Palm

V1.0

🌴 Get alerted on excessive UV radiation with a backpack keychain 🗝

power LiPO
wireless BLE
sensor UV Index
mcu nRF52
ota? No
battery life 5 days
bom items 13
bom cost USD $50.47
vendors 4
status completed in July 2019

Sizes

Item Height Width Depth Weight
Adafruit Bluefruit nRF52 Feather 51 mm 23 mm 8 mm 5.7 g
Adafruit UV Sensor VEML6075 17.0 mm 15.3 mm 2.9 mm 0.8 g
LiPo battery 380mAh at 3.7V 37 mm 19 mm 8 mm