Pulse Sensor Amped
Optical heart-rate sensor with on-board amplification and noise cancellation; works with 3 V or 5 V Arduino via analogue input. Outputs a signal proportional to blood-volume pulse for real-time BPM calculation.
Optical heart-rate sensor with on-board amplification and noise cancellation; works with 3 V or 5 V Arduino via analogue input. Outputs a signal proportional to blood-volume pulse for real-time BPM calculation.
Positive supply lead. Pulse Sensor Getting Started Guide states RED wire = +3V to +5V and connects to +V.
Ground lead. Pulse Sensor Getting Started Guide states BLACK wire = GND and connects to Ground.
Analogue pulse output lead. Pulse Sensor Getting Started Guide states PURPLE wire = Signal and connects to Arduino analogue pin 0; datasheet states output voltage range is 0.3V to Vdd.
| Pin | Type | Function | Voltage |
|---|---|---|---|
| RED wire+V | Power | Positive supply lead. Pulse Sensor Getting Started Guide states RED wire = +3V to +5V and connects to +V. | +3V to +5V |
| BLACK wireGND | Ground | Ground lead. Pulse Sensor Getting Started Guide states BLACK wire = GND and connects to Ground. | 0V |
| PURPLE wireSignal | Signal | Analogue pulse output lead. Pulse Sensor Getting Started Guide states PURPLE wire = Signal and connects to Arduino analogue pin 0; datasheet states output voltage range is 0.3V to Vdd. | 0.3V to Vdd output range |
Positive supply lead. Pulse Sensor Getting Started Guide states RED wire = +3V to +5V and connects to +V.
Ground lead. Pulse Sensor Getting Started Guide states BLACK wire = GND and connects to Ground.
Analogue pulse output lead. Pulse Sensor Getting Started Guide states PURPLE wire = Signal and connects to Arduino analogue pin 0; datasheet states output voltage range is 0.3V to Vdd.
UART · I2C · Analog · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: RED wire / +V, BLACK wire / GND, PURPLE wire / Signal. Schematik maps them to your board in the app.
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