USB TTL Dat
- Green = TX
- White = Rx
- Red = VCC
- Black = GND
Product links
- PL2303 - https://www.electrodragon.com/product/pl2303ta-usb-ttl-usb-serial-cable-win-88-1-compatible/
Use case
for ESP32 or ESP8266 :
- TXD -> RXD
- RXD -> TXD
- 5V -> 5V
- GND -> GND.
- Connect IO0 to GND, and then power up to enter into programming mode
troubleshooting checklist
reverse TX RX in case wrong wiring of communication
software com-monitor-dat
other interface