This setup works.
TX->TX
RX->RX
GPIO0->GND
CH_PD->3.3V
VCC->3.3V
GND->GND
then I GND the RESET of Arduino UNO.
The code flushed but it doesn't have any response when I put AT commands on the serial monitor.
This setup works.
TX->TX
RX->RX
GPIO0->GND
CH_PD->3.3V
VCC->3.3V
GND->GND
then I GND the RESET of Arduino UNO.
The code flushed but it doesn't have any response when I put AT commands on the serial monitor.