esp8266-homekit-tempsensor

This is a native HomeKit temperature sensor with D1 mini ESP8266 and DS18B20 sensor in celsius.

Hardware

The following hardware is required:

- D1 mini (ESP8266)
- Temperature sensor (DS18B20)

Connection: D1 mini -> DS18B20

5V -> VCC (red)
GND -> GND (black)
D4 -> DQ (yellow)

Development

This sketch is for following development environment

Arduino

Following libraries are required

https://github.com/datjan/Arduino-HomeKit-ESP8266 (fork from Mixiaoxiao/Arduino-HomeKit-ESP8266:master)
https://www.arduinolibraries.info/libraries/one-wire
https://www.arduinolibraries.info/libraries/dallas-temperature

Setup

Setup my_accessory.c:

.password = "123-55-222". // Homekit Code

Setup wifi_info.h

const char *ssid = "xxx"; // SETUP Wlan ssid
const char *password = "xxx"; // SETUP Wlan password

Upload to device

Following files needs to be uploaded to the ESP8266 (D1 mini)

esp8266-homekit-tempsensor.ino
my_accessory.c
wifi_info.h

Add device to Homekit

The device can be added to homekit like every other homekit device.