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Posted July 27, 2014 by Chris
"…The car in front of me drove with his emergency flashers on, and at times all I could see were his lights. At that moment the crazy idea popped in my head – I wonder if I could use a PC monitor and phototransistors to send data to a microchip? I can’t think of any immediate uses for this capability, but perhaps if I make a working prototype I’ll stumble upon some."

Posted July 18, 2014 by Chris
"RFID is known as Radio Frequency IDentification. The technology is able to wireless-ly picking up information from a RFID tag which can be embedded onto most object. Fast and reliable. RFID has helped to rise up our productivity."

Posted June 30, 2014 by Chris
"Contact-less measurement of RPM will be achieved through an IR sensor. An IR diode will send a beam of infrared towards the rotating disc, and any reflected pulse will be received by a photo diode. The resistance of a photo diode drops drastically when exposed to infrared. An infrared is reflected by a white surface and absorbed by the dark ones."

Posted June 14, 2014 by Chris
"This device will work like the normal pickit2. It will work for any pic (5 and 3.3V devices); No mosfets no complex, only one voltage boost circuit and you can program the target without a PC."

Posted May 24, 2014 by Chris
"This project is a small LED matrix sign/display/badge intended as an SMD trainer…I designed this version from scratch to make it a bit bigger to allow the use of larger LED’s (easier to hand solder), and use a “better” microcontroller to allow more creative programming (in C)."

Posted May 18, 2014 by Chris
"An interesting project has come up as a fund-raiser for BuildBrighton members – to “hack” some alarm clocks and modify their behaviour so that instead of playing a single sample when the alarm sounds, one of up to seven different sounds can be played."

Posted May 17, 2014 by Chris
"Capacitors are one of the most common passive electrical components that are extensively used in all kinds of electronic circuits. In this project, we will discuss a technique of building a digital capacitance meter using a PIC microcontroller. This project can measure capacitance values from 1 nF to 99 uF, with a resolution of 1 nF."

Posted May 14, 2014 by Chris
"In this tutorial we are going to drive a Single unipolar stepper motor using PIC18F4550 Microcontroller in various different stepping modes. The source code and Project files are free to download at the end of this page."

Posted March 7, 2014 by Chris
"We have discussed in the past experiments how to use a PIC microcontroller to do a variety of things from flashing an LED to driving a motor, etc. Today, we will see how to play notes of a song with a PIC microcontroller. Musical notes are simply sound waves of particular frequencies."

Posted February 10, 2014 by Chris
"An interesting project has come up as a fund-raiser for BuildBrighton members – to ‘hack’ some alarm clocks and modify their behavior so that instead of playing a single sample when the alarm sounds, one of up to seven different sounds can be played."
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