Simple Power Bank Circuit to Charge Mobile Phone is discussed in this article. This circuit is easy to make at home using few parts. It is good for emergency when there is no power. It also help to charge phone anytime and anywhere. Parts Needed for Power Bank Circuit: Li-ion Battery 7.4V 2600mAh: Voltage Regulator […]
Small Amplifier Circuit using Transistors
This is one Small Amplifier Circuit using Transistors which work like basic audio amplifier. It makes weak sound signal more strong so sound come better like in car radios. Now lets see how this circuit is build and how it work. Circuit Working: Parts List: Category Component Quantity Resistors 100k 1/4W CFR 1 1k 1/4W […]
Simple High Current Battery Charger Circuit
This Simple High Current Battery Charger Circuit is simple but works good. It stops charging by itself when battery reaches a set voltage. TIP35 transistor follow voltage and keeps charging voltage same and steady. It is good to charge big lead acid battery. What is a High Current Battery Charger Circuit: This high current battery […]
Long Range Infrared (IR) Remote Control Circuit using TSOP1736 IC
This Long Range Infrared (IR) Remote Control Circuit using TSOP1736 IC show how to make circuit to control fan, TV, light with any remote control. We can use old remote from home also. It is fun DIY project which make electronics hobby more easy. What is a Infrared IR Remote Control Circuit: Infrared remote control […]
Adjustable DC Motor Speed Controller Circuit
Adjustable DC Motor Speed Controller Circuit with Reverse Forward Facility discusses about how to make one simple circuit to control DC motor speed and direction. It uses one popular chip called IC 555 and one special switch. We can change motor speed by turning one knob which controls power and send to motor using PWM. […]
Simple Non Contact AC Mains Voltage Detector Circuit
This Simple Non Contact AC Mains Voltage Detector Circuit is to find AC voltage without touching wire. It uses antenna to catch AC signal from air. Then signal goes through transistors and LED blink when AC voltage is near. This circuit is good for safety and easy to make at home. WARNING: Even with this […]