ESP32 Forum

Posted: **Tue May 30, 2023 7:55 am**

That reminds me: Are the servo's and the ESP's GND connected together?

No. I have a separate power supply for each:
An external power supply connecting the ESP32 with 5V + GND.
And another power adapter with 7.4V connected with VCC and GND to the servo.

Posted: **Tue May 30, 2023 9:00 am**

No. I have a separate power supply for each:
An external power supply connecting the ESP32 with 5V + GND.
And another power adapter with 7.4V connected with VCC and GND to the servo.

Then that's your problem. You must provide a common GND to both the ESP and the servo.

Posted: **Tue May 30, 2023 12:24 pm**

This was the issue. Haha finally I made it.
I almost declared this project a failure

Thx a lot @MicroController

Posted: **Wed May 31, 2023 8:08 am**

Glad you got it working

Good luck with your project!

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