Build your own

The hardware is still under development.

Our first prototypes had a few bugs and we're currently working on a fixed design. It is entirely feasible to build your own Most parts are readily available via online retailers.

The source code, custom circuit board layout schematics and enclosure design is all available on our github repo.


The following is a list of suggested materials for building your own device:

ESP32 + LoRa: LILY TTGO v2 development board, $20
Antenna: 900MHz Directional Antenna 5dBi, $4
Solar Panel: 10 to 100w 18v/12v, $20
Lithium Ion Battery: 3.7V 3600mAh, $12
Battery Case: 2x 18650, $1
Enclosure: waterproof case, $5
Wire: .5mm, 2 conductor, $1
Total: ~$63