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View Code? Open in Web Editor NEWIkea Hack: Making the air quality sensor VINDRIKTNING smart sensor with ESP8266 ESPHome and Home Assistant
Ikea Hack: Making the air quality sensor VINDRIKTNING smart sensor with ESP8266 ESPHome and Home Assistant
Hi,
thank you for the great project! I was already looking for the possibility to use the vindriktning as traffic light alerting system in homeassistant for other things like air-quality.
So I'm very happy to got an walkthrough with your project.
But I have some issues with the orange LED.
I've all modified like in your description. Was not shure about the right lenght of the cut between R3 and R4 and did it like your red line. So all works great in ESPHome but the Orange LED switches on only very very weak - same as at the start-up sequence.
Can you give me a hint, to fix this?
Thanks a log,
kind regards
Daniel
Hi, thanks for your project. Everything is working. I have only problem with weakly lit yellow leds. After lighting them they are very dark light. I cut the path between R3 and R4 only on the length of resistors. Is it supposed to be like this? I measured left legs of resistors and they are not both connected. I did not cut the C1 path to the capacitor and I did not connect the path witch a wire. Do you have any idea what the problem is?
The original ikea board doesn't let the fan spin all the time, while the hack does, but slower.
After some time I noticed the sensors readings dropping to 0 and staying there.
I suspected that the constantly spinning fan might be the cause and disconnected it.
The readings started to rise again until they reached a plausible level.
I suspect the ikea board stops the fan for the sensor to have a chance get a reading.
I read in some review of the sensor that it only needs the fan for the readings to not drift upward over (longer periods of) time. The reviewer mentioned it as a positive that ikea even bothered putting it in.
The solution to the problem for me was to keep the ikea boards controll over the fan intact.
To get it to be quieter I cut the fans red (+) wire and soldered a 33 ohm resistor into it.
(Of course to have the ikea board control the fan, you should not cut the ICs pin 5, or reconnect it if possible if you already did)
I hope this is helpful for someone :)
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