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

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Processor

UV Sensor

Other parts used

Measuring power consumption

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Coin Cell

Firmware

BLE