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9dbe4ce · May 4, 2024

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layout title permalink sequence manufacturing downloads features
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Start
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code schematic layout kicad gerber bom freecad case
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detail
Read UV Index with the on-board sensor <code>VEML6075</code> and the battery level
detail
Display the UV Index color code with the on-board RGB LED
detail
Power on/off the entire device with the on-board power switch
detail
Start or stop BLE advertising with the on-board BLE switch
detail
Connect via the USB cable to flash the firmware or charge the LiPo
detail
Hang it like as keychain using the <code>M6</code> drill hole
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Display UV Index and Battery level as a GATT service and characteristic on a BLE client such as the iPhone or Web BLE on Chrome browser

Maintenance

  • Flashing firmware: Plug in the USB cable into the USB connector
  • Charging the LiPo: Plug in the USB cable into the USB connector. Charging will have the yellow LED on.