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

Demo code

Other examples

  1. Palm Demo
    UV BLE medium
  2. Test with iOS client
    UV BLE iOS medium
  3. Web BLE
    UV BLE Chrome browser html medium