Position: Index > Sensor Circuit >

Infrared Heart Pulse Monitor

2014-11-06 16:24  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.

Senses heart pulse by means of an infrared earlobe clip. Reverse engineered circuit diagram of heart pulse sensor circuit board out of a treadmill. Notice that the output is level shifted for use by CMOS logic running on 4.5V regulated down from the 6V battery. The CMOS logic also controlls the power to the analog circuitry and infrared LED. visit page.Infrared Heart Pulse Monitor - schematic