Sending data over LoRa with Heltec ESP32 WifiKit. Having two ESp32 boards, the first test that come in mind is to send some packets!

Remember to connect the antenna to the board, as the producer reccomends, to avoid damage on the SX127x chip.

Make sure that you have set the ESP32 board in Arduino IDE. Look on internet or this article.

Next step, install heltec, LoRa (from Sandeep Mistry) and SSD1306 (from Daniel Eichhorn) display libraries:

The program for testing is sourced from alictronix.

Sender program

Receiver program

Upload the code to each board, and then wait for results:

 

Happy blinking!

 


2PCS 868MHz-915MHz SX1276 ESP32 LoRa 0.96 Inch Blue OLED Display Bluetooth WIFI Lora Kit 32 V2 Development Board for Arduino

Heltec Wireless stick upgrade esp32 lora/wifi lora Development Board with 0.49inch oled display 433HMZ/868MHZ/915MHZ

ESP32 lora send/receive packet test
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