Monday, September 4, 2017

Small Weather Station v2

Small Weather Station v2
Weather monitor system based on arduino ATMaga2560

I made a small weather monitor system based on arduino pro mini and with Bosch Sensortec BME280 sensor.

The first version with a Nokia 5110 LCD and arduino pro mini

The system measure and shows on an LCD screen the indoor and outdoor temperature and humidity. The BME280 is oslo capable to measure atmospheric pressure, but I have not programed it yet to do so. The indor system is equipped with:
BME280 sensor
nRF24L01/2.4GHz module
Nokia 5110 LCD screen
DS3231 Real Time Clock Module
Arduino pro mini (3.3v)


Outdoor weather monitor
The outside system is equipped with Silicon Labs Si7021 sensor and a nRF24L01 module.
My calculations show me that with the 2000mAh battery it will send data for two months.. but four months have past and it is still alive!..




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