Maybe there is another issue: I use pins D4 and D5 as output and input. But D4 and D5 are also marked SDA and SCL (whatever it means).
Next week I will change them to D2 and D3. Some soldering involved…
Rs.
Wolfgang
Maybe there is another issue: I use pins D4 and D5 as output and input. But D4 and D5 are also marked SDA and SCL (whatever it means).
Next week I will change them to D2 and D3. Some soldering involved…
Rs.
Wolfgang