Four-Digit Keypad-Operated Switch


Posted on Feb 6, 2014

Speaker relay delay controlling circuit for audio amplidier


Four-Digit Keypad-Operated Switch
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Digital Clock
Sound operated two-way switch
49Mhz Fm Transmitter Circuit
op amp A probably very easy Op-Amp Analysis
simple microphone preamplifier
27mhz intercom walkie talkie circuit
wireless temperature sensor
Video Amplifier Circuit for Camera PCB
Optical Heart Rate Monitor
DCDC single cell flashlight drive circuit diagram
A hi-fi amp around 01



Top