Simple Proximity Sensor Circuit

Hi Friends,Today In This Video I Have Shown Simple Proximity Sensor Circuit

Part list
560 ohms resistor 1
blue led 1
photo diode 1
ir led 1
9v battery 1
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#Techsaw #ProximitySensor

[eletricshock]

cool, this is cool, I really like your channel 😁

[mark]

most workable however the led is always on or high a transistor can fix that or a current limiting resistor in series so when high it will come on and when low it will come off. still testing this out. thanks for sharing 👍

[Nicolas-fgqj]

Can you tell me the pin out or the signal pin please

[jhonnyu]

can I hook up the proximity sensor to a speaker instead of a LED? Thanks