Hello,
today I tried to connect the PCF8575. The problem is that the HIGH level on the output is just about 1.6V instead of the expected 5V.
A0,A1,A2 is connected to ground. R1-R3 are 10k resistors.
Does someone know what's the issue?
Return to DIY Ferduino controller
Users viewing this topic: No registered users and 0 guests