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This video shows, how to make your own Heart Beat Sensor using very few components. Main Component it uses is Proximity Sensor. This type of sensor is already used commercially in mobile phones like Samsung Galaxy ALPHA, Galaxy S5 etc.
Other components used in this project:
- LM 358 IC
- Capacitors with the value of 4.7 uF and 100 nf
- Resistors
- LEDs
Courtesy: Sachin Soni
Cool sound!!?