This Adjustable Voltage, Current Power Supply Circuit using Transistor 2N3055 talks about how to make simple and useful power circuit, as this circuit can change voltage and current so it can work for many electronic projects. Also, the circuit uses one popular transistor called 2N3055 and some other parts. WARNING: Be careful, High voltage can […]
220V Over Under Voltage Cut Off Circuit using Transistors
This 220V Over Under Voltage Cut Off Circuit using Transistors help to protect electric things from too high or too low voltage, it also uses two transistors and some easy parts. First, when voltage goes too much high or too much low then circuit cuts the power, also it is good for home use and […]
Simple Triac Flasher Circuit
This article for Simple Triac Flasher Circuit show how to make one circuit to turn lightbulb ON and OFF, also, we can use one knob to change how fast light blinks from maybe two to ten times in one second. Moreover, this simple and easy-to-make circuit suits beginners, but beginners should always follow safety precautions […]
Simple Musical Doorbell Circuit using IC UM66
Do anyone want a special doorbell? not just make buzzing sound but this one plays small music tune as well! The Simple Musical Doorbell Circuit using the UM66 IC is very easy to build and requires only a few components,. However, the main part of this circuit is a special chip called the UM66T, which […]
220V Inverter Circuit using 2N3055 Transistors
This article show how to make a strong 220V Inverter Circuit using 2N3055 Transistors, which can change 12V battery like car battery into 220V electric for home. Also, it is easy to make and does not need many parts, and work very good. WARNING: But be very careful, homemade inverter can be dangerous always check […]
Audio Mixer Circuit using a Single Transistor
To begin with, this Audio Mixer Circuit using a Single Transistor is an small and easy circuit which mixes three sounds; it uses only one transistor which can mix two or three sounds into one. Also, it is good for beginners who want to learn about sound and electronics Circuit Working: Parts List: Components Values […]