Simple Remote Control Tester


Posted on Feb 5, 2014

Nearly always when a remote control doesn`t work, the underlying problem is elementary: the unit does not emit light. The cause may be dry solder joints, defective LEDs etc. , but also a flat battery (perhaps due to stuck key). The human eye is unable to perceive infra-red light. By contrast, an ordinary photo transistor like the BP103 has no probl


Simple Remote Control Tester
Click here to download the full size of the above Circuit.

ems working in the infrared spectrum, so in the circuit here it simply biases the BC558 which, in turn, makes LED D1 flash in sympathy with the telegram from the remote control. The preset in the circuit determines the sensitivity.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    AVR terminal for serial port
    Inverting-sample-and-hold
    Arduino LED blinking with variable speed
    catalinbread super charged overdrive
    line following robot sensor
    infrared receiver ir rx output waveform



    Top