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• #2
as ttl work on 5v and ESPs on 3v3 you need a bidirectional level shifter :
https://electronics.stackexchange.com/questions/173297/how-does-a-bidirectional-level-shifter-work
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• #3
Tnx all working now.
as ttl work on 5v and ESPs on 3v3 you need a bidirectional level shifter :
https://electronics.stackexchange.com/questions/173297/how-does-a-bidirectional-level-shifter-work
Tnx all working now.
Please help me to connect this dev