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Ble Heart Rate Display Pendant
AdafruitnRF52840
A wearable heart rate monitor pendant that uses Circuit Playground Bluefruit to display the wearer's heartbeat with NeoPixels.
In stock
Specifications
4- Operating Voltage
- 3.7V (Lipo battery) / 3.7V (AAA batteries) V
- Flash
- Not specified in the text.
- Ram
- Not specified in the text.
- Gpio Count
- 2
Pinout
2Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| D13 | red_led | GPIO | On-board status LED |
| NEOPIXEL | pixels | PWM | NeoPixel LEDs for heart rate display |
Interactive pinout
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nRF52840
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