Th3maz1ng/ATMEGA328PU_lowPower_weather_station
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Updated the readme

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Th3maz1ng 2021-07-17 12:27:31 +02:00
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README.md
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## What is it ? ## What is it ?
An ATMEGA328PU and NRF24L01+ based weather station operating on a single 18650 li-ion battery (or equivalent) and a solar panel : An ATMEGA328PU and NRF24L01+ based weather station operating on a single 18650 li-ion battery (or equivalent) and a solar panel.
**Check the LICENSE.md file at the root of this project for more information.**
![](http://82.64.196.164/images/git/weather_station_under.jpg) ![](http://82.64.196.164/images/git/weather_station_under.jpg)
@ -14,12 +16,39 @@ The station is equipped with the following sensors and has these functionalities
* Humidity (HTU21) * Humidity (HTU21)
* Pressure (BMP280) * Pressure (BMP280)
* Sunlight (LDR) * Sunlight (LDR)
* Battery level indication (ATMEGA's ADC) * Battery level indication (ATMEGA's 10 bit ADC)
## Project folder architecture
``` json
/
|_src This folder contains all the C/C++ file sources.
| \_app This folder contains the main app and it's dependencies.
| |_libs This folder contains all the required 3rd party libraries that should be put in "Arduino\libraries" folder in order for the app to compile.
| |_test This folder contains a test program which was used to test the dependencies.
|
|_schematic
| \_KiCad This folder contains the KiCad files associated with the project.
| |_ATMEGA328PU_lowPower_weather_station.pdf Which is the most recent schematic exported as a pdf for quick viewing.
|
|_documentation This folder may one day contain the associated documentation if needed.
|
|_.gitignore
|_LICENSE.md
|_README.md The content of this page
```
## The hardware : ## The hardware :
Here is a list of the parts used to build the station with a link to the page of each products :
* [Solar panel : 72x72](https://fr.aliexpress.com/item/4001240640418.html?spm=a2g0s.9042311.0.0.27426c3741mIVH)
* [NRF24L01](https://fr.aliexpress.com/item/32976054389.html?spm=a2g0o.cart.0.0.657d3c00t37c7e&mp=1)
* [TC4056 (1 cell lipo charge/discharge protection)](https://fr.aliexpress.com/item/4000522397541.html?spm=a2g0o.productlist.0.0.175b30dfajsyO5&algo_pvid=203adaed-55ba-4678-a3e4-3aafcad89952&algo_exp_id=203adaed-55ba-4678-a3e4-3aafcad89952-1)
* [BMP280 pressure sensor](https://fr.aliexpress.com/item/32228095913.html?spm=a2g0s.9042311.0.0.27426c3741mIVH)
* [SHT/HTU 21 humidity sensor](https://fr.aliexpress.com/item/32787282185.html?spm=a2g0s.9042311.0.0.27426c3741mIVH)
* [ATMEGA328PU board](https://fr.aliexpress.com/item/4000190780977.html?spm=a2g0o.store_pc_allProduct.8148356.4.66547f0dNb2qkV)
* [3.3V LDO for the power rail : RT9013-33PB](https://fr.aliexpress.com/item/4001097171645.html?spm=a2g0o.productlist.0.0.48aa7800HoFD4h&algo_pvid=454c2fa4-a1a9-4ec2-9398-00d598a20b67&algo_exp_id=454c2fa4-a1a9-4ec2-9398-00d598a20b67-0)
* [LDR type : 5528](https://fr.aliexpress.com/item/32623615207.html?spm=a2g0o.productlist.0.0.41a66ceaAE4l8B&algo_pvid=b7699cb3-9564-4a0e-bfb2-cf66f2917b04&algo_exp_id=b7699cb3-9564-4a0e-bfb2-cf66f2917b04-0)
**The main board** ### This is what my board looks like :
Top view : Top view :
![](http://82.64.196.164/images/git/weather_station_pcb_back.jpg) ![](http://82.64.196.164/images/git/weather_station_pcb_back.jpg)