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Ikea_Environmental_Sensor

Replacement Board for Ikea Vindriktning PM2.5 Sensor

This board is meant as a complete replacement for the board rather than adding in a new board.

This board will add the following:

For the existing PM2.5 Sensor I decided to add power control for the fan so new code to control the speed of the fan as well as when to turn it on. There is a level shifter between the PM2.5 communication header and the ESP32 since the fan operates at 5V and the ESP32 operates at 3.3V

I kept a USB C connector for the power but since the ESP32-C3 has embedded USB I connected D+/D- so you can program and communicate with the board over USB. As a backup I also included a UART header.

I kept the LEDs on the back of the board and placed them in the same locations so you can still use them as a visual status of the sensor.

I did some initial testing with test code and everything appears to be working as expected but the complete software package has not been developed yet, life keeps getting in the way.

The PM2.5 Sensor headers are too close to each other, the cables won't both plug in

The USB C connector has too wide of a base so it doesn't quite fit into the hole in the case. Need to find a slimmer connector and it needs to be all the way at the edge of the board

Prototype

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Replacement Board for Ikea Vindriktning PM2.5 Sensor

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