Category: LoRa/GPS Hat

LoRa Schematics Error

This is the PSU used on the LoRa/GPS Hat to allow switching the units on/off. The signal EnGPS connects to a GPIO pin and the MCU must pull it high for GPS to switch on – very simple. One of the functions of a modern EDA is to check schematics and PCB. This works excellent…

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LoRa+GPS Hat

This is one of my more exiting projects as I add a LoRa transmitter and GPS to a Hat. E22-900M30S support 12km range while the smaller E22900M22S support ca 6km Range. I have received units and PCB so just waiting for a time-slot to work on this Hat. Raspberry PI Hat format 42Mbps SPI backbone…

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