09-04-2024, 09:18 PM
(08-21-2024, 07:41 AM)admin Wrote: Hello, I have the exact same problem with my board. When I run an I2C scan, it only finds the PCF8574 chips at 0x22 and 0x24.
Just got the board last week (from Aliexpress), and everything else works fine.
Is the conclusion that the DS1307 chip is bad ? I did pit in a fresh new battery in.
What is the resolution ? I am in the US, so sending the original board back to China is not a viable option.
Thanks
