Pro Mini Mikrobus LoRa Shield PCB
A simple PCB that allows you to uses a RFM9x LoRa device with an Arduino Pro Mini and OLED display. Only the bare PCB is supplied.
You can fits a small screw terminals for battery which can be a AA or AAA battery box stuck on the back. USB micro socket footprint for external power. Can be fitted with 0.1” pin headers or Grove connectors for GPS or sensors etc. There is a footprint for Micro SD card holder, TC74 temperature sensor and I2C FRAM. You can add a switch and reset button. The regulator on the Pro Mini can be replaced with a low (1.5uA) sleep current MCP1700/2. Can be fitted with a Mikrobus socket to take Mikroelectronica Click modules. Connector for fitting SSD1306 I2C OLED display.