Content for Perfboard

3 x 3 x 3 led cube with arduino

“Welcome to my led cube .it’s easy, only thing to do is to learn code. Even I built my cube by referring to some of the instructables website.”

How to make an Universal DC Motor Speed Controller

“Motors are everywhere where and we see them in every application.From Drills to Locomotives , from RC car to lathe machine everywhere there are uses of motors. But the most important characteristic of the motor is ,the need to be …

Quick, dirty and cheap laser engraver

“After playing a while with the “pocket laser engraver” I’ve fabricated folowing the instructable made by Groover, I want to make something bigger with things I already have in my possession. The only thing I’ve bought is a …

RDA5708 FM radio with Arduino

“A FM radio with RDS info and digital volume can be made with RDA5807 module, who is similar as TEA5767 (pcb board & pins).”

DIY IR Remote Tester using TSOP1738

“Home made remote tester using TSOP1738. This circuit helps to test the each button of the remote. When you press a button the led in the circuit blinks.”

DIY mini Amplifier using TDA2822

“Building a homemade amplifier using TDA2822. Follow the steps here or watch the video to make your own amplifier”

DIY Rain Alarm Using 555 Timer

“Building a home made rain alarm. This circuit beeps for about 40 seconds when it detects rain. This circuit uses a 555 timer. This circuit can also be used with pressure sensor or with LDR for detecting light”

Laser Painting with Motion Control and Arduino

“Do you like lasers, motion control, neo-pixels, or glow in the dark art? Of course you do, so why not combine them all! Using various supplies you can ‘paint’ a picture using laser light. Motion control will let you actuate …

Leds and Diodes Tester With USB Power

“I proposes the construction of a leds and diode tester, simple and inexpensive using a USB port for power.”

Make Your Own Smartwatch From An Old Cell Phone

“What Id like to do for this crazy/ambitions project is turn an old cell phone into a smartwatch. So obviously an old cell phone is required. The primary reason for this project is simply that I had an old …