bd8be9585bda5f212d/benchmark/bash_data/bash_data.png


--------------------------------------------------------------------------------
/benchmark/bash_data/cpu.txt:
--------------------------------------------------------------------------------
  1 | 0.2
  2 | 0.2
  3 | 0.2
  4 | 0.2
  5 | 0.5
  6 | 0.0
  7 | 0.7
  8 | 0.5
  9 | 0.5
 10 | 1.5
 11 | 0.5
 12 | 0.2
 13 | 0.3
 14 | 0.7
 15 | 0.5
 16 | 0.3
 17 | 0.7
 18 | 0.3
 19 | 0.2
 20 | 0.8
 21 | 0.0
 22 | 0.7
 23 | 1.3
 24 | 1.0
 25 | 1.7
 26 | 0.8
 27 | 1.7
 28 | 1.2
 29 | 1.5
 30 | 1.5
 31 | 1.2
 32 | 1.0
 33 | 1.3
 34 | 1.0
 35 | 1.7
 36 | 1.2
 37 | 1.2
 38 | 1.0
 39 | 1.0
 40 | 1.7
 41 | 1.0
 42 | 1.2
 43 | 1.5
 44 | 0.8
 45 | 1.5
 46 | 1.5
 47 | 1.0
 48 | 1.2
 49 | 1.0
 50 | 1.0
 51 | 1.0
 52 | 1.5
 53 | 1.3
 54 | 1.0
 55 | 1.3
 56 | 1.5
 57 | 0.8
 58 | 1.5
 59 | 1.0
 60 | 1.5
 61 | 0.7
 62 | 1.2
 63 | 1.5
 64 | 0.8
 65 | 1.7
 66 | 0.8
 67 | 1.0
 68 | 1.2
 69 | 1.0
 70 | 1.5
 71 | 0.8
 72 | 1.5
 73 | 1.0
 74 | 1.3
 75 | 1.5
 76 | 1.2
 77 | 1.2
 78 | 1.5
 79 | 1.5
 80 | 1.7
 81 | 1.0
 82 | 1.0
 83 | 1.2
 84 | 0.8
 85 | 1.5
 86 | 1.2
 87 | 1.2
 88 | 1.0
 89 | 1.2
 90 | 1.5
 91 | 1.2
 92 | 0.8
 93 | 1.0
 94 | 1.2
 95 | 1.3
 96 | 1.2
 97 | 1.0
 98 | 1.5
 99 | 1.0
100 | 1.5
101 | 1.2
102 | 1.0
103 | 1.2
104 | 1.0
105 | 1.0
106 | 1.2
107 | 1.3
108 | 1.3
109 | 1.0
110 | 1.5
111 | 1.0
112 | 1.2
113 | 1.5
114 | 1.0
115 | 1.5
116 | 1.2
117 | 1.2
118 | 1.2
119 | 1.0
120 | 1.7
121 | 1.0
122 | 1.2
123 | 1.0
124 | 1.2
125 | 1.2
126 | 1.5
127 | 1.5
128 | 1.0
129 | 1.2
130 | 1.0
131 | 1.5
132 | 1.0
133 | 1.2
134 | 1.7
135 | 1.0
136 | 1.2
137 | 1.5
138 | 1.0
139 | 1.2
140 | 1.5
141 | 1.2
142 | 0.8
143 | 1.2
144 | 1.2
145 | 1.0
146 | 1.5
147 | 1.2
148 | 1.0
149 | 1.2
150 | 1.5
151 | 1.0
152 | 1.0
153 | 1.2
154 | 0.7
155 | 1.5
156 | 1.5
157 | 1.3
158 | 1.2
159 | 1.0
160 | 1.5
161 | 1.0
162 | 1.5
163 | 1.0
164 | 1.0
165 | 1.0
166 | 1.0
167 | 1.0
168 | 1.0
169 | 1.0
170 | 1.2
171 | 1.0
172 | 1.0
173 | 1.3
174 | 1.2
175 | 1.7
176 | 1.0
177 | 1.2
178 | 1.0
179 | 1.2
180 | 1.5
181 | 1.0
182 | 1.0
183 | 1.5
184 | 1.2
185 | 1.5
186 | 1.0
187 | 1.2
188 | 1.0
189 | 1.2
190 | 1.5
191 | 1.2
192 | 1.2
193 | 1.0
194 | 1.7
195 | 1.0
196 | 1.5
197 | 1.0
198 | 0.8
199 | 1.2
200 | 1.3
201 | 0.8
202 | 1.5
203 | 1.2
204 | 1.5
205 | 1.2
206 | 1.0
207 | 1.2
208 | 1.0
209 | 1.2
210 | 1.3
211 | 1.2
212 | 1.2
213 | 1.2
214 | 1.2
215 | 1.5
216 | 1.2
217 | 1.0
218 | 1.0
219 | 1.0
220 | 1.7
221 | 1.0
222 | 1.0
223 | 1.7
224 | 1.2
225 | 1.5
226 | 1.2
227 | 1.2
228 | 1.0
229 | 1.2
230 | 1.2
231 | 1.0
232 | 1.0
233 | 1.0
234 | 1.5
235 | 1.5
236 | 1.2
237 | 1.2
238 | 1.0
239 | 1.5
240 | 1.3
241 | 1.0
242 | 1.2
243 | 1.0
244 | 1.0
245 | 1.8
246 | 1.0
247 | 1.3
248 | 1.0
249 | 1.0
250 | 1.3
251 | 1.2
252 | 1.3
253 | 1.2
254 | 1.7
255 | 1.7
256 | 1.0
257 | 1.0
258 | 1.2
259 | 1.0
260 | 1.7
261 | 1.3
262 | 1.0
263 | 1.2
264 | 1.5
265 | 1.7
266 | 1.2
267 | 1.0
268 | 1.0
269 | 1.0
270 | 1.5
271 | 1.2
272 | 1.0
273 | 0.8
274 | 1.2
275 | 1.5
276 | 0.8
277 | 1.2
278 | 1.3
279 | 1.0
280 | 1.5
281 | 1.2
282 | 1.2
283 | 1.0
284 | 1.2
285 | 1.5
286 | 1.0
287 | 1.2
288 | 1.0
289 | 1.0
290 | 2.0
291 | 1.0
292 | 0.8
293 | 1.5
294 | 1.5
295 | 1.5
296 | 1.0
297 | 1.2
298 | 1.0
299 | 1.2
300 | 


--------------------------------------------------------------------------------
/benchmark/bash_data/ram.txt:
--------------------------------------------------------------------------------
  1 | 12.6
  2 | 12.6
  3 | 12.6
  4 | 12.6
  5 | 12.7
  6 | 12.6
  7 | 12.6
  8 | 12.6
  9 | 12.6
 10 | 12.7
 11 | 12.7
 12 | 12.7
 13 | 12.7
 14 | 12.7
 15 | 12.7
 16 | 12.7
 17 | 12.7
 18 | 12.7
 19 | 12.7
 20 | 12.7
 21 | 12.7
 22 | 12.7
 23 | 12.7
 24 | 12.7
 25 | 12.7
 26 | 12.7
 27 | 12.7
 28 | 12.7
 29 | 12.7
 30 | 12.7
 31 | 12.8
 32 | 12.8
 33 | 12.8
 34 | 12.8
 35 | 12.8
 36 | 12.8
 37 | 12.8
 38 | 12.8
 39 | 12.8
 40 | 12.8
 41 | 12.8
 42 | 12.8
 43 | 12.8
 44 | 12.8
 45 | 12.8
 46 | 12.8
 47 | 12.8
 48 | 12.8
 49 | 12.8
 50 | 12.8
 51 | 12.8
 52 | 12.8
 53 | 12.8
 54 | 12.8
 55 | 12.8
 56 | 12.8
 57 | 12.8
 58 | 12.8
 59 | 12.8
 60 | 12.8
 61 | 12.8
 62 | 12.8
 63 | 12.8
 64 | 12.8
 65 | 12.8
 66 | 12.8
 67 | 12.8
 68 | 12.8
 69 | 12.8
 70 | 12.7
 71 | 12.7
 72 | 12.7
 73 | 12.7
 74 | 12.7
 75 | 12.7
 76 | 12.7
 77 | 12.7
 78 | 12.7
 79 | 12.7
 80 | 12.7
 81 | 12.7
 82 | 12.7
 83 | 12.8
 84 | 12.8
 85 | 12.8
 86 | 12.7
 87 | 12.7
 88 | 12.7
 89 | 12.7
 90 | 12.7
 91 | 12.7
 92 | 12.7
 93 | 12.7
 94 | 12.7
 95 | 12.7
 96 | 12.7
 97 | 12.7
 98 | 12.7
 99 | 12.7
100 | 12.8
101 | 12.8
102 | 12.8
103 | 12.8
104 | 12.8
105 | 12.7
106 | 12.7
107 | 12.7
108 | 12.7
109 | 12.7
110 | 12.7
111 | 12.7
112 | 12.7
113 | 12.7
114 | 12.7
115 | 12.7
116 | 12.7
117 | 12.7
118 | 12.7
119 | 12.7
120 | 12.7
121 | 12.7
122 | 12.7
123 | 12.7
124 | 12.7
125 | 12.7
126 | 12.7
127 | 12.7
128 | 12.7
129 | 12.7
130 | 12.7
131 | 12.7
132 | 12.7
133 | 12.7
134 | 12.7
135 | 12.7
136 | 12.7
137 | 12.7
138 | 12.7
139 | 12.7
140 | 12.7
141 | 12.7
142 | 12.7
143 | 12.7
144 | 12.7
145 | 12.7
146 | 12.7
147 | 12.7
148 | 12.7
149 | 12.7
150 | 12.7
151 | 12.7
152 | 12.7
153 | 12.7
154 | 12.7
155 | 12.7
156 | 12.7
157 | 12.7
158 | 12.7
159 | 12.8
160 | 12.8
161 | 12.8
162 | 12.8
163 | 12.8
164 | 12.8
165 | 12.8
166 | 12.8
167 | 12.8
168 | 12.8
169 | 12.8
170 | 12.8
171 | 12.8
172 | 12.8
173 | 12.8
174 | 12.8
175 | 12.8
176 | 12.8
177 | 12.8
178 | 12.8
179 | 12.8
180 | 12.7
181 | 12.7
182 | 12.7
183 | 12.7
184 | 12.7
185 | 12.7
186 | 12.7
187 | 12.7
188 | 12.7
189 | 12.7
190 | 12.8
191 | 12.8
192 | 12.7
193 | 12.7
194 | 12.7
195 | 12.7
196 | 12.7
197 | 12.7
198 | 12.7
199 | 12.7
200 | 12.7
201 | 12.7
202 | 12.7
203 | 12.7
204 | 12.7
205 | 12.7
206 | 12.7
207 | 12.7
208 | 12.7
209 | 12.7
210 | 12.7
211 | 12.7
212 | 12.7
213 | 12.7
214 | 12.7
215 | 12.7
216 | 12.7
217 | 12.7
218 | 12.7
219 | 12.7
220 | 12.7
221 | 12.7
222 | 12.7
223 | 12.7
224 | 12.7
225 | 12.7
226 | 12.7
227 | 12.7
228 | 12.7
229 | 12.7
230 | 12.8
231 | 12.8
232 | 12.8
233 | 12.8
234 | 12.7
235 | 12.7
236 | 12.8
237 | 12.8
238 | 12.8
239 | 12.8
240 | 12.8
241 | 12.7
242 | 12.8
243 | 12.8
244 | 12.8
245 | 12.7
246 | 12.7
247 | 12.7
248 | 12.7
249 | 12.7
250 | 12.7
251 | 12.7
252 | 12.7
253 | 12.7
254 | 12.7
255 | 12.7
256 | 12.7
257 | 12.7
258 | 12.7
259 | 12.7
260 | 12.7
261 | 12.7
262 | 12.7
263 | 12.7
264 | 12.7
265 | 12.7
266 | 12.7
267 | 12.7
268 | 12.7
269 | 12.7
270 | 12.7
271 | 12.7
272 | 12.7
273 | 12.7
274 | 12.7
275 | 12.7
276 | 12.7
277 | 12.7
278 | 12.7
279 | 12.7
280 | 12.7
281 | 12.7
282 | 12.7
283 | 12.7
284 | 12.7
285 | 12.7
286 | 12.7
287 | 12.7
288 | 12.7
289 | 12.7
290 | 12.7
291 | 12.7
292 | 12.7
293 | 12.7
294 | 12.8
295 | 12.8
296 | 12.8
297 | 12.8
298 | 12.8
299 | 12.8
300 | 


--------------------------------------------------------------------------------
/benchmark/bash_data/time.txt:
--------------------------------------------------------------------------------
  1 | 14/12/2020 03:40:48
  2 | 14/12/2020 03:40:49
  3 | 14/12/2020 03:40:50
  4 | 14/12/2020 03:40:51
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 11 | 14/12/2020 03:40:58
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 13 | 14/12/2020 03:41:00
 14 | 14/12/2020 03:41:01
 15 | 14/12/2020 03:41:02
 16 | 14/12/2020 03:41:03
 17 | 14/12/2020 03:41:04
 18 | 14/12/2020 03:41:05
 19 | 14/12/2020 03:41:06
 20 | 14/12/2020 03:41:07
 21 | 14/12/2020 03:41:08
 22 | 14/12/2020 03:41:09
 23 | 14/12/2020 03:41:10
 24 | 14/12/2020 03:41:11
 25 | 14/12/2020 03:41:12
 26 | 14/12/2020 03:41:13
 27 | 14/12/2020 03:41:14
 28 | 14/12/2020 03:41:15
 29 | 14/12/2020 03:41:16
 30 | 14/12/2020 03:41:17
 31 | 14/12/2020 03:41:18
 32 | 14/12/2020 03:41:19
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 38 | 14/12/2020 03:41:25
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 40 | 14/12/2020 03:41:27
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 46 | 14/12/2020 03:41:33
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 49 | 14/12/2020 03:41:36
 50 | 14/12/2020 03:41:37
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 55 | 14/12/2020 03:41:42
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 57 | 14/12/2020 03:41:44
 58 | 14/12/2020 03:41:45
 59 | 14/12/2020 03:41:46
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300 | 


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/benchmark/mean.py:
--------------------------------------------------------------------------------
 1 | import os
 2 | 
 3 | PATH = os.path.dirname(__file__) + "/"
 4 | 
 5 | with open(f"{PATH}cpu.log", "r") as f:
 6 |     cpu_list = [float(x) for x in f]
 7 | 
 8 | with open(f"{PATH}ram.log", "r") as f:
 9 |     ram_list = [float(x) for x in f]
10 | 
11 | cpu_avg = sum(cpu_list) / len(cpu_list)
12 | ram_avg = sum(ram_list) / len(ram_list)
13 | 
14 | print(f"CPU:\n{cpu_list}\n")
15 | print(f"RAM:\n{ram_list}\n")
16 | 
17 | print(f"CPU AVG: {cpu_avg}\n")
18 | print(f"RAM AVG: {ram_avg}\n")
19 | 
20 | with open(f"{PATH}average.txt", "a") as f:
21 |     f.write(f"CPU AVG: {cpu_avg}\n")
22 |     f.write(f"RAM AVG: {ram_avg}")
23 | 


--------------------------------------------------------------------------------
/benchmark/monitor.py:
--------------------------------------------------------------------------------
 1 | import os
 2 | from datetime import datetime
 3 | from time import sleep
 4 | 
 5 | import psutil
 6 | 
 7 | PATH = os.path.dirname(__file__) + "/"
 8 | 
 9 | cpu_log = open(f"{PATH}cpu.log", "a")
10 | ram_log = open(f"{PATH}ram.log", "a")
11 | timestamp_log = open(f"{PATH}timestamps.log", "a")
12 | 
13 | for i in range(0, 300):
14 |     timestamp = datetime.now().strftime("%d/%m/%Y %H:%M:%S")
15 |     cpu_usage = psutil.cpu_percent()
16 |     ram_usage = psutil.virtual_memory().percent
17 | 
18 |     timestamp_log.write(str(timestamp) + "\n")
19 |     cpu_log.write(str(cpu_usage) + "\n")
20 |     ram_log.write(str(ram_usage) + "\n")
21 | 
22 |     print(f"{timestamp}  |  CPU: {cpu_usage}  |  RAM: {ram_usage}")
23 | 
24 |     sleep(1)
25 | 
26 | cpu_log.close()
27 | ram_log.close()
28 | timestamp_log.close()
29 | 


--------------------------------------------------------------------------------
/benchmark/plot.py:
--------------------------------------------------------------------------------
 1 | import os
 2 | 
 3 | import matplotlib.dates
 4 | import matplotlib.pyplot as plt
 5 | from dt import dt
 6 | 
 7 | plt.rcParams["font.size"] = 18
 8 | PATH = os.path.dirname(__file__) + "/"
 9 | 
10 | with open(f"{PATH}timestamp.log", "r") as f:
11 |     timestamp_list = [dt.strptime(x.strip(), "%d/%m/%Y %H:%M:%S") for x in f]
12 | 
13 | with open(f"{PATH}cpu.log", "r") as f:
14 |     cpu_list = [float(x) for x in f]
15 | 
16 | with open(f"{PATH}ram.log", "r") as f:
17 |     ram_list = [float(x) for x in f]
18 | 
19 | timestamp_printable = [dt.strftime(x, "%d/%m/%Y %H:%M:%S") for x in timestamp_list]
20 | 
21 | print(f"TIME_LIST:\n{timestamp_printable}\n")
22 | print(f"CPU_LIST:\n{cpu_list}\n")
23 | print(f"RAM_LIST:\n{ram_list}\n")
24 | 
25 | figure = plt.figure()
26 | plt.subplots_adjust(left=0.125, bottom=0.1, right=0.9, top=0.9, wspace=0.2, hspace=0.5)
27 | figure.set_size_inches(18.5, 10.5)
28 | axes_1 = plt.subplot(211)  # 211 => nrows=2, ncols=1, plot_number=1
29 | axes_2 = plt.subplot(212)  # 212 => nrows=2, ncols=1, plot_number=2
30 | 
31 | axes_1.set_title("CPU")
32 | axes_1.set_xlabel("Time")
33 | axes_1.set_ylabel("Usage")
34 | 
35 | axes_2.set_title("RAM")
36 | axes_2.set_xlabel("Time")
37 | axes_2.set_ylabel("Usage")
38 | 
39 | axes_1.xaxis.labelpad = 20
40 | axes_1.yaxis.labelpad = 20
41 | axes_2.xaxis.labelpad = 20
42 | axes_2.yaxis.labelpad = 20
43 | 
44 | formatter = matplotlib.dates.DateFormatter("%H:%M:%S")
45 | 
46 | axes_1.xaxis.set_major_formatter(formatter)
47 | axes_2.xaxis.set_major_formatter(formatter)
48 | 
49 | axes_1.plot(timestamp_list, cpu_list)
50 | axes_2.plot(timestamp_list, ram_list)
51 | 
52 | plt.savefig(f"{PATH}data.png", format="png", dpi=300)
53 | 


--------------------------------------------------------------------------------
/benchmark/python_data/average.txt:
--------------------------------------------------------------------------------
1 | CPU AVG: 1.1428093645484945
2 | RAM AVG: 12.899331103678993


--------------------------------------------------------------------------------
/benchmark/python_data/cpu.txt:
--------------------------------------------------------------------------------
  1 | 0.2
  2 | 0.5
  3 | 0.2
  4 | 0.2
  5 | 0.2
  6 | 0.3
  7 | 1.0
  8 | 0.3
  9 | 0.3
 10 | 0.2
 11 | 0.5
 12 | 1.0
 13 | 0.5
 14 | 0.3
 15 | 0.5
 16 | 0.3
 17 | 0.5
 18 | 0.5
 19 | 1.5
 20 | 0.3
 21 | 1.3
 22 | 0.7
 23 | 1.3
 24 | 1.2
 25 | 1.0
 26 | 1.2
 27 | 1.3
 28 | 1.2
 29 | 0.8
 30 | 1.2
 31 | 1.2
 32 | 1.0
 33 | 1.0
 34 | 1.3
 35 | 1.0
 36 | 0.8
 37 | 1.7
 38 | 2.0
 39 | 1.0
 40 | 1.2
 41 | 1.5
 42 | 1.3
 43 | 1.0
 44 | 1.2
 45 | 1.2
 46 | 1.0
 47 | 1.5
 48 | 1.2
 49 | 1.0
 50 | 1.0
 51 | 1.0
 52 | 1.5
 53 | 1.0
 54 | 1.5
 55 | 1.0
 56 | 1.0
 57 | 1.2
 58 | 1.2
 59 | 1.0
 60 | 1.0
 61 | 1.2
 62 | 1.3
 63 | 1.0
 64 | 1.0
 65 | 0.8
 66 | 1.2
 67 | 1.3
 68 | 1.0
 69 | 1.2
 70 | 1.2
 71 | 1.2
 72 | 1.5
 73 | 1.0
 74 | 1.5
 75 | 1.2
 76 | 1.2
 77 | 1.5
 78 | 1.0
 79 | 1.2
 80 | 0.8
 81 | 1.2
 82 | 1.7
 83 | 1.0
 84 | 1.0
 85 | 1.0
 86 | 1.5
 87 | 1.0
 88 | 1.2
 89 | 1.0
 90 | 1.2
 91 | 1.2
 92 | 1.2
 93 | 1.2
 94 | 1.0
 95 | 1.0
 96 | 1.2
 97 | 1.3
 98 | 1.0
 99 | 0.8
100 | 1.5
101 | 1.2
102 | 1.5
103 | 1.5
104 | 1.2
105 | 1.3
106 | 1.0
107 | 1.7
108 | 0.8
109 | 1.2
110 | 1.2
111 | 1.0
112 | 1.8
113 | 1.0
114 | 1.2
115 | 1.0
116 | 1.2
117 | 1.7
118 | 0.8
119 | 1.5
120 | 0.8
121 | 0.8
122 | 1.5
123 | 1.2
124 | 1.0
125 | 1.2
126 | 1.0
127 | 1.7
128 | 1.2
129 | 1.0
130 | 1.0
131 | 1.0
132 | 1.3
133 | 1.5
134 | 1.0
135 | 1.0
136 | 1.2
137 | 1.5
138 | 1.0
139 | 1.2
140 | 0.8
141 | 0.8
142 | 1.5
143 | 1.0
144 | 1.5
145 | 1.0
146 | 1.0
147 | 1.5
148 | 0.8
149 | 1.2
150 | 1.0
151 | 1.0
152 | 1.5
153 | 1.0
154 | 1.5
155 | 0.8
156 | 1.2
157 | 1.5
158 | 1.0
159 | 1.0
160 | 1.2
161 | 1.2
162 | 1.3
163 | 1.5
164 | 1.0
165 | 1.2
166 | 1.0
167 | 1.2
168 | 1.2
169 | 1.0
170 | 1.5
171 | 0.8
172 | 2.0
173 | 1.0
174 | 1.0
175 | 1.2
176 | 1.2
177 | 1.5
178 | 1.2
179 | 1.3
180 | 1.3
181 | 1.0
182 | 1.5
183 | 1.0
184 | 1.5
185 | 1.2
186 | 1.0
187 | 1.7
188 | 1.0
189 | 1.0
190 | 1.5
191 | 1.2
192 | 1.3
193 | 1.0
194 | 1.2
195 | 0.8
196 | 1.2
197 | 1.7
198 | 1.0
199 | 1.2
200 | 1.2
201 | 0.8
202 | 1.0
203 | 1.5
204 | 1.0
205 | 1.0
206 | 1.0
207 | 1.7
208 | 1.3
209 | 1.0
210 | 1.0
211 | 1.2
212 | 1.5
213 | 1.2
214 | 1.5
215 | 1.2
216 | 1.0
217 | 1.5
218 | 1.3
219 | 1.0
220 | 1.0
221 | 1.0
222 | 1.5
223 | 1.0
224 | 1.2
225 | 1.0
226 | 1.0
227 | 1.5
228 | 1.2
229 | 1.2
230 | 1.0
231 | 1.0
232 | 2.2
233 | 1.0
234 | 1.2
235 | 1.2
236 | 1.0
237 | 1.5
238 | 1.0
239 | 0.8
240 | 1.5
241 | 1.0
242 | 1.5
243 | 0.8
244 | 1.2
245 | 1.0
246 | 1.0
247 | 1.5
248 | 1.2
249 | 1.2
250 | 1.0
251 | 1.3
252 | 1.5
253 | 1.2
254 | 1.2
255 | 1.3
256 | 0.8
257 | 1.5
258 | 1.5
259 | 1.0
260 | 1.2
261 | 1.0
262 | 2.0
263 | 0.8
264 | 1.0
265 | 1.5
266 | 1.0
267 | 1.5
268 | 1.0
269 | 1.0
270 | 1.2
271 | 1.0
272 | 1.3
273 | 1.0
274 | 1.2
275 | 2.5
276 | 1.0
277 | 1.7
278 | 1.2
279 | 1.3
280 | 1.0
281 | 1.2
282 | 1.3
283 | 1.0
284 | 1.3
285 | 1.2
286 | 1.5
287 | 1.5
288 | 1.2
289 | 1.0
290 | 0.8
291 | 1.5
292 | 1.3
293 | 0.8
294 | 1.5
295 | 1.3
296 | 0.8
297 | 1.7
298 | 1.0
299 | 1.0
300 | 


--------------------------------------------------------------------------------
/benchmark/python_data/python_data.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/0xHaru/Raspberry-Pi-Fan-Controller/ec322d93c5858077d61298bd8be9585bda5f212d/benchmark/python_data/python_data.png


--------------------------------------------------------------------------------
/benchmark/python_data/ram.txt:
--------------------------------------------------------------------------------
  1 | 12.8
  2 | 12.8
  3 | 12.9
  4 | 12.9
  5 | 12.9
  6 | 12.9
  7 | 12.9
  8 | 12.9
  9 | 12.9
 10 | 12.9
 11 | 12.9
 12 | 12.9
 13 | 12.9
 14 | 12.9
 15 | 12.9
 16 | 12.9
 17 | 12.9
 18 | 12.9
 19 | 12.9
 20 | 12.9
 21 | 12.9
 22 | 12.9
 23 | 12.9
 24 | 12.9
 25 | 12.9
 26 | 12.9
 27 | 12.9
 28 | 12.9
 29 | 12.9
 30 | 12.9
 31 | 12.9
 32 | 12.9
 33 | 12.9
 34 | 12.9
 35 | 12.9
 36 | 12.9
 37 | 12.9
 38 | 12.9
 39 | 12.9
 40 | 12.9
 41 | 12.9
 42 | 12.9
 43 | 12.9
 44 | 12.9
 45 | 12.9
 46 | 12.9
 47 | 12.9
 48 | 12.9
 49 | 12.9
 50 | 12.9
 51 | 12.9
 52 | 12.9
 53 | 12.9
 54 | 12.9
 55 | 12.9
 56 | 12.9
 57 | 12.9
 58 | 12.9
 59 | 12.9
 60 | 12.9
 61 | 12.9
 62 | 12.9
 63 | 12.9
 64 | 12.9
 65 | 12.9
 66 | 12.9
 67 | 12.9
 68 | 12.9
 69 | 12.9
 70 | 12.9
 71 | 12.9
 72 | 12.9
 73 | 12.9
 74 | 12.9
 75 | 12.9
 76 | 12.9
 77 | 12.9
 78 | 12.9
 79 | 12.9
 80 | 12.9
 81 | 12.9
 82 | 12.9
 83 | 12.9
 84 | 12.9
 85 | 12.9
 86 | 12.9
 87 | 12.9
 88 | 12.9
 89 | 12.9
 90 | 12.9
 91 | 12.9
 92 | 12.9
 93 | 12.9
 94 | 12.9
 95 | 12.9
 96 | 12.9
 97 | 12.9
 98 | 12.9
 99 | 12.9
100 | 12.9
101 | 12.9
102 | 12.9
103 | 12.9
104 | 12.9
105 | 12.9
106 | 12.9
107 | 12.9
108 | 12.9
109 | 12.9
110 | 12.9
111 | 12.9
112 | 12.9
113 | 12.9
114 | 12.9
115 | 12.9
116 | 12.9
117 | 12.9
118 | 12.9
119 | 12.9
120 | 12.9
121 | 12.9
122 | 12.9
123 | 12.9
124 | 12.9
125 | 12.9
126 | 12.9
127 | 12.9
128 | 12.9
129 | 12.9
130 | 12.9
131 | 12.9
132 | 12.9
133 | 12.9
134 | 12.9
135 | 12.9
136 | 12.9
137 | 12.9
138 | 12.9
139 | 12.9
140 | 12.9
141 | 12.9
142 | 12.9
143 | 12.9
144 | 12.9
145 | 12.9
146 | 12.9
147 | 12.9
148 | 12.9
149 | 12.9
150 | 12.9
151 | 12.9
152 | 12.9
153 | 12.9
154 | 12.9
155 | 12.9
156 | 12.9
157 | 12.9
158 | 12.9
159 | 12.9
160 | 12.9
161 | 12.9
162 | 12.9
163 | 12.9
164 | 12.9
165 | 12.9
166 | 12.9
167 | 12.9
168 | 12.9
169 | 12.9
170 | 12.9
171 | 12.9
172 | 12.9
173 | 12.9
174 | 12.9
175 | 12.9
176 | 12.9
177 | 12.9
178 | 12.9
179 | 12.9
180 | 12.9
181 | 12.9
182 | 12.9
183 | 12.9
184 | 12.9
185 | 12.9
186 | 12.9
187 | 12.9
188 | 12.9
189 | 12.9
190 | 12.9
191 | 12.9
192 | 12.9
193 | 12.9
194 | 12.9
195 | 12.9
196 | 12.9
197 | 12.9
198 | 12.9
199 | 12.9
200 | 12.9
201 | 12.9
202 | 12.9
203 | 12.9
204 | 12.9
205 | 12.9
206 | 12.9
207 | 12.9
208 | 12.9
209 | 12.9
210 | 12.9
211 | 12.9
212 | 12.9
213 | 12.9
214 | 12.9
215 | 12.9
216 | 12.9
217 | 12.9
218 | 12.9
219 | 12.9
220 | 12.9
221 | 12.9
222 | 12.9
223 | 12.9
224 | 12.9
225 | 12.9
226 | 12.9
227 | 12.9
228 | 12.9
229 | 12.9
230 | 12.9
231 | 12.9
232 | 12.9
233 | 12.9
234 | 12.9
235 | 12.9
236 | 12.9
237 | 12.9
238 | 12.9
239 | 12.9
240 | 12.9
241 | 12.9
242 | 12.9
243 | 12.9
244 | 12.9
245 | 12.9
246 | 12.9
247 | 12.9
248 | 12.9
249 | 12.9
250 | 12.9
251 | 12.9
252 | 12.9
253 | 12.9
254 | 12.9
255 | 12.9
256 | 12.9
257 | 12.9
258 | 12.9
259 | 12.9
260 | 12.9
261 | 12.9
262 | 12.9
263 | 12.9
264 | 12.9
265 | 12.9
266 | 12.9
267 | 12.9
268 | 12.9
269 | 12.9
270 | 12.9
271 | 12.9
272 | 12.9
273 | 12.9
274 | 12.9
275 | 12.9
276 | 12.9
277 | 12.9
278 | 12.9
279 | 12.9
280 | 12.9
281 | 12.9
282 | 12.9
283 | 12.9
284 | 12.9
285 | 12.9
286 | 12.9
287 | 12.9
288 | 12.9
289 | 12.9
290 | 12.9
291 | 12.9
292 | 12.9
293 | 12.9
294 | 12.9
295 | 12.9
296 | 12.9
297 | 12.9
298 | 12.9
299 | 12.9
300 | 


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/benchmark/python_data/time.txt:
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299 | 14/12/2020 03:31:09
300 | 


--------------------------------------------------------------------------------
/fan.py:
--------------------------------------------------------------------------------
 1 | #!/usr/bin/env python3
 2 | 
 3 | import argparse
 4 | import configparser
 5 | import os
 6 | from datetime import datetime
 7 | from time import sleep
 8 | 
 9 | from gpiozero import OutputDevice
10 | 
11 | CONFIG_FILE = os.path.expanduser("~/.config/fan/config.conf")
12 | 
13 | threshold = 45
14 | pin = 12
15 | sleep_interval = 5
16 | 
17 | if os.path.exists(CONFIG_FILE):
18 |     config = configparser.ConfigParser()
19 |     config.read(CONFIG_FILE)
20 | 
21 |     threshold = int(config["settings"]["thresh"])
22 |     pin = int(config["settings"]["pin"])
23 |     sleep_interval = int(config["settings"]["sleep"])
24 | 
25 | parser = argparse.ArgumentParser(description="Temperature based RPI fan controller.")
26 | parser.add_argument(
27 |     "-t", "--thresh", type=int, help="set the threshold temperature", nargs=1
28 | )
29 | parser.add_argument("-p", "--pin", type=int, help="set the GPIO pin", nargs=1)
30 | parser.add_argument("-s", "--sleep", type=int, help="set the sleep interval", nargs=1)
31 | 
32 | args = parser.parse_args()
33 | 
34 | if args:
35 |     if args.thresh:
36 |         threshold = int(args.thresh)
37 | 
38 |     if args.pin:
39 |         pin = int(args.pin)
40 | 
41 |     if args.sleep:
42 |         sleep_interval = int(args.sleep)
43 | 
44 | fan = OutputDevice(pin)
45 | print(f"GPIO pin: {pin}")
46 | 
47 | flag = 0
48 | 
49 | while True:
50 |     temp_data = os.popen("vcgencmd measure_temp").readline()
51 |     temperature = int(temp_data[5:-5])
52 | 
53 |     if not flag and temperature >= threshold:
54 |         fan.on()
55 |         flag = 1
56 |         print(datetime.now().strftime("%d-%b-%Y %H:%M:%S") + " - ON")
57 |     elif flag and temperature < threshold:
58 |         fan.off()
59 |         flag = 0
60 |         print(datetime.now().strftime("%d-%b-%Y %H:%M:%S") + " - OFF")
61 | 
62 |     sleep(sleep_interval)
63 | 


--------------------------------------------------------------------------------
/fan.sh:
--------------------------------------------------------------------------------
 1 | #!/usr/bin/env bash
 2 | 
 3 | GPIO_PATH="/sys/class/gpio"
 4 | CONFIG_FILE="$HOME/.config/fan/config.conf"
 5 | 
 6 | threshold=45
 7 | pin=12
 8 | sleep_interval=5
 9 | 
10 | # Ctrl+c handler
11 | trap shutdown INT
12 | 
13 | # Invoked on Ctrl+c (SIGINT)
14 | shutdown() {
15 |     printf "0" >"$GPIO_PATH/gpio$pin/value"
16 |     exit 0
17 | }
18 | 
19 | usage() {
20 |     printf "usage: fan [-h] [-t THRESH] [-p PIN]\n"
21 |     echo "-t THRESH, --thresh THRESH    set the threshold temperature\n"
22 |     echo "-p PIN,    --pin PIN          set the GPIO pin\n"
23 |     echo "-s SLEEP,  --sleep SLEEP      set the sleep interval\n"
24 | }
25 | 
26 | [ -f "$CONFIG_FILE" ] && {
27 |     threshold=$(sed -n "s/thresh=//p" "$CONFIG_FILE")
28 |     pin=$(sed -n "s/pin=//p" "$CONFIG_FILE")
29 |     sleep_interval=$(sed -n "s/sleep=//p" "$CONFIG_FILE")
30 | }
31 | 
32 | while [ "$#" -gt 0 ]; do
33 |     key="$1"
34 | 
35 |     case "$key" in
36 |     -h | --help)
37 |         usage
38 |         exit 0
39 |         ;;
40 |     -t | --thresh)
41 |         threshold="$2"
42 |         shift
43 |         ;;
44 |     -p | --pin)
45 |         pin="$2"
46 |         shift
47 |         ;;
48 |     -s | --sleep)
49 |         sleep_interval="$2"
50 |         shift
51 |         ;;
52 |     *)
53 |         printf "Unknown parameter \"%s\"\n" "$key"
54 |         usage
55 |         exit 1
56 |         ;;
57 |     esac
58 |     shift
59 | done
60 | 
61 | # Export pin if not already exported
62 | if [ ! -e "$GPIO_PATH/gpio$pin" ]; then
63 |     printf "%s" "$pin" >"$GPIO_PATH/export"
64 | fi
65 | 
66 | # Set pin as an output
67 | printf "out" >"$GPIO_PATH/gpio$pin/direction"
68 | printf "GPIO pin: %s\n" "$pin"
69 | 
70 | flag=0
71 | 
72 | while true; do
73 |     temp=$(vcgencmd measure_temp)
74 |     temp=${temp#*=}
75 |     temp=${temp%.*}
76 | 
77 |     if [ "$flag" -eq "0" ] && [ "$temp" -ge "$threshold" ]; then
78 |         printf "%(%d-%b-%Y %H:%M:%S)T - ON\n" -1
79 |         printf "1" >"$GPIO_PATH/gpio$pin/value"
80 |         flag=1
81 |     elif [ "$flag" -eq "1" ] && [ "$temp" -lt "$threshold" ]; then
82 |         printf "%(%d-%b-%Y %H:%M:%S)T - OFF\n" -1
83 |         printf "0" >"$GPIO_PATH/gpio$pin/value"
84 |         flag=0
85 |     fi
86 | 
87 |     sleep "$sleep_interval"
88 | done
89 | 


--------------------------------------------------------------------------------
/install.sh:
--------------------------------------------------------------------------------
  1 | #!/bin/sh
  2 | 
  3 | # This script should be run via wget:
  4 | #   sh -c "$(wget -qO- https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/install.sh)"
  5 | 
  6 | CONFIG_DIR="$HOME/.config/fan"
  7 | BIN_DIR="$HOME/.local/bin"
  8 | 
  9 | # Colors
 10 | NC="\033[0m"
 11 | YELLOW="\033[1;33m"
 12 | GREEN="\033[1;32m"
 13 | BLUE="\033[1;34m"
 14 | RED="\033[1;31m"
 15 | MAGENTA="\033[1;35m"
 16 | 
 17 | check_reply() {
 18 |     [ "$1" = "y" ] || [ "$1" = "Y" ] || [ "$1" = "yes" ] || [ "$1" = "Yes" ] || [ "$1" = "YES" ]
 19 | }
 20 | 
 21 | # Add a cronjob to $USER crontab
 22 | cronjob() {
 23 |     [ "$1" = "sh" ] && {
 24 |         sudo su <<HERE
 25 | echo "@reboot sudo $BIN_DIR/$2 >/dev/null 2>&1 || touch $HOME/Desktop/AUTOSTART_FAILED" >> /var/spool/cron/crontabs/$USER
 26 | HERE
 27 |     } || {
 28 |         sudo su <<HERE
 29 | echo "@reboot $BIN_DIR/$2 >/dev/null 2>&1 || touch $HOME/Desktop/AUTOSTART_FAILED" >> /var/spool/cron/crontabs/$USER
 30 | HERE
 31 |     }
 32 | }
 33 | 
 34 | # Create ~/.local/bin
 35 | [ ! -d "$BIN_DIR" ] && mkdir "$BIN_DIR"
 36 | 
 37 | # Menu
 38 | printf "Install:\n\t1) Python script\n\t2) Bash script\n\t3) Both\n\nEnter you choice: "
 39 | read -r REPLY
 40 | 
 41 | case "$REPLY" in
 42 | 1)
 43 |     [ ! -f "$BIN_DIR/fan" ] && {
 44 |         wget -qO "$BIN_DIR/fan" https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/fan.py
 45 |         chmod +x "$BIN_DIR/fan"
 46 |         choice=1
 47 |         printf "\n${GREEN}%s/fan${NC} has been successfully created.\n" "$BIN_DIR"
 48 |     } || {
 49 |         printf "\n${RED}%s/fan${NC} already exists.\n" "$BIN_DIR"
 50 |         exit 1
 51 |     }
 52 |     ;;
 53 | 2)
 54 |     [ ! -f "$BIN_DIR/fan" ] && {
 55 |         wget -qO "$BIN_DIR/fan" https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/fan.sh
 56 |         chmod +x "$BIN_DIR/fan"
 57 |         choice=2
 58 |         printf "\n${GREEN}%s/fan${NC} has been successfully created.\n" "$BIN_DIR"
 59 |     } || {
 60 |         printf "\n${RED}%s/fan${NC} already exists.\n" "$BIN_DIR"
 61 |         exit 1
 62 |     }
 63 |     ;;
 64 | 
 65 | 3)
 66 |     [ ! -f "$BIN_DIR/fan" ] && [ ! -f "$BIN_DIR/fan-py" ] && [ ! -f "$BIN_DIR/fan-sh" ] && {
 67 |         wget -qO "$BIN_DIR/fan-py" https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/fan.py
 68 |         wget -qO "$BIN_DIR/fan-sh" https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/fan.sh
 69 | 
 70 |         chmod +x "$BIN_DIR/fan-py"
 71 |         chmod +x "$BIN_DIR/fan-sh"
 72 | 
 73 |         choice=3
 74 |         printf "\n${GREEN}%s/fan-py${NC} has been successfully created.\n\
 75 | ${GREEN}%s/fan-sh${NC} has been successfully created.\n" "$BIN_DIR" "$BIN_DIR"
 76 |     } || {
 77 |         printf "\n${RED}%s/fan${NC} or ${RED}%s/fan-py${NC} or ${RED}%s/fan-sh${NC} already exists.\n" "$BIN_DIR" "$BIN_DIR" "$BIN_DIR"
 78 |         exit 1
 79 |     }
 80 |     ;;
 81 | 
 82 | *)
 83 |     printf "\nUnknown option: \"%s\"\n" "$REPLY"
 84 |     exit 1
 85 |     ;;
 86 | esac
 87 | 
 88 | # Create ~/.config/fan/config.conf
 89 | [ ! -d "$CONFIG_DIR" ] && mkdir "$CONFIG_DIR"
 90 | 
 91 | [ ! -f "$CONFIG_DIR/config.conf" ] && touch "$CONFIG_DIR/config.conf" &&
 92 |     printf "[settings]\nthresh=45\npin=12\nsleep=5" >"$CONFIG_DIR/config.conf" &&
 93 |     printf "${GREEN}%s/config.conf${NC} has been successfully created.\n" "$CONFIG_DIR"
 94 | 
 95 | # Autostart
 96 | printf "\nTo autostart a script the following line must be added to /var/spool/cron/crontabs/%s:\
 97 | \n\n${MAGENTA}@reboot %s/.local/bin/fan${NC}\
 98 | \n\nTo do that the \"sudo\" and \"sudo su\" commands have to be used.\
 99 | \n\nDo you want to autostart the script? (y/N) " "$USER" "$HOME"
100 | read -r REPLY
101 | 
102 | if check_reply "$REPLY"; then
103 |     sudo grep "fan" "/var/spool/cron/crontabs/$USER" && printf "Skipping, the cronjob already exists." || {
104 |         case "$choice" in
105 |         1)
106 |             cronjob "py" "fan"
107 |             printf "\nCronjob successfully created.\n"
108 |             ;;
109 |         2)
110 |             cronjob "sh" "fan"
111 |             printf "\nCronjob successfully created. To inspect your crontab run ${MAGENTA}crontab -e${NC}\n"
112 |             ;;
113 |         3)
114 |             printf "\nWhich script do you want to autostart?\n1) Python\n2) Bash\n\nEnter your choice: "
115 |             read -r REPLY
116 | 
117 |             case "$REPLY" in
118 |             1)
119 |                 cronjob "py" "fan-py"
120 |                 printf "\nCronjob successfully created. To inspect your crontab run ${MAGENTA}crontab -e${NC}\n"
121 |                 ;;
122 |             2)
123 |                 cronjob "sh" "fan-sh"
124 |                 printf "\nCronjob successfully created. To inspect your crontab run ${MAGENTA}crontab -e${NC}\n"
125 |                 ;;
126 |             *)
127 |                 printf "\nUnknown option: \"%s\"\n" "$REPLY"
128 |                 exit 1
129 |                 ;;
130 |             esac
131 |             ;;
132 |         *)
133 |             printf "\nUnknown option: \"%s\"\n" "$REPLY"
134 |             exit 1
135 |             ;;
136 |         esac
137 |     }
138 | fi
139 | 
140 | # Brief explanation
141 | printf "\nIf you selected 1) or 2) you can run the script with \"fan\".\n\
142 | If you selected 3) you can run the script with \"fan-py\" or \"fan-sh\".\n\
143 | \nThe config file is located here: ${GREEN}%s/config.conf${NC}\n\
144 | The script is located here: ${GREEN}%s${NC}\n\
145 | \nUse the -h flag to learn how to use the script.\n" "$CONFIG_DIR" "$BIN_DIR"
146 | 
147 | # Tips
148 | printf "\n${YELLOW}TIPS:${NC}\n\n\
149 | - If you want to run the script as a daemon add this alias to your .bashrc, .zshrc, etc.:\
150 | \n\n${MAGENTA}  alias fan-d=\"nohup fan >/dev/null 2>&1 &\"${NC}\n\n\
151 |   Make sure to change \"fan\" to \"fan-py\" or \"fan-sh\" if you installed both scripts.\n\n"
152 | 
153 | # Check $PATH
154 | echo "$PATH" | grep -q "$HOME/.local/bin" ||
155 |     printf "${BLUE}IMPORTANT:${NC}\nAdd this line to your .bashrc, .zshrc, etc.:\
156 |     \n\n${MAGENTA}export PATH=\"\$HOME/.local/bin:\$PATH\"${NC}\n\n"
157 | 


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/media/GPIO-Pinout-Diagram.png:
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https://raw.githubusercontent.com/0xHaru/Raspberry-Pi-Fan-Controller/ec322d93c5858077d61298bd8be9585bda5f212d/media/GPIO-Pinout-Diagram.png


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/media/PN2222A.jpg:
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https://raw.githubusercontent.com/0xHaru/Raspberry-Pi-Fan-Controller/ec322d93c5858077d61298bd8be9585bda5f212d/media/PN2222A.jpg


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/media/circuit.png:
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https://raw.githubusercontent.com/0xHaru/Raspberry-Pi-Fan-Controller/ec322d93c5858077d61298bd8be9585bda5f212d/media/circuit.png


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/uninstall.sh:
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 1 | #!/bin/sh
 2 | 
 3 | # This script should be run via wget:
 4 | #   sh -c "$(wget -qO- https://raw.githubusercontent.com/0xharu/raspberry-pi-fan-controller/master/uninstall.sh)"
 5 | 
 6 | CONFIG_DIR="$HOME/.config/fan"
 7 | BIN_DIR="$HOME/.local/bin"
 8 | 
 9 | # Colors
10 | NC="\033[0m"
11 | YELLOW="\033[1;33m"
12 | 
13 | check_reply() {
14 |     [ "$1" = "n" ] || [ "$1" = "N" ] || [ "$1" = "no" ] || [ "$1" = "No" ] || [ "$1" = "NO" ]
15 | }
16 | 
17 | remove_cronjob() {
18 |     sudo su <<HERE
19 | grep -q "/Desktop/AUTOSTART_FAILED" "/var/spool/cron/crontabs/$USER" &&
20 | sed -i "/\/Desktop\/AUTOSTART_FAILED/d" "/var/spool/cron/crontabs/$USER"
21 | HERE
22 | }
23 | 
24 | printf "Do you want to uninstall the fan controller? (Y/n) "
25 | read -r REPLY
26 | 
27 | check_reply "$REPLY" && exit 0
28 | 
29 | [ -f "$BIN_DIR/fan" ] && rm "$BIN_DIR/fan" &&
30 |     printf "\n${YELLOW}%s/fan${NC} successfully removed\n" "$BIN_DIR" || {
31 | 
32 |     [ -f "$BIN_DIR/fan-py" ] && rm "$BIN_DIR/fan-py" && printf "\n${YELLOW}%s/fan-py${NC} successfully removed." "$BIN_DIR"
33 |     [ -f "$BIN_DIR/fan-sh" ] && rm "$BIN_DIR/fan-sh" && printf "\n${YELLOW}%s/fan-sh${NC} successfully removed.\n" "$BIN_DIR"
34 | }
35 | 
36 | [ -d "$CONFIG_DIR" ] && rm -r "$CONFIG_DIR" && printf "\n${YELLOW}%s${NC} successfully removed.\n" "$CONFIG_DIR"
37 | 
38 | printf "\nTo do the following operation the \"sudo\" and \"sudo su\" commands have to be used.
39 | Do you want to remove the cronjob? (y\N) "
40 | 
41 | read -r REPLY
42 | 
43 | [ "$REPLY" = "y" ] && remove_cronjob && printf "\nCronjob successfully removed.\n\n" || printf "\nSkipping.\n\n"
44 | 


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