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+--- Thread: dht22 on T64M (/showthread.php?tid=8640)
dht22 on T64M - Bejakke - 10-12-2025
I have two T64M modules with KCS v3.12.0.
However, dht22 doesn't work for me. It doesn't work on either of the T64Ms.
Tested on gpio 9 and 16.
When I test this via another ESP with ESP-Home, the sensor does work.
No problem with the DS18B20.
How do I fix this?
Another questions.
1. is it possible to send a pwm on the free gpio?
2. Is there an option to control an output as long as an input is high?
3. Will there also be an option for BM280?
RE: dht22 on T64M - admin - 10-12-2025
take photo of your DHT22 sensor setting screen on KCS firmware.
1: output pwm by free GPIO is ok, if you config by esphome or your own Arduino code.
2: sure, config by IFTTT on KCS.
3: KCS not support BM280 directly, you can config by ESPHome.
RE: dht22 on T64M - Bejakke - 10-13-2025
Here are the requested photos.
PWM would be great via the KSC web interface.
This would allow for easy adjustments without programming skills.
RE: dht22 on T64M - admin - 10-14-2025
if your DHT22 sensor include a small pcb with pull up resistance, please DISABLE "PULL UP" option in sensor setting.
RE: dht22 on T64M - Bejakke - 10-14-2025
I've already tried this on several GPIOs, both with and without a pullup resistor.
I tested it with a DHT11, which worked immediately.
RE: dht22 on T64M - admin - 10-14-2025
when we have free time, will test with DHT22.
RE: dht22 on T64M - admin - 10-16-2025
please use original DHT22