This Simple Adjustable Power Supply Circuit using Two Transistors is a simple power supply circuit, which can change the output voltage by using two transistors like BD140 and MJ2955 to control the voltage. What is a Adjustable Power Supply Circuit: Adjustable power supply circuit is an electric circuit which uses two transistors to change and […]
Mini Projects
Simple Magnetic Field Sensor Circuit
This is an Easy and Simple Magnetic Field Sensor Circuit, which can find magnet near the sensor. Furthermore, this circuit is easy to make and is good for beginners, where we can learn how it work and also we can use in small projects which are very fun and useful! What is a Magnetic Field […]
Simple Transformerless Power Supply Circuit
This article show how to make small and Simple Transformerless Power Supply Circuit which changes big voltage from wall socket to small voltage for electronics. Also, this circuit does this in smart way with no need of big transformer. WARNING: High voltage is dangerous, so only make this when adult is there and watching. What […]
Simple MOSFET Timer Circuit
Have anybody heard about MOSFET before? this small part is now getting popular in electronics because it does some jobs better than old parts. In this Simple MOSFET Timer Circuit we will show how to use MOSFET for making one cool timer circuit. Furthermore, because MOSFET work very good and this timer can give good […]
How to Build a Simple Solar Cell Circuit using a 2N3055 Transistor
Anyone wants to know how solar panel work? then go through this article to understand it better. We can try How to build a Simple Solar Cell Circuit using a 2N3055 Transistor at home which is possible, also, if we like electronics and know transistor then we will enjoy this project. Furthermore, this model is […]
Simple Piezo Buzzer Circuit
This Simple Piezo Buzzer Circuit make sound in new way, as it is easy to make and need only few parts like: Also, to make high sound like a whistle, this circuit is special because coil makes the sound to keep going and is not like other circuit with resistor and capacitor only. What is […]