Diy | How To Make Ir Proximity Sensor Without Ic Or Transistor

IR proximity sensor without using any transistor or IC

DIY | How to make ir proximity sensor without ic or transistor #RC Invention #diy #howtomake

Rc Invention. 15.6M views • 3 days ago........

Very Very Long Range IR Proximity Sensor Circuit..Diy Long Range Obstacle Detector Circuit..

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