RFM69 C++ driver library for STM32 (and other controllers)

I recently developed a protocol agnostic driver library for HopeRF’s RFM69 modules. Protocol agnostic means that you get full control over the module and the data packets that you want to send or receive. You can use this library for receiving packets from existing commercial devices like temperature sensors, or you can set up your… Continue reading RFM69 C++ driver library for STM32 (and other controllers)

Figuring out the power level settings of HopeRF’s RFM69 (H)W modules

I have been developing a sensor and actuator network for a while now using HopeRF’s cheap RFM69 HW modules. These modules use the licence-free ISM and SRD frequency bands (433 MHz resp. 868 MHz) to send and receive packets and they cost around 5€ per module. HopeRF sells them in two different flavours: RFM69W and… Continue reading Figuring out the power level settings of HopeRF’s RFM69 (H)W modules