This easy Heads or Tails Decision Maker Circuit show how to make fun coin flipper using electric. Like when we flip real coin but here we press a button and small chip inside do fast thinking and then say “heads” or “tails” very quickly It uses logic parts and small electric pieces to give random […]
Adjustable Voltage, Current Power Supply Circuit using Transistor 2N3055
This Adjustable Voltage, Current Power Supply Circuit using Transistor 2N3055 talks about how to make simple and useful power circuit. This circuit can change voltage and current so it work for many electronic projects. It uses one popular transistor called 2N3055 and some other parts. WARNING: Be careful, High voltage can be very dangerous. Do […]
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 uses two transistors and some easy parts. When voltage goes too much high or too much low then circuit cuts the power. It is good for home use and might surprise some […]
Simple Triac Flasher Circuit
This article for Simple Triac Flasher Circuit show how to make one circuit to turn lightbulb ON and OFF. We can use one knob to change how fast light blinks from maybe two to ten times in one second. This is an simple and easy to make circuit for beginners, but safety is always needed […]
Simple Musical Doorbell Circuit using IC UM66
Do anyone want special doorbell? Not just make buzzing sound but this one plays small music tune! Simple Musical Doorbell Circuit using IC UM66 is very easy to make with only few parts. Main thing is special chip called UM66T which makes music. This is a fun project and good for beginners. We can also […]
220V Inverter Circuit using 2N3055 Transistors
This article show how to make a strong 220V Inverter Circuit using 2N3055 Transistors. It can change 12V battery like car battery into 220V electric for home. 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 safety […]