Overview
CanAirIo now supports the Ikea Vindriktning sensor, via uart/serial port. IKEA has released the air quality sensor Vindriktning which measures the PM2.5 density in the air, and shows the classification by a green, yellow or red LED. Has inside a Cubic PM1006 particulate sensor.
The micro controller that reads the sensor to control the LEDs, does so over an UART serial connection, and that, the Tx/Rx lines, were exposed via a set of test pads, along with 5v and Ground power. This makes it easy to attach a second micro controller to the Rx and Tx lines, to read the response when the sensor is polled.
Schematic
Components
- VINDRIKTNING air quality sensor with power adapter and usb-c cable.
- Esp32 board. TTGO T7 version 1.3
- Soldering iron with solder.
- Cables for soldering
- Screwdriver
Assembling instructions
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Unscrew the case
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Strip the ends on 4 short pieces of wire.
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Solder the 4 leads to the test pads labelled 5v, GND, ISPDA and REST.
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Solder the 5V to 5V, G to G and REST to Rx2 and ISPDA to Tx2 (assuming using a TTGO T7 v1.3).
- TTGO T7 solder detail:
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Load the CanAirIo firmware, following this instructions.
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Place the TTGO T7 in the empty space above the sensor.
- Screw the case back together
Tested boards
| Board | Firmware | |
|---|---|---|
| TTGO T7 v1.3 | Rev 918 |
Disclaimer
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