About: Ibrar Ayyub

One of the most enjoyable part of being an electronics person is creating your own gadgets and using them in daily life. In this article, we are building one of those with the help of SoloPCB design tools, a digital desk clock with temperature display feature. The brain of the circuit is a Microchip PIC18F252 […]

Technical specification Supply voltage: 6 to 10 V Supply current: <5 mA Max. output current: 40 A Processor: PIC16C84 Connection: 3-pin plug Application: model boat, car, plane Versions: unidirectional or bidirectional Motor brake: internal with unidirectional version Thermal protection: at 120°C Radio-controlled (R/C) modelling seems to fascinate many electronics enthusiasts. This technical hobby is a […]

Whether they’re for sensors in artificial skin that demands flexibility or for wearable electronics where the circuits must withstand our sweat, silicon-based chips aren’t always up to the task. Now, an international research team has developed a way to fabricate flexible, water-loving logic circuits and sensors without the need of semiconductors. Instead, what the researchers have done is coat gold […]

With my Grandma’s birthday fast approaching I wanted to put something together that was not too complicated but still sweet enough to make for a cool widget gift. Since fading LEDs never seem to go out of style and grandmas always love to see a heart, putting two and two together here was a no-brainer. […]

Ethernet has traditionally been a quite complex interface. All Ethernet chips until today had 100 pins or more, where difficult to find in small quantities and difficult to use from a small microcontroller with little memory. Microchip has changed the world with their new ENC28J60 Ethernet chip! The ENC28J60 is a small chip with 28 […]

@ device pic16f877 define osc 20 define adc_bits 8 adcon1 = 7 trisa = $ff trise = $00 trisc = $00 trisd = $00 digit var byte num var byte disp var portd num =12 loop: gosub display goto loop end display: digit = num dig 0 lookup digit,[$40,$79,$24,$30,$19,$12,$02,$78,$00,$10],disp high porte.0 pause 1 low porte.0 […]

IMO, KiCad is one of the best EDA tools out there, with just one major problem: Bill of Materials management is rough. If you make more than 1 board a year, you probably know how frustrating it can be to get everything together for an order. There are multiple ways to export a BOM (each […]

A clap switch is a fun project for beginners. It switches on and off electrical appliances with a sound of clapping hands. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. It uses an electret microphone as a transducer for converting a clapping […]

This is a very simple and accurate power guard circuit. This circuit is useful to guard the electronic or electrical devices from mains transients and spikes. Very high spikes can develop at power on due to sparking in the switch and more serious effects occur when power resumes after a power failure due to high […]

XMOS is shipping its  xCORE-AUDIO processor family and sampling its Gigabit Ethernet enabled xCORE-200 multicore microcontroller family.  “There’s a big trend for much better audio content,” XMOS CEO Nigel Toon told EW, “there’s a backlash against MP3. They’re going to much higher quality helped by the fact that  you can now transfer big audio files. Sony is pushing […]