├── STL ├── Box.stl ├── Lid.stl ├── Segment.stl ├── Cover Large.stl ├── Cover Small.stl ├── Holder Large.stl ├── Holder Small.stl ├── Segment complete.stl ├── Segment thicker wall.stl └── Segment complete thicker wall.stl ├── README.md ├── Round-LED-Clock.ino └── LICENSE /STL/Box.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Box.stl -------------------------------------------------------------------------------- /STL/Lid.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Lid.stl -------------------------------------------------------------------------------- /STL/Segment.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Segment.stl -------------------------------------------------------------------------------- /STL/Cover Large.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Cover Large.stl -------------------------------------------------------------------------------- /STL/Cover Small.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Cover Small.stl -------------------------------------------------------------------------------- /STL/Holder Large.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Holder Large.stl -------------------------------------------------------------------------------- /STL/Holder Small.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Holder Small.stl -------------------------------------------------------------------------------- /STL/Segment complete.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Segment complete.stl -------------------------------------------------------------------------------- /STL/Segment thicker wall.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Segment thicker wall.stl -------------------------------------------------------------------------------- /STL/Segment complete thicker wall.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonvandenbeukel/Round-LED-Clock/HEAD/STL/Segment complete thicker wall.stl -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Wi-Fi Connected Round-LED-Clock 2 | 3 | ### Schema 4 | 5 | Connect 5 volts from the micro usb breakout board to the 5 volt pin on the ESP module. 6 | Connect Ground from the micro usb breakout board to the Ground on the ESP module. 7 | Connect 5 volts from the usb breakout board to 5 volt on the LED strip. 8 | Connect Ground from the usb breakout board to Ground on the LED strip. 9 | Connect pin D6 from the ESP module to the Data line on the LED strip. 10 | 11 | ### Parts list (just Google on the name to find a link where to buy) 12 | 13 | | Components | 14 | | ------------- | 15 | | WeMOS D1 Mini ESP module | 16 | | LED strip WS2812B 60 RGB LED's 1 meter | 17 | | Black PLA filament | 18 | | White PLA filament | 19 | | 4x M3 screws | 20 | | 5 Volt power adapter | 21 | | Micro USB cable | 22 | | Jumper wires | 23 | | Mini breadboard | 24 | | Micro USB breakout board | 25 | 26 | 27 | ### YouTube video 28 | 29 | Click to view: LED Clock 31 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /Round-LED-Clock.ino: -------------------------------------------------------------------------------- 1 | /* 2 | WiFi connected round LED Clock. It gets NTP time from the internet and translates to a 60 RGB WS2812B LED strip. 3 | 4 | If you have another orientation where the wire comes out then change the methods getLEDHour and getLEDMinuteOrSecond 5 | 6 | Happy programming, Leon van den Beukel, march 2019 7 | 8 | --- 9 | NTP and summer time code based on: 10 | https://tttapa.github.io/ESP8266/Chap15%20-%20NTP.html 11 | https://github.com/SensorsIot/NTPtimeESP/blob/master/NTPtimeESP.cpp (for US summer time support check this link) 12 | 13 | */ 14 | 15 | #include 16 | #include 17 | #include 18 | #include 19 | #define DEBUG_ON 20 | 21 | const char ssid[] = "*"; // Your network SSID name here 22 | const char pass[] = "*"; // Your network password here 23 | unsigned long timeZone = 1.0; // Change this value to your local timezone (in my case +1 for Amsterdam) 24 | const char* NTPServerName = "nl.pool.ntp.org"; // Change this to a ntpserver nearby, check this site for a list of servers: https://www.pool.ntp.org/en/ 25 | unsigned long intervalNTP = 24 * 60 * 60000; // Request a new NTP time every 24 hours 26 | 27 | // Change the colors here if you want. 28 | // Check for reference: https://github.com/FastLED/FastLED/wiki/Pixel-reference#predefined-colors-list 29 | // You can also set the colors with RGB values, for example red: 30 | // CRGB colorHour = CRGB(255, 0, 0); 31 | CRGB colorHour = CRGB::Red; 32 | CRGB colorMinute = CRGB::Green; 33 | CRGB colorSecond = CRGB::Blue; 34 | CRGB colorHourMinute = CRGB::Yellow; 35 | CRGB colorHourSecond = CRGB::Magenta; 36 | CRGB colorMinuteSecond = CRGB::Cyan; 37 | CRGB colorAll = CRGB::White; 38 | 39 | // Set this to true if you want the hour LED to move between hours (if set to false the hour LED will only move every hour) 40 | #define USE_LED_MOVE_BETWEEN_HOURS true 41 | 42 | // Cutoff times for day / night brightness. 43 | #define USE_NIGHTCUTOFF false // Enable/Disable night brightness 44 | #define MORNINGCUTOFF 8 // When does daybrightness begin? 8am 45 | #define NIGHTCUTOFF 20 // When does nightbrightness begin? 10pm 46 | #define NIGHTBRIGHTNESS 20 // Brightness level from 0 (off) to 255 (full brightness) 47 | 48 | ESP8266WiFiMulti wifiMulti; 49 | WiFiUDP UDP; 50 | IPAddress timeServerIP; 51 | const int NTP_PACKET_SIZE = 48; 52 | byte NTPBuffer[NTP_PACKET_SIZE]; 53 | 54 | unsigned long prevNTP = 0; 55 | unsigned long lastNTPResponse = millis(); 56 | uint32_t timeUNIX = 0; 57 | unsigned long prevActualTime = 0; 58 | 59 | #define LEAP_YEAR(Y) ( ((1970+Y)>0) && !((1970+Y)%4) && ( ((1970+Y)%100) || !((1970+Y)%400) ) ) 60 | static const uint8_t monthDays[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; 61 | 62 | #define NUM_LEDS 60 63 | #define DATA_PIN D6 64 | CRGB LEDs[NUM_LEDS]; 65 | 66 | struct DateTime { 67 | int year; 68 | byte month; 69 | byte day; 70 | byte hour; 71 | byte minute; 72 | byte second; 73 | byte dayofweek; 74 | }; 75 | 76 | DateTime currentDateTime; 77 | 78 | void setup() { 79 | 80 | FastLED.delay(3000); 81 | FastLED.addLeds(LEDs, NUM_LEDS); 82 | 83 | Serial.begin(115200); 84 | delay(10); 85 | Serial.println("\r\n"); 86 | 87 | startWiFi(); 88 | startUDP(); 89 | 90 | if(!WiFi.hostByName(NTPServerName, timeServerIP)) { 91 | Serial.println("DNS lookup failed. Rebooting."); 92 | Serial.flush(); 93 | ESP.reset(); 94 | } 95 | Serial.print("Time server IP:\t"); 96 | Serial.println(timeServerIP); 97 | 98 | Serial.println("\r\nSending NTP request ..."); 99 | sendNTPpacket(timeServerIP); 100 | } 101 | 102 | void loop() { 103 | unsigned long currentMillis = millis(); 104 | 105 | if (currentMillis - prevNTP > intervalNTP) { // If a minute has passed since last NTP request 106 | prevNTP = currentMillis; 107 | Serial.println("\r\nSending NTP request ..."); 108 | sendNTPpacket(timeServerIP); // Send an NTP request 109 | } 110 | 111 | uint32_t time = getTime(); // Check if an NTP response has arrived and get the (UNIX) time 112 | if (time) { // If a new timestamp has been received 113 | timeUNIX = time; 114 | Serial.print("NTP response:\t"); 115 | Serial.println(timeUNIX); 116 | lastNTPResponse = currentMillis; 117 | } else if ((currentMillis - lastNTPResponse) > 3600000) { 118 | Serial.println("More than 1 hour since last NTP response. Rebooting."); 119 | Serial.flush(); 120 | ESP.reset(); 121 | } 122 | 123 | uint32_t actualTime = timeUNIX + (currentMillis - lastNTPResponse)/1000; 124 | if (actualTime != prevActualTime && timeUNIX != 0) { // If a second has passed since last update 125 | prevActualTime = actualTime; 126 | convertTime(actualTime); 127 | 128 | for (int i=0; i 12) 165 | hours = hours - 12; 166 | 167 | byte hourLED; 168 | if (hours <= 5) 169 | hourLED = (hours * 5) + 30; 170 | else 171 | hourLED = (hours * 5) - 30; 172 | 173 | if (USE_LED_MOVE_BETWEEN_HOURS == true) { 174 | if (minutes >= 12 && minutes < 24) { 175 | hourLED += 1; 176 | } else if (minutes >= 24 && minutes < 36) { 177 | hourLED += 2; 178 | } else if (minutes >= 36 && minutes < 48) { 179 | hourLED += 3; 180 | } else if (minutes >= 48) { 181 | hourLED += 4; 182 | } 183 | } 184 | 185 | return hourLED; 186 | } 187 | 188 | byte getLEDMinuteOrSecond(byte minuteOrSecond) { 189 | if (minuteOrSecond < 30) 190 | return minuteOrSecond + 30; 191 | else 192 | return minuteOrSecond - 30; 193 | } 194 | 195 | void startWiFi() { 196 | wifiMulti.addAP(ssid, pass); 197 | 198 | Serial.println("Connecting"); 199 | byte i = 0; 200 | while (wifiMulti.run() != WL_CONNECTED) { 201 | delay(250); 202 | Serial.print('.'); 203 | LEDs[i++] = CRGB::Green; 204 | FastLED.show(); 205 | } 206 | Serial.println("\r\n"); 207 | Serial.print("Connected to "); 208 | Serial.println(WiFi.SSID()); 209 | Serial.print("IP address:\t"); 210 | Serial.print(WiFi.localIP()); 211 | Serial.println("\r\n"); 212 | } 213 | 214 | void startUDP() { 215 | Serial.println("Starting UDP"); 216 | UDP.begin(123); // Start listening for UDP messages on port 123 217 | Serial.print("Local port:\t"); 218 | Serial.println(UDP.localPort()); 219 | Serial.println(); 220 | } 221 | 222 | uint32_t getTime() { 223 | if (UDP.parsePacket() == 0) { // If there's no response (yet) 224 | return 0; 225 | } 226 | UDP.read(NTPBuffer, NTP_PACKET_SIZE); // read the packet into the buffer 227 | // Combine the 4 timestamp bytes into one 32-bit number 228 | uint32_t NTPTime = (NTPBuffer[40] << 24) | (NTPBuffer[41] << 16) | (NTPBuffer[42] << 8) | NTPBuffer[43]; 229 | // Convert NTP time to a UNIX timestamp: 230 | // Unix time starts on Jan 1 1970. That's 2208988800 seconds in NTP time: 231 | const uint32_t seventyYears = 2208988800UL; 232 | // subtract seventy years: 233 | uint32_t UNIXTime = NTPTime - seventyYears; 234 | return UNIXTime; 235 | } 236 | 237 | void sendNTPpacket(IPAddress& address) { 238 | memset(NTPBuffer, 0, NTP_PACKET_SIZE); // set all bytes in the buffer to 0 239 | // Initialize values needed to form NTP request 240 | NTPBuffer[0] = 0b11100011; // LI, Version, Mode 241 | // send a packet requesting a timestamp: 242 | UDP.beginPacket(address, 123); // NTP requests are to port 123 243 | UDP.write(NTPBuffer, NTP_PACKET_SIZE); 244 | UDP.endPacket(); 245 | } 246 | 247 | void convertTime(uint32_t time) { 248 | // Correct time zone 249 | time += (3600 * timeZone); 250 | 251 | currentDateTime.second = time % 60; 252 | currentDateTime.minute = time / 60 % 60; 253 | currentDateTime.hour = time / 3600 % 24; 254 | time /= 60; // To minutes 255 | time /= 60; // To hours 256 | time /= 24; // To days 257 | currentDateTime.dayofweek = ((time + 4) % 7) + 1; 258 | int year = 0; 259 | int days = 0; 260 | while ((unsigned)(days += (LEAP_YEAR(year) ? 366 : 365)) <= time) { 261 | year++; 262 | } 263 | days -= LEAP_YEAR(year) ? 366 : 365; 264 | time -= days; // To days in this year, starting at 0 265 | days = 0; 266 | byte month = 0; 267 | byte monthLength = 0; 268 | for (month = 0; month < 12; month++) { 269 | if (month == 1) { // February 270 | if (LEAP_YEAR(year)) { 271 | monthLength = 29; 272 | } else { 273 | monthLength = 28; 274 | } 275 | } else { 276 | monthLength = monthDays[month]; 277 | } 278 | 279 | if (time >= monthLength) { 280 | time -= monthLength; 281 | } else { 282 | break; 283 | } 284 | } 285 | 286 | currentDateTime.day = time + 1; 287 | currentDateTime.year = year + 1970; 288 | currentDateTime.month = month + 1; 289 | 290 | // Correct European Summer time 291 | if (summerTime()) { 292 | currentDateTime.hour += 1; 293 | } 294 | 295 | #ifdef DEBUG_ON 296 | Serial.print(currentDateTime.year); 297 | Serial.print(" "); 298 | Serial.print(currentDateTime.month); 299 | Serial.print(" "); 300 | Serial.print(currentDateTime.day); 301 | Serial.print(" "); 302 | Serial.print(currentDateTime.hour); 303 | Serial.print(" "); 304 | Serial.print(currentDateTime.minute); 305 | Serial.print(" "); 306 | Serial.print(currentDateTime.second); 307 | Serial.print(" day of week: "); 308 | Serial.print(currentDateTime.dayofweek); 309 | Serial.print(" summer time: "); 310 | Serial.print(summerTime()); 311 | Serial.print(" night time: "); 312 | Serial.print(night()); 313 | Serial.println(); 314 | #endif 315 | } 316 | 317 | boolean summerTime() { 318 | 319 | if (currentDateTime.month < 3 || currentDateTime.month > 10) return false; // No summer time in Jan, Feb, Nov, Dec 320 | if (currentDateTime.month > 3 && currentDateTime.month < 10) return true; // Summer time in Apr, May, Jun, Jul, Aug, Sep 321 | if (currentDateTime.month == 3 && (currentDateTime.hour + 24 * currentDateTime.day) >= (3 + 24 * (31 - (5 * currentDateTime.year / 4 + 4) % 7)) || currentDateTime.month == 10 && (currentDateTime.hour + 24 * currentDateTime.day) < (3 + 24 * (31 - (5 * currentDateTime.year / 4 + 1) % 7))) 322 | return true; 323 | else 324 | return false; 325 | } 326 | 327 | boolean night() { 328 | 329 | if (currentDateTime.hour >= NIGHTCUTOFF && currentDateTime.hour <= MORNINGCUTOFF) 330 | return true; 331 | } 332 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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