This DIY LED Lamp Circuit using Salvaged Parts from Blown LED Bulb is cheap and easy project. It uses stuff people throw away. Here we will learn how to change broken CFL light to energy saving LED light. This circuit work direct with 230V AC power with no need of transformer to save energy. It […]
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Simple LED Driver Circuit using IC CAT3063
This Simple LED Driver Circuit using IC CAT3063 helps to power LEDs good and save power. Circuit keep LEDs work well and make them last long. Here we talk how CAT3063 work in LED driver and it give steady current to many LEDs. CAT3063 can power 3 LEDs at same time very well. But CAT3063 […]
Simple LED Boost Driver Circuit with IC MP3302
Simple LED Boost Driver Circuit with IC MP3302 chip is good boost converter for LED lights in many projects. It can light 27 LEDs in 9 groups and each group have 3 SMD 2835 LEDs. Battery are used in Lithium-ion. MP3302 IC is special because it gives steady current and control many LEDs together. IC […]
PWM Dimmer Circuit for 12V DC Lamp
This post is about PWM Dimmer Circuit for 12V DC Lamp which controls lamp brightness and saves energy. Main part of this circuit is IC 555 timer chip which make PWM signal. PWM signal change power to lamp by duty cycle. IC 555 timer works like astable multivibrator at 2.8KHz which is the is the […]
Light Controlled Switch Circuit using IC LM311 and LDR
This article talks about Light Controlled Switch Circuit using IC LM311 and LDR. It simple and very useful and it feel light change near it. We find this circuit in many place like automatic light, street lamp and security system. Main thing is voltage comparator with LM311 IC. LDR sees light and LM311 IC turns […]
IC 555 Timer Based Mini Flasher Circuit
IC 555 Timer Based Mini Flasher Circuit makes LED blink light with a set speed. This circuit often uses for signal, indicator and hobby projects. IC 555 timer work in astable mode to give pulses all the time. We can change blink speed with a potentiometer. The circuit power it with 6V battery or 6V […]