The basic sensor board should be designed based on a 70x90mm (26x31) perfboard. The board should contain the Blue Pill STM32 board, the RFM69 connector and a button. A I2C or analog sensor will be added later. That should be kept in mind, when the components are aligned. The RFM69 will be connected with the Raspberry PI pin layout.
Here is an example with a different Arduino board, but the same RFM69 connector.
bergos
commented
6 years ago
The basic sensor board should be designed based on a 70x90mm (26x31) perfboard. The board should contain the Blue Pill STM32 board, the RFM69 connector and a button. A I2C or analog sensor will be added later. That should be kept in mind, when the components are aligned. The RFM69 will be connected with the Raspberry PI pin layout.
Here is an example with a different Arduino board, but the same RFM69 connector.