Simple LED Boost Driver Circuit with IC MP3302 is a cool boost converter chip designed to power light-LEDs in different projects. This chip can light up to 27 LEDs arranged in 9 groups with 3 SMD 2835 LEDs in each group all powered by a Lithium-ion battery. What makes the MP3302 special is its ability […]
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Simple PWM Dimmer Circuit for 12V DC Lamp
A simple PWM dimmer circuit for a 12V DC lamp is a great way to control how bright the lamp is while saving energy. The main part of this circuit is the IC 555 timer, which is a popular chip used to create a PWM signal. This signal changes how much power goes to the […]
Light Controlled Switch Circuit using IC LM311 and LDR
A circuit that works as a Light Controlled Switch uses the LM311 integrated circuit along with a Light Dependent Resistor (LDR). This circuit is simple but very useful because it reacts to changes in light levels around it. You can find this kind of circuit in many places, like automatic lights, street lamps and security […]
IC 555 Timer Based Mini Flasher Circuit
A mini flasher circuit that uses the IC 555 timer represents a simple electronic assembly designed to cause an LED to emit light in a blinking pattern at a specified frequency. This type of circuit finds frequent application in various indicator systems, signaling apparatus and projects undertaken by hobbyists. The construction of this circuit utilizes […]
Simple Micro Flasher Circuit using IC CD 4093
A simple micro flasher circuit using the CD 4093 integrated circuit is an easy way to make an LED blink perfect for many indicator uses. This circuit takes advantage of the CD 4093 IC, which has four NAND Schmitt trigger gates. It runs on a 6V battery and only needs a few extra parts making […]
PWM Based Lamp Brightness Controller Circuit
A circuit that controls how bright a lamp shines using pulse width modulation PWM is super useful for anyone who wants to adjust the light of an incandescent lamp to their liking. This PWM Based Lamp Brightness Controller Circuit uses a 555 timer chip set up as an astable multivibrator which helps manage how bright […]