This Simple 2 LED Battery Status Indicator Circuit work like gas meter but for battery. It uses LED lights to tell how much power battery still have. One light mean battery is full another light mean half power and last light mean time to charge. It use small parts like resistors, Zener diodes and transistors […]
LED and Lamps
Automatic Night Lamp Circuit using IC 555
This Automatic Night Lamp Circuit using IC 555 works like smart switch for night light. It have one special light sensor called LDR to check how much light is outside. When night come and outside become dark the circuit turns ON the lamp by itself. Then when morning comes and light comes back it turn […]
Aquarium LED Lighting Circuit
Make ones fish bowl bright and colorful by this Aquarium LED Lighting Circuit which work like tiny sun for fish tank. It have special LED lights that light up water. Some circuit are also smart enough. They can turn ON or OFF by self when room get bright or dark like day and night time. […]
Backyard Lamp Circuit using IC CD4060
This Backyard Lamp Circuit using IC CD4060 works like smart switch for outside light. It uses one special sensor, LDR to know if it is day or night. When night comes circuit turn ON the backyard lamp by itself. Then morning comes with light again it turns OFF the lamp. It do this with a […]
Simple USB Reading Lamp Circuit
Simple USB Reading Lamp Circuit is like small power house for ones book reading. It helps to make small lamp easy to carry and it take power from USB port like from computer, laptop or power bank also. This small lamp give light when one wants to read book or need more light on the […]
Simple UJT LED Flasher Circuit
Simple UJT LED Flasher Circuit is very simple way to make LED blink ON and OFF. It uses special transistor name UJT which one work like small flasher switch. UJT give pulse electric and make LED ON and OFF again and again with same time always. This circuit is good for fun DIY project where […]