STM32WL developer board with RF antenna. The board is made to work with LoRa, GFSK, GMSK, BPSK in 433MHz frequency. STM32WLE5CCU6 with single code Cortex-M4 256KB Flash and 64KB RAM is used. The ...
(can chip at cable with cutter until it fits if it's too large). Without antenna, there's not enough power to transmit more then a few cm. (same for receiver) The 433mhz rx/tx pair work fine with 3.3V ...
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