Th3maz1ng/ATMEGA328PU_lowPower_weather_station
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Th3maz1ng 2021-06-20 21:10:57 +02:00
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# ATMEGA328PU_lowPower_weather_station
An ATMEGA328PU and NRF24L01+ based weather station operating on a single 18650 li-ion cell and a solar panel.
Sensors :
* Temperature
* Humidity
* Pressure
* Sunlight
## What is it ?
An ATMEGA328PU and NRF24L01+ based weather station operating on a single 18650 li-ion battery (or equivalent) and a solar panel :
![](http://82.64.196.164/images/git/weather_station_under.jpg)
## What are the functionalities ?
The station is equipped with the following sensors and has these functionalities :
* Temperature (BMP280 and HTU21)
* Humidity (HTU21)
* Pressure (BMP280)
* Sunlight (LDR)
* Battery level indication (ATMEGA's ADC)
## The hardware :
**The main board**
Top view :
![](http://82.64.196.164/images/git/weather_station_pcb_back.jpg)
Back view :
![](http://82.64.196.164/images/git/weather_station_pcb_top.jpg)