Heart pulse sensor circuit using opamp (lm358) Circuit lm358 opamp electronics schematics electronic engineering Crt tv.8821/8823/8873/8893/8895. ic china made colour tv diagram
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Heart Pulse Sensor Circuit Using Opamp (LM358) | Electronic circuit
Crt tv.8821/8823/8873/8893/8895. IC China made colour tv diagram - YouTube