Blink your leds!
Heltec WiFi LoRa ESP32 – pinout diagram Follow the manufacturer site if you are looking for another version. The original PDF pinout diagram can be downloaded from WIFI_LoRa_32_V2 or download the JPG pinout diagram file in high resolution
Product Features Where to buy: https://s.click.aliexpress.com/e/_d6kgNUH ESP32 Lastest ESP32 Version: REV1 WIFI Bluetooth 8MB PSRAM 4MB Flash 3D Antenna LORA Product Description Working voltage: 1.8~3.7v Acceptable current：10~14mA Transmit current: 120mA@+20dBm
Sending data over LoRa with Heltec ESP32 WifiKit. Having two ESp32 boards, the first test that come in mind is to send some packets!