Onboard LED blink – WiFi LoRa ESP32 (heltec)

Onboard LED blink – WiFi LoRa ESP32 (heltec)

The Heltec WiFi 32 board from Heltec has an onboard LED, connected to PIN25 / GPIO25.   To “blink” this led, for signaling status or just for fun set PIN 25 to LOW or HIGH.

This is just a

HELTEC ESP32 lora wifi kit v2

HELTEC ESP32 lora wifi kit v2

Programming in Arduino IDE an HELTEC ESP32 lora wifi kit (v2) is the same as any other ESP board. Install Arduino IDE and then set the board in “Boards Manager”. In the “Preferences” window of the ArduinoIDE enter

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