This is Sound switch circuit,using IC-1458 and SCR-C106D It will work only if the loud is overdue,for player cameras, can apply to a Burglar alarm circuit
These are many Monostable multivibrator using 555 timer. We use it as timer for control a load, LEDs,driver relay. Which trigger them using a normal switch. [...]
Power failure, voltage drop, power surge, but do not worry when has this circuit.
This is Electronic Rotary Switch circuit using Digital IC,use a single switch choose a function of external control circuit has 9 positions,Begin with S1
This circuit is based on learning of the discharge and charge of the C, which can be used as a timer circuit and can be applied in the off electrical…
This is a Touch Motor Controller circuit using SCR and Schmitt Trigger. It is designed for control 12V DC Motor. By use the touch on the plate, the Motor as…
I design Simple dream baby automatic sensor night light as Figure 1 since it cheap and easy to makes,The LEDs glow brightly just when in night or dark only.