This guide shows how to build a Simple Flashing Beacon Light Circuit which does requires few parts like: Timer instructs the light when to ON and OFF fast so it look like blinking. This circuit used for decoration, warning light or just for fun playing! Circuit Working: Parts List: Component Quantity Resistors 10k 0.5W 3 […]
Simple Electronic Muscle Stimulation Circuit
EMS circuit… it like machine using electric stimulator to make muscle go move. It have many small electronic thing like time keeper, signal maker, power booster and sticky pad. This circuit send little shock, not hurt but through sticky pad on skin on top muscle. This small shock like brain talk to muscle make muscle […]
Simple Regulated Adjustable Power Supply Circuit using IC 723
This post show how we can make a Simple Regulated Adjustable Power Supply Circuit that can change voltage output. It use one chip name LM723 also people call it IC 723. This chip is good because it take different voltage from power plug and make it steady and we also can turn one knob to […]
High Current IC 7805 Voltage Regulator Power Supply Circuit
This post talks about how to make one circuit for high current power supply using one chip called LM7805. This chip take big voltage and make it stable 5V to give power to devices. But normal LM7805 give only small current. In this circuit we use LM7805 to give more power for devices which need […]
Simple 6V to 12V Converter Circuit (High Current)
This article explains how to construct a little helper circuit that can convert a 6V battery into a 12V power supply. For devices that require 12V to function such as some motors or toys this circuit can help. Objects that want a little more energy can make use of this particular circuit since it can […]
Simple Touch Controlled Musical Door Bell Circuit
Forget the boring ding dong bell! This circuit shows how to build a doorbell that plays a little tune instead. Just touch a button and it will ring out a melody tone one can choose for itself. This is a fun way to add some personality to the doorway. Circuit Working: Parts List: Component Quantity […]