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Select correct GPIO pin to rf transmitter

Posted: Thu Apr 28, 2022 5:22 am
by Yolo1999
I have esp32. On the chip I see
ESP-32-WROOM-32
2ACC7-ESPPWROO32
On the back of the board I see esp32s

I want to connect GPIO pin to rf transmitter (I already connected 3.3v and gnd)
I not sure about the pin that O need to put here
https://github.com/sui77/rc-switch/blob ... mo.ino#L17
I use PlatformIO on arduino platform and I choose the upesy_wroom(I hope that the right one)
I thought to connect the transmitter data pin to D2 pin (that the fourth pin on the board: 3v3,gnd,d15,d2)

What is the pin number should I put in the code?2? Because I don't see the data has been sent via the RF transmitter

My board looks like Image