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DIY Infrared Pulse Sensor Kit
This project takes checking your pulse to a whole new level. In order to record the data or use it to trigger an action, you need to convert the reading into an electrical signal. Put your fingertip over the sensor and the infrared light reflected by the blood circulating inside should do just that.
Follow along with the
step-by-step instructions or get the downloadable files here
NOTE: It should be obvious, but we must emphasize this is not a medical device. If your application is life or health-critical, please use only FDA-approved medical-grade pulse sensors. Additional Parts You Will Need Kit Includes:
Part No. Qty. Description 23683 1 IC, LM324N, quad channel Op Amp, DIP-14 38359 10 Transistor, 2N3904, general purpose NPN 15270 2 0.1µF 50V ceramic disc capacitor 33662 2 1µF 35V tantalum capacitor 691500 10 1/4 watt resistor, 470K Ω 691307 10 1/4 watt resistor, 68K Ω 691243 10 1/4 watt resistor, 39K Ω 691083 10 1/4 watt resistor, 8.2K Ω 690865 10 1/4 watt resistor, 1K Ω 690929 100 1/4 watt resistor, 1.8K Ω 690700 10 1/4 watt resistor, 220 Ω 372737 1 Infrared emitter LED, 880nm, 5mm 373001 1 Infrared phototransistor, 5mm 105100 1 Prototyping circuit board, 1.6" x 2.7" 2152892 1 25' green solid-core 22AWG hook-up wire Report a problem
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