I have used the AHT10 before, I liked it, it worked well. After that I bought new a AHT10 but it is not working with my Arduino. I am using this library.
I checked closly, and there is only one small difference. The old board (the working one) has a 702 N (datasheet.) The new one has a K27 and not working (datasheet).
I am using these pins with an Arduino Nano:
VIN —-> 5v
GND —-> GND
SDA —-> A4
SCL —-> A5
When I use the new AHT10, the Arduino stops working. There is no printing on the serial monitor. If I remove the AHT10 from the board it starts repeatedly printing this error:
AHT10 not connected or fail to load calibration coefficient
If I plug-in again the new AHT10, it stops to printing to the serial monitor and the Arduino does not work. If I remove the new AHT10 from board and plugin the old AHT10 it starts to work again. The old AHT10 starts to meausuring temperature and humidity.
What I sould I do? How can use this new AHT10?
Best Answer
Looks 4x10k resistor soldered bad. try to clean all the board and re-solder pins