This Cricket Stumps and Bails LED Indicator Circuit uses flashing LEDs that glow when the ball hits the stumps. The circuit detects the disturbance and immediately lights the LEDs, creating an effect similar to modern cricket stumps used in professional matches. In addition, the circuit uses a light sensor and an LM3909 IC, while a […]
Hobby Circuits
Simple LED Heart Blinker Circuit with IC 555 Timer
This Simple LED Heart Blinker Circuit with an IC 555 Timer is a very easy project, it uses one timer IC, one transistor and several LEDs arranged in a heart shape, giving it an attractive and appealing appearance. When we give 9V battery power then LEDs start blinking in heart pattern; furthermore, this project is […]
Simple Wire Loop Security Alarm Circuit
A simple wire loop alarm is a small security circuit that uses a thin wire as a sensor loop and if someone cuts or opens the loop, the buzzer sounds. Also, it works on 9V battery, needs few parts, is cheap and easy to make. Circuit Working: Parts List: Components Values Qty Resistors 4.7M 1/4 […]
Low Power Led Flasher Circuit using Nand Gate IC
Make your led blink easy with this easy to make Low Power Led Flasher Circuit using Nand Gate IC, as it uses IC CD 4093, a quad Nand gate with Schmitt trigger input. Also, the circuit makes led blink with very less power and it can run from small 6V battery too. Circuit Working: Parts […]
Two Star Flasher Circuit with 555 IC
This simple article is for Two Star Flasher Circuit with 555 IC and its main part is 555 timer IC which works in astable mode; also in this mode IC give continuous square wave pulses. These pulses make the two lamps blink alternately, creating a star-like flashing effect; also the resistor and capacitor values show […]
Refrigerator Door Open Alarm Circuit with IC 555
Sometimes, people forget to close the fridge door and this causes loss of cooling and waste of electricity; so to solve this problem we can use a simple Refrigerator Door Open Alarm Circuit with IC 555 When the door stays open, the buzzer gives a sound, so it reminds the user to close the doo; […]