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A DC supply of +5 V is obtained from a 230 V AC source. This power supply is utilized by other circuit blocks. A pulse generator operating at a specific frequency generates clock pulses. These clock pulses are counted...
It is frustrating to discover that the car headlights have been left on, resulting in a dead battery. One solution to this problem is the proposed control circuit. This circuit does not issue a warning; instead, it takes action:...
The camera flashlight circuit activates when switch K1 is engaged. This triggers a self-oscillating circuit consisting of BG1, capacitor C1, battery B1, and resistor R1. Once operational, the circuit boosts the voltage through B1 and rectifies it using diode...
The consumer unit cupboard in some older houses is poorly illuminated. If a bell transformer is also situated in this cupboard, it can be utilized to provide emergency lighting using two high-current LEDs. These diodes are powered through a...
A simple mains Light dimmer. A simple mains light dimmer is an electronic device used to adjust the brightness of incandescent and some LED lights by varying the voltage and current supplied to the light bulb. The typical operation of...
Two headlight reminder circuits are designed for easy installation and operation based on the KISS (Keep It Simple Stupid) principle. The basic circuit consists of a 12V piezo buzzer connected between the lights circuit and a door switch. The...
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