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Unique 1-Wire® interface requires only one port pin for communication
Simply clip the Pulse Sensor to your earlobe or finger tip and plug it into your 3 or 5 Volt Arduino and you're ready to read heart rate
Cable length: about 110CM
4mm hole permits more precise filament extruding without jamming
It can play up to 22KHz
Adapter Power Supply (12VDC - 2A) LM2576 3A Step-Down Adjustable Switching Regulator Unique 1-Wire® interface requires onlyThis is industry quality DC power adapter with 12V, 2A output. It has barrel jack connector. This adapter works well with many 12V applications. Specifications Input: 100 240V AC 50 60Hz Output : 12V, 2. 0A Dimensions: 80(L) x 45(W) x 30(H) mm Cable length: about 110CM Output adaptor : Barrel Jack
US$ 120.00
US$ 250.50