Display Digits on TM1638 LED & Keys with ESP32 nodeMCU

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Hey man, nice project

if i can ask, i'm using your same components (except the arduino mega), and the TM1638 is not powering correctly
what could it be the issue?

(cable length? pin that i used?)
please hep D:

TagFul
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Hi, did you check the cable length for communication with the TM1638 board?

worldexplorerPL
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Nice tutorial, do you have link for the product

hfe
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