Description
This component is ideally suited to adding heartbeat sensing to your project. KY-039 uses bright infrared (IR) LED and a phototransistor to detect the pulse of the finger, a red LED flashes with each pulse.
Technical Specification:
- Chipset: KY-039
- Voltage Input: 3V - 5V
- Size: 16mm*19mm*6mm (L*W*H)
Features:
- Use IR LED and an optical transistor to detect pulsation in fingers
- Small and Compact module
- Easy to use
Applications:
- Medical
- Home lightning