Homemade TV remote control off electrical power supply circuit


Posted on Nov 10, 2015

When the infrared receiver tube PH302 receives a signal from the remote control, the CX20106A selected frequency amplifier output


Homemade TV remote control off electrical power supply circuit
Click here to download the full size of the above Circuit.

a low-frequency signal, the low-level signal by the D and R charges C, so C negative side potential falls below 1 / 3Vcc , .png">555 circuit discharge cutoff relay shock release, cut off the power supply. RC circuit sensitivity can be set to the action, press the remote control is generally 3-5 seconds. Press S1 relay circuit namely self-locking when powered on.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

100 Mhz converter
Electronic-photoflash
build varying brightness ac lamp circuit
H Bridge tutorial
Wireless Color Sensor
Help me Understand this Circuit Schematic
Sound and light control touch delay saving switch integrated circuit diagram
Practical gated burglar alarm circuit diagram



Top