jpraus

#include <NeoPixelBus.h>
#include <NeoPixelAnimator.h>

#define PIN_LEDS 21
#define NUMPIXELS 194

#define LIGHTNESS 0.05f
#define BRIGHTNESS 64

RgbColor BLACK(0, 0, 0);

jpraus

/*
 This is an example of how simple driving a Neopixel can be
 This code is optimized for understandability and changability rather than raw speed
 More info at http://wp.josh.com/2014/05/11/ws2812-neopixels-made-easy/
*/

// Change this to be at least as long as your pixel string (too long will work fine, just be a little slower)

#define PIXELS 46  // Number of pixels in the string

jpraus

#define TRIAC_PIN 2

void setup() {
  Serial.begin(115200);

  digitalWrite(TRIAC_PIN, LOW);
  pinMode(TRIAC_PIN, OUTPUT);
  pinMode(LED_BUILTIN, OUTPUT);
}

jpraus

1. -> ReadData 26 0 0 <- ReadAck 26 29 99 (DHW temp 41.59°C)
2. -> WriteData 56 0 0 <- WriteAck 56 23 0 (DHW setpoint 35°C)
3. -> ReadData 0 0 0 <- ReadAck 0 0 0 (Status)
4. -> WriteData 1 0 0 <- WriteAck 1 0 0 (Control setpoint 0°C)
5. -> ReadData 27 0 0 <- ReadAck 27 A 0 (Outside temp 10°C)
6. -> ReadData 25 0 0 <- ReadAck 25 1C 99 (Boiler water temp 28.59°C)
7. -> ReadData 28 0 0 <- ReadAck 28 1A 19 (Return water temp 26.12°C)
8. -> ReadData 17 0 0 <- ReadAck 17 0 0 (Relative Modulation Level 0%)
9. -> ReadData 19 0 0 <- ReadAck 19 0 0 (DHW flow rate 0 l/min)
10. -> ReadData 33 0 0 <- ReadAck 33 0 22 (Exhaust temp 34°C)

jpraus

#include <opentherm.h>

#define THERMOSTAT_IN 2
#define THERMOSTAT_OUT 4
#define BOILER_IN 3
#define BOILER_OUT 5

OpenthermData message;

void setup() {

jpraus

void setup() {
  Serial.begin(19200);
  pinMode(2, INPUT);
}

void loop() {
  byte data = digitalRead(2);
  if (data == HIGH) {
    delayMicroseconds(250); // wait until you are in the 1/4 of the start bit
    for (int i = 0; i < 34; i++) { // read whole data packet