├── LICENSE
├── README.md
├── about.html
├── action.lua
├── demostyles.html
├── done.html
├── index.html
├── init.lua
├── schematic.jpg
├── setwifi.lua
└── style.css
/LICENSE:
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/README.md:
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1 | # ESP8266 SmartButtton with NodeMCU
2 |
3 |
4 | ## Requirements
5 | * ESP8266 ESP-12 or ESP-7
6 | * USB-TTL adapter for debug/programming
7 | * 1k, 10k resistors, push button, rgb led(optional)
8 |
9 | ## Description
10 |
11 | With this code, we send a notification online (in cloud) by pressing a button.
12 |
13 | ## Instructions
14 |
15 | ### Setting up your hardware
16 |
17 | Please read this https://www.hackster.io/iboboc/smartbutton-pro-06ce5d
18 |
19 | ### Code logic explained:
20 |
21 | - set GPIO00 to HIGH (linked to CH_PD) - keep the module enabled after button push
22 | - enable RGB led and light the RED, getting into ON state
23 | - check and load if already is set up SSID name and password and URL
24 | - try to connect to Wi-Fi
25 | - start a timer and if an IP is not set in 10seconds, change the Wi-Fi mode to Access POint with the name "SmartButton" plus the unique ChipID
26 | - start a web server on IP 192.168.1.1 and a form to enter SSID name, password and URL
27 | - on submit, save to internal memmory and restart module
28 | - once connected and an IP is available, change the LED from red to BLUE (connected)
29 | - create a TCP connection and send custom URL
30 | - after sending, LED is changing color from blue to GREEN (success)
31 | - wait 3 seconds (to acknowledge the state)
32 | - close the LED (all colors)
33 | - set GPIO02 to LOW wich will set CH_PD to LOW and module is disabled
34 | - start a timer for 3 sec and reset/clear the config settings (that means that if the module is still powered on, means that button is still pushed, therefore you can reset your config and restart in Access Point mode.
35 |
36 |
37 | ### Connections
38 | - Power.
39 | - +3.3 volts to Vcc
40 | - ground
41 | - Communications.
42 | - TxD on the board to RxD on the adapter
43 | - RxD on the board to TxD on the adapter
44 | - Ground
45 | - Jumpers.
46 | - Connect Vcc to CH_PD to enable the chip
47 | - Connect GPI0 to Vcc to enable bootmode
48 | - Connect GPIO15 to GND to enable UART Download
49 | - Connect GPIO2 to Vcc to enable the ESP (applicable to ESP12/ESP7)
50 |
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/about.html:
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1 |
2 |
3 |
4 |
5 | SmartButton configuration
6 |
7 |
8 |
9 |
10 |
About Wi-Fi Smart Button
11 |
14 |
This is an ESP8266 chip based push button that can be configured to
15 | do whatever action needed.
16 |
17 |
18 |
19 |
20 |
21 |
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/action.lua:
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1 | --action.lua
2 | --URL and host come out of customurl.txt file
3 | print("Sending URL")
4 | print("URL: " .. customurl)
5 | print("Host: " .. customhost)
6 | conn = nil
7 | conn=net.createConnection(net.TCP, 0)
8 |
9 | conn:on("receive", function(conn, payload)
10 | -- show a green LED for 3 seconds before shutting down
11 | gpio.write(red,gpio.LOW)
12 | gpio.write(green,gpio.HIGH)
13 | gpio.write(blue,gpio.LOW)
14 | tmr.delay(3000000)
15 | --Close all LED lights
16 | gpio.write(red,gpio.LOW)
17 | gpio.write(green,gpio.LOW)
18 | gpio.write(blue,gpio.LOW)
19 | -- set GPIO00(3) to LOW linked to CH_PD (will shutdown the module)
20 | gpio.write(3, gpio.LOW)
21 |
22 | --If ESP is enabled after 2 seconds that means the button is still pushed!
23 | --in this case, will reset the configuration
24 | tmr.alarm(0, 2000, 1, function()
25 | print("Button is still pressed.")
26 | reset()
27 | end)
28 |
29 | end)
30 |
31 | conn:on("connection", function(conn, payload)
32 | conn:send("GET " .. customurl
33 | .." HTTP/1.1\r\n"
34 | .."Host: " .. customhost .. "\r\n"
35 | .."Accept: */*\r\n"
36 | .."User-Agent: Mozilla/4.0 (compatible; esp8266 Lua; Windows NT 5.1)\r\n"
37 | .."\r\n")
38 | print("URL request sent.")
39 | end)
40 |
41 | conn:dns(customhost,function(conn,ip)
42 | if (ip) then
43 | print("We can connect to " .. ip)
44 | conn:connect(80,ip)
45 | else
46 | reset()
47 | end
48 | end)
49 |
50 | function reset()
51 | print("Resetting Wifi..")
52 | wifi.sta.disconnect()
53 | wifi.sta.config("","")
54 | file.remove('customurl.txt')
55 | --all values are deleted, on next button press it will go into configuration mode
56 | print("Settings cleared, please restart.")
57 | end
58 |
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/demostyles.html:
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5 | CSS Form Style
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