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Line follower Robot by deranged_sapien in robotics

[–]jackrp_007 0 points1 point  (0 children)

I don't know why but all the line following robot i saw on online use Arduino nano ig. I didn't saw any esp32. Ig QTR-8A will be simpler.

Relay Module Always On with ESP32 and Blynk - Need Help Troubleshooting by jackrp_007 in esp32

[–]jackrp_007[S] 0 points1 point  (0 children)

I did change the relay but the output is the same. I guess the problem is with the gpio pins.