DIY IR Proximity Detector
Hi friends…
This sensor module called proximity detector, widely used in robotics and other electronic proximity detection purposes. It is very simple to make and use.There is no effect of ambient light on the operation of sensor as a 38KHZ modulated IR pulses are used.
555 Timer is used to generate frequency of 38 KHz and very familiar IR detector module TSOP 1738 is used to detect the 38KHz IR pulses.
Circuit Diagram – Transmitter
Circuit Diagram Receiver -
Suggested Assembly -
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