Temp sensor
Temperature sensor.
NTC and DHT sensor
MQTT
Json
Node-red
google charts
1X LOLIN(WEMOS) D1 R2 & mini
The Wemos Mini is a small ESP-8266 based wifi board.
11 digital io pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
1 analog input(3.2V...