Update April 2022: also works on clone of SparkFun Pro Micro (except no LED-BUILTIN is fitted) End Update. Here is ‘blink’ modified to work TXLED and RXLED as well as LED-BUILTIN. int RXLED = 17; // ...

Related area. Onboard led blinking. Hardware specification. Onboard led. Is your feature request related to a problem? Arduino IDE works fine with CORE-ESP32 board (choosing "ESP32C3 Dev Module" from ...

Arduino IDE; Programming cable (micro USB cable) ... here in ESP32 the LED on board is connected to pin number 2, while for Arduino it will be connected to pin number 13. STEP 6: ... of using the ...