Content for PCB

Personal Home Assistant

“I am very keen about science and technology. So, I wanted to apply engineering in reality that how can technology help us. At that time, I was in the last year of my curriculum, I visited Ahmedabad Blind People Association …

A Simple Electronic Game

“You are learning how to make a small very funny electronic game. You can play with your friends and test your reflex.”

Build a Dual Thermostat for Precise Preset Temperatures

“It’s not a complicated concept. It’s not even terribly difficult to implement. It’s just that I really don’t understand why no one produces a product like this I have a heated shop and a heated garage …

Capacitor Tester / Capacitance Meter

“If, like myself, you’ve got an enormous stash of unlabelled electronic components that seem to look like capacitors, it’s probably a good idea to either throw them away or test them with a capacitance tester. Furthermore, there’s …

eDOT - Arduino Based Precision Clock and Weather Station

“eDOT is an Arduino based precision clock and weather station with built in IR remote receiver and automatic brightness adjustment. The device has been designed to be easily expanded with additional hardware like WIFI module or other. Thanks to its …

HDDJ: Turning an old hard disk drive into a rotary input device

“A couple of years ago we built a fun system that would allow DJs to mix music tracks in interesting ways. Our design called for an input device that would allow the DJ to quickly seek through a track and …

Home Guarduino - IoT Connected Security System

“PROBLEM: We moved into a new house a couple of years ago, and it already had a security system installed. Problem was that nobody knew the password! The previous owners never used it, and the manufacturer had gone out of …

Recover bricked attiny using arduino as high voltage programmer

“Hi! Today I’ll explain you how to recover your bricked ATtiny microcontroller using your Arduino board. ATtinys are very popular due to their small form factor yet very powerful. While working with them you may accidentally brick the ATtiny …

AVR: Attiny 2313 & Attiny84 V-USB Media Volume Control

“My most rewarding projects are the ones which i actually use. I like my audio gear so, this was the perfect companion project! On my desk i have a headphone amplifier for my AKG K702’s headphones, below it i …

Business Card/Game Console: ATtiny85 and OLED Screen

“Today I’m going to show you how you can build your own business card/game console/whatever you can imagine that features a backlit I2C OLED display and an ATtiny85 Microprocessor. In this Instructable I’ll tell you how …