"This video explores LoRaWAN communication using a microcontroller without a dedicated radio chip. CNLohr demonstrates techniques to transmit LoRa packets over surprisingly long distances, pushing the limits of inexpensive hardware. The project involves creative software and hardware interaction to generate signals at unexpected frequencies."
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check out this guy, doing something similar sending Lora packets without a radio - https://youtu.be/eIdHBDSQHyw?si=MGteEp72Mz52qNqu
"This video explores LoRaWAN communication using a microcontroller without a dedicated radio chip. CNLohr demonstrates techniques to transmit LoRa packets over surprisingly long distances, pushing the limits of inexpensive hardware. The project involves creative software and hardware interaction to generate signals at unexpected frequencies."