Prototype Repeater Complete

A project log for Jebel: Off Grid Communications

Jebel is a LoRa based text communication system for humanitarian and disaster relief situations.

chris-lowChris Low 08/02/2019 at 07:040 Comments

This is a prototype unit for the repeater system I would like to implement. It is powered by a 6 watt solar panel charging 4 18650 lithium ion cells through a tp4056 controller. The microcontroller is a Lora32u4 which combines an Atmel 32u4 controller with a Semtech sx1276 Lora module. The body is a combination of a waterproof box with some 3d printed PETG elements and folded stainless steel flat stock. The antenna is a 1/4 wave ground plane monopole.