🌴 A BLE-connected outdoor UV sensor keychain 🗝
| 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 |
User
As a user, I want to power ON the device so that it can measure the UV Index periodically.
As a user, I want to power OFF the device so that it can power down completely to save battery consumption.
As a user, I want to switch ON the wireless BLE so that it can transmit the data to another BLE device.
As a user, I want to switch OFF the wireless BLE so that it can stop transmitting the data to another BLE device.
As a user, I want to view the changing colors of the on-board RGB LED so that I know the current range of UV Index.
As a user, I want to view the numerical values of the UV Index and battery level data on another BLE device so that I know those values accurately.
As a user, I want to hang the entire keychain through the M6 drill hole so that I can be hands-free when outdoors.
