@▷ Remote control tester circuit | Diagram for Schematic

Remote control tester circuit

Remote control tester

Description.

This is a simple remote controller tester circuit based on infrared sensor IC TSOP 1738. When the IR waves fall on the sensor it output changes to low state.This makes the transistor Q1 ON and LED will blink according to the code contained in the signal. So for press of each button the LED blinks in different ways. This is a good indication of the working of remote.The diode D1drops 0.7 V to give the IC ~ 5V supply from the available 6V . R2 is a current limiting resistance.

Remote Control Tester Circuit Diagram with Parts List .

Remote Control Tester Circuit

Remote Control Tester Circuit Diagram

Notes .

  • Use a 6V battery to power up the circuit.
  • This circuit can be used to test remotes operating in the 38Khz carrier frequency.Almost all remotes fall into this category so no problem.
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