A simple dark sensor circuit designed for security purposes uses the timer IC 555 This electronic design can detect low light levels and activate a response such as turning on a buzzer or a light. It employs a standard light-dependent resistor LDR to sense light. This circuit is quite handy for various security applications such […]
Timer Circuits
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Controlling a DC Motors Direction Circuit with IC 555 Timer
Controlling the direction a DC motor spins can be done easily with a circuit that uses the IC 555 Timer. This method is really useful in areas like automation, robotics and other motorized gadgets where you need to switch between moving forward and backward. The circuit includes a 555 timer chip, a transistor and a […]
IC 555 Timer Based Mini Flasher Circuit
A mini flasher circuit that uses the IC 555 timer represents a simple electronic assembly designed to cause an LED to emit light in a blinking pattern at a specified frequency. This type of circuit finds frequent application in various indicator systems, signaling apparatus and projects undertaken by hobbyists. The construction of this circuit utilizes […]
PWM LED Ramping Circuit (Slow Bright, Slow Fade)
An PWM LED Ramping Circuit helps change the brightness of an LED smoothly, so it lights up gradually instead of just turning on and off suddenly. This smooth lighting effect is really useful for many things, like visual signals, decorative lights and soft signaling systems. The circuit shown here uses two IC 555 timers, an […]
Simple 555 Timer Based Animal Repeller Circuit
A simple electronic device called the 555 Timer Based Animal Repeller Circuit has been cleverly designed to keep animals away from certain areas. This device works by producing a high pitched sound that many animals find uncomfortable but humans usually can not hear it. The main part of this device is the IC 555 timer […]
Tone Generator Doorbell Circuit using Dual IC 555 Timers
A circuit made to work as a Tone Generator Doorbell uses Dual IC 555 Timers making it a simple but very effective way to create a tone when someone presses the button. The IC 555 timer is set up to work in two modes astable and monostable, which is super important for building a tone […]