The HC-12 has a great range for 433MHz but the downside is that the module can only communicate with another HC-12. Also the price for these modules are very similar to ESP8266 and LoRa devices at ...
Abstract: To meet the increasing need of wireless communication, radio frequency (RF) modules are commonly included in the design of flexible hybrid electronics (FHE). The reliability of printed ...
A comprehensive, modular RF tool suite running on M5Stack/ESP32-class devices, supporting both 433 MHz and 2.4 GHz operations with safe-by-default workflows.
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