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. The circuit uses a lithium-ion battery as its power source, moreover, the MP3302 IC provides a stable current and drives […]
DIY Projects
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, also main part of this circuit is IC 555 timer chip which make PWM signal. Furthermore, PWM signal change power to lamp by duty cycle and IC 555 timer works like astable multivibrator at 2.8KHz which is […]
Light Controlled Switch Circuit using IC LM311 and LDR
This article talks about Light Controlled Switch Circuit using IC LM311 and LDR, as 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 and main thing is about voltage comparator with LM311 IC. Then LDR sees light […]
Simple Micro Flasher Circuit using IC CD 4093
Simple Micro Flasher Circuit using IC CD 4093 is easy way to make LED blink for many indicators, also CD 4093 has four NAND Schmitt trigger gates inside. In addition, circuit runs on 6V battery and need few parts only which is very simple and good and its flashing happens because one NAND gate turn […]
PWM Based Lamp Brightness Controller Circuit
The circuit control lamp brightness with PWM, and it is good for adjusting incandescent lamp light; also it uses 555 timer as astable multivibrator to control low-power lamp. PWM controls power to lamp and changes brightness easily and this PWM Based Lamp Brightness Controller Circuit runs on 6V battery and works for many lighting needs. […]
Rotating LED Array Circuit using IC 555
The Rotating LED Array Circuit using IC 555 works like an LED flasher and creates a rotating light effect when we arrange the LEDs correctly, hence, this simple project is easy to build and delivers impressive results. Furthermore, we can use this circuit for decoration, emergency light or alert and this circuit gives two IC […]