About: Ibrar Ayyub

Temperature and humidity measurement are always a nice addition to hobbyist projects. In my previous post, I’ve discussed the DHT11 sensor, which is capable of measuring both temperature and humidity. They are digital sensor and provide calibrated outputs with temperature and relative humidity. I’ve also demonstrated how to interface with Arduino and display it on […]

miniLOG is a precise standalone voltage logger that save the data on a SD card. It has 4 basic analog channels: – one has 12bit resolution for voltage measurements, – two channels have 10bit resolution for voltage measurements and – one channel has 10 bit resolution for current measurements. Input voltage range is 0-25V and […]

Hello everyone; I was looking for this project for a long time.  Finally I it it together with a lot of effort.  For this project you will need: There is a better explanation from the original project here (as well as other cool projects): http://www.multiwingspan.co.uk/arduino.php?page=bclock Step 1: The schematics Here is the design; mounted in […]

Motivation Though I am a musician I don’t care for calling an expensive hi watt stereo my own. For years I have used a homebuilt stereo amplifier built around the TDA1554Q IC (basically just this chip in a nice box) and I am still very happy with the sound quality. This amp serves as a […]

Nothing puts the fun back into coding like watching your very own creations come to life in the physical world. Luckily, with the current glut of high-tech toys and electronic gadgets on the market, it’s never been easier to experience the thrill of designing your own hardware by modifying what’s already available. A great way […]

In this instructable I will detail how I went about making a quick and easy, Arduino compatible, H-bridge shield. But first, a brief intro into what got me motivated to make it. A couple of years ago, I started wanting to learn more about micro-controllers. This led me to want to make my own robot, […]

Overview The Arduino WiFi Shield connects your Arduino to the internet wirelessly. Connect it to your wireless network by following a few simple instructions to start controlling your world through the internet. As always with Arduino, every element of the platform – hardware, software and documentation – is freely available and open-source. This means you […]

Motivation As you may have seen in earlier articles, I produce my own PCBs at home with the toner transfer method. After some experimentation the PCB quality is quite satisfactory, but drilling the holes for even a moderate number of through-hole components is very tiresome. When you design your PCBs with a proper CAD software […]

Contents Aim To create a device that takes a users input and based upon that input play sounds. I want this ‘synthesiser’ to be simple to play, requiring little or no skill. Therefore, allowing the user to experiment with the sounds they are producing instantly as opposed to learning the technicalities of it first. Research […]

A while ago I needed some small value resistors as current shunts and I started wondering about the feasibility of using traces as resistors. There are many theoretical reasons as to why copper traces make bad shunt resistors, but I found surprisingly little practical data. So with my next OSH Park order, I threw in […]