Palm

🌴 A BLE-connected outdoor UV sensor keychain 🗝

power LiPO
wireless BLE
sensor UV Index
mcu nRF52
battery life 5 days
bom items 13
bom cost USD $50.47
vendors 4
completed July 2019

ECAD Files

Download KiCad project files
Download Gerber files
3D view Front
3D view Back

Schematic

Download schematic PDF
Schematic

PCB Layout

Download PCB layout PDF
Layout front
Layout back

Prototypes

Prototype 1
Prototype 2
Prototype 3

Photos

PCB 3D view top photo
PCB 3D view bottom photo
PCB 3D view side 1 photo
PCB 3D view side 2 photo
PCB 3D view side 3 photo
PCB 3D view side 4 photo