Neon light look very nice but it needs much electricity to work. This Neon Tube Flasher Circuit show how to make special circuit to turn ON and OFF neon light using small battery with low voltage DC. WARNING: Making high voltage circuit can be dangerous. Do this only when adult are watching. What is a […]
Simple FET Two Lamp Flasher Circuit
Simple FET Two Lamp Flasher Circuit connect same like simple astable multivibrator. They make easy circuit for two lamps flashing one after other. What is a FET Lamp Flasher Circuit: This circuit using FETs mostly used for flashing lights or bulbs. It also uses some other parts but mainly has few field effect transistors. Circuit […]
Simple Adjustable Oscillator Circuit using Two Transistors
This article for Simple Adjustable Oscillator Circuit using Two Transistors show how to make small sound circuit using only two transistors! When we turn the knob the sound goes high like beep or low like growl. We can use four AA battery or small wall power to run this circuit. Try this easy experiment to […]
Simple Car Fused Tail Lamp Indicator Circuit
Simple Car Fused Tail Lamp Indicator Circuit tell how to make one easy circuit for check car back lights are ON or not. It uses one common part called resistor to know if light are getting enough power. If light goes OFF the circuit gives an alarm to show problem. This thing is good help […]
Crystal Tester Circuit
Did anyone ever think how quartz watch or radio keep time so good? It uses one special thing called crystal oscillator. This post for Crystal Tester Circuit show how to make small tester to check if crystal is working or not. Tester are made with simple parts like transistor, resistor and capacitor. WARNING: Making electric […]
Simple Delay Timer Circuit
This article tell how to use simple parts like transistor, capacitor and diode to make Simple Delay Timer Circuit. This timer can wait some time like few seconds or minutes before turning something ON. This kind of delay timer is needed in many circuits so things happen in correct order. What is a delay timer […]