Schematics Depot (tm) - IR/Ultrasonic

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| September 02, 2010

Schematics Depot >> IR/Ultrasonic

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-ir/ultrasonic-

To view the schematics you want, browse this page and click on the schematics' respective names.
To make them easier to find, the schematics on this page have been divided into sections. To jump right to a specific section, click on the appropriate link below.

[ infrared | ultrasonic ]

infrared:
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basic ir detector/emitter

a very basic infrared detector/emitter circuit

555 timer 40khz IR Oscillator

here's a circuit to oscillate two ir led's at 40 khz (40,000 times a second.)

40khz IR Tester

test a 40khz ir oscillator, and see if your sensor will be able to see it.

ultrasonic:
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ultrasonic switch

this ultrasonic switch consists of two circuits - one is the transmitter, and the other is a receiver. the receiver responds to an ultrasonic signal from the transmitter (40-50khz) and activates a relay.

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