Hi thanks for the reply, I solved the problem, I'm not sure if that was the problem but when I switch from arduino to a 3v3 ftdi it work
I think the 5v arduino couldn't communicate with esp32 without a voltage translator
Search found 2 matches
- Sat Feb 12, 2022 12:40 pm
- Forum: ESP-AT
- Topic: Communication with ESP-AT (ESP32-WROOM-32E)
- Replies: 2
- Views: 2293
- Wed Feb 09, 2022 7:57 pm
- Forum: ESP-AT
- Topic: Communication with ESP-AT (ESP32-WROOM-32E)
- Replies: 2
- Views: 2293
Communication with ESP-AT (ESP32-WROOM-32E)
we want to try connect ESP32 with STM32 via UART using the ESP_AT after flashing the esp32-wroom-32e with esp-at firmware (ESP32-WROOM-32-V2.2.0.0), the output from UART0(USB in dev-ket) is as expected (figure1). figure1.png But we couldn't communicate with the ESP32 via UART2, we try to send "AT" &...