Photo Light with Relay

Posted on Jul 18, 2012

The circuit below uses a CMOS dual D flip flop (CD4013) to toggle a relay or other load with a momentary push button. Several push buttons can be wired in parallel to control the relay from multiple locations.

Photo Light with Relay
Click here to download the full size of the above Circuit.

The circuit below requires a double pole, double throw relay in conjunction with a single transistor to allow toggling the relay with a momentary push button. One set of relay contacts is used to control the load, while the other is used to provide feedb

Leave Comment

characters left:

New Circuits



Popular Circuits

PC Remote Control
1Khz Square-Wave Generator
Fast Video Signal Amplitude Measurer Circuit
high voltage 555 audio modulated flyback
preamplifier for ecm microphone
technical information for leds
AB4YD Amateur Radio Page
PIC-based applications from Westford MicroSystems descriptions C source code and schematics
AC power supply circuit
CO2 gas shielded arc welding power supply electromagnetic vibration circuit
1000w exchange regulator automatic voltage regulator circuit diagram
The timing of the flip-flop circuit composed of a photodiode etc.