This Simple LED Voltmeter Circuit works like a small battery checker with LED lights., unlike a phone battery bar, this circuit uses LEDs to show the remaining battery level in many small electronic devices. More LEDs turn ON when the battery has more charge and each LED turns ON at a different voltage level. The […]
LED and Lamps
Simple 2 LED Battery Status Indicator Circuit
This Simple 2 LED Battery Status Indicator Circuit work like gas meter but for battery, as 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. Also, it use small parts like resistors, Zener diodes […]
Automatic Night Lamp Circuit using IC 555
To begin with, this Automatic Night Lamp Circuit using IC 555 works like smart switch for night light, it also 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 and then when morning comes and […]
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; also it have special LED lights that light up water. Some circuit are also smart enough, as they can turn ON or OFF by self when room get bright or dark like day and […]
Backyard Lamp Circuit using IC CD4060
To begin with, this Backyard Lamp Circuit using IC CD4060 works like smart switch for outside light, as it uses one special sensor, LDR to know if it is day or night. Hence, when night comes circuit turn ON the backyard lamp by itself and when morning comes with light again it turns OFF the […]
Simple USB Reading Lamp Circuit
Simple USB Reading Lamp Circuit is like small power house for ones book reading; as it helps to make small lamp easy to carry and it take power from USB port like from computer, laptop or power bank also. Also, this small lamp give light when one wants to read book or need more light […]