In cricket stumps with flashing LED are used. They glow when ball hits the stumps. This project is for Cricket Stumps and Bails LED Indicator Circuit It uses light sensor and LM3909 IC. Power comes from small 3V coin cell. It is low cost and is easy to build. Circuit Working: Working of Bails LED […]
LED and Lamps
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Simple LED Heart Blinker Circuit with IC 555 Timer
This Simple LED Heart Blinker Circuit with IC 555 Timer is very easy project. It uses one timer IC and one transistor. LEDs are fixed in heart shape so it looks nice. When we give 9V battery power then LEDs start blinking in heart pattern. This project is easy for beginners. It is also good […]
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 It uses IC CD 4093, a quad Nand gate with Schmitt trigger input. Circuit makes led blink with very less power and it can run from small 6V battery also. Circuit Working: Parts List: Component type […]
Two Star Flasher Circuit with 555 IC
This simple article is for Two Star Flasher Circuit with 555 IC. Main part is 555 timer IC which works in astable mode. In this mode IC give continuous square wave pulses. These pulses make two lamps blink one by one like star. Blink speed depend on resistors and capacitor values. Transistor are used for […]
Auto On Off Light Circuit for Washroom
In washroom many time people forget to switch OFF the light because of this there is waste of electricity. To solve this problem we can make a Auto On Off Light Circuit for Washroom. When someone presses the switch it detects the presence and light will turn ON for some time and then get OFF […]
12V Mini Emergency Light Circuit with LDR
12V Mini Emergency Light Circuit with LDR is simple project to make. Light is ON automatically when dark. It works with bright white LED and uses 12V battery. Circuit is good for home, garage and emergency. Circuit Working: Parts List: Component Type Value Quantity Resistors 10k 1/4 watt 1 2.2k 1/4 watt 1 33Ω 3 […]