Temperature near Bordeaux, France.
Data gathered with an arduino nano (ATMega 328P, 16MHz, 5V) without regulator and led, DHT22 sensor, 3*AA battery and a 433MHz transmitter. Power saving using rocketscream library.
Project to get familar with nodemcu on a ESP8266. Preassure and temp data from BMP180 sensore is polled every 750ms. Mean value is calculated and uploaded every 15s. All is done with LUA-script. For questions ask @ email@example.com