The post comprehensively discusses the construction procedure of a 1 watt LED lamp using SMD LEDs such as 3528 smd LEDs or 2214 SMD LEDs. I have explained the details. […]
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PWM Solar Battery Charger Circuit
This simple, enhanced, 5V zero drop PWM solar battery charger circuit can be used in conjunction with any solar panel for charging cellphones or cell phone batteries in multiple numbers […]
Simple RGB LED Color Mixer Circuit using LM317 IC
In this post I have explained a simple LM317 IC based RGB 3 watt LED color mixer circuit, which can be used for demonstrating the color mixing effects of red, […]
What’s PWM, How to Measure it
PWM stands for pulse width modulation which signifies the variable nature of the pulse widths that may be generated from a particular source such as a discrete IC, MCU, or […]
How to Make Ultrasonic Remote Control Circuit
This ultrasonic remote control circuit can be used to switch and control any appliance ON/OFF through a relay in the receiver circuit. Written by: S.S. Kopparthy Using Ultrasonic Waves This […]
Laptop Charger Circuit from 12V Battery
In this post I have explained a simple car laptop charger circuit for charging laptops from a 12V car battery using a IC 555 based boost converter. The idea was […]
