Program Heltec WiFi LoRa 32(v2) without builtin USB but by Tx/Rx pins with FT232RL

#1

Good morning Srs
Any one can help me and give a guidance to Program Heltec WiFi LoRa 32(v2) without builtin USB but using Tx/Rx pins with FT232RL
My USB builtin interface is damaged and I dont want to loose this Heltec because of it

Thank you in advance

#2

You can download the program through the TX and RX pins when you manually enter the bootloader.

#3

Thank you for the answer.
Where can I find a guidence to manually enter the bootloader.?

Best Regards

#4

LoRa32 already connected to a computer → Keep the “PRG” button pressed → Press the “RST” button → Release the “RST” button → release the “PRG” button.

#5

Top solved!!! Thanks a lot!!! \o/
I connected the FT232RL in 3.3VDC do TX, RX, VCC and GND to Heltec WiFi LoRa 32(v2) and everything works as you said: PRG-/, RST-/, RST-/, PRG-/.
Chip resurrected!!! \o/ \o/

Solution:
(LoRa32 already connected to a computer → Keep the “PRG” button pressed → Press the “RST” button → Release the “RST” button → release the “PRG” button.)