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Ever wanted to use an old CD-ROM drive as a CD player for audio playback? Now you can do it, with this nifty CD-ROM Playback Adapter. It can control one or two CD-ROM drives and has an infra-red remote control. A 16×2 line LCD screen provides track information and other data. WE have often been asked how to interface a hard drive or computer CD-ROM drive to a microcontroller |
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This high-security 3-button UHF transmitter and receiver can be used for keyless entry into homes and commercial premises and for controlling garage doors and external lighting. Three separate outputs on the receiver can be used to activate various electrical devices such as a door strike, a motorised garage door and 230VAC lights. Up to 16 transmitters can be used with the one receiver so it's even suitable for a small business. |
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This project uses POV to produce a spectacular glowing display on a rotating push bike wheel as you ride along.So what is POV? It stands for ‘Persistence Of Vision’. It’s a term that’s applied to devices that rely on the human eye’s tendency to ‘see’ an image for a short time after it has disappeared. |
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The circuit uses an LPC2103 microcontroller connected to a 22-bit analogue-to-digital
(A/D) converter to measure charge and discharge currents, battery voltage, charge status (or available capacity) and the instantaneous power being supplied to or drawn from the battery. |
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Thinking about incorporating an LCD in your next design? It isn’t too difficult, especially if all
you’re looking to do is display your data as a set of numeric digits. Driving LCDs with Microchip and Atmel Micros.
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This data logger is used to save the values of four analogue channels supplying any voltage ranging from 0 to 5V onto a standard memory card (SD - Secure Digital).
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In this series of articles we present a range of projects using the serial (RS232) port, controlled using simple programs written in Visual Basic.
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P89LPC900 ISP Programmer 
Under the moniker of P89LPC900, Philips have introduced an entirely
new family of 80C51 successors that have a number of pins ranging from
8 to 80 and are all based on an (In-System-Programmable) flash memory.
...and it is still fully compatible with the 80C51 family... |
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The Ever Shrinking uC
Six Pins and One MIP — If You Can See It!
Experiment with PIC10F20X family of u-Controller.
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Versatile 4-Input Audio Mixer 
...with tone control and built-in head-phone amplifir. each of which can be configured to suit a wide range of
signal sources: microphones, guitar pick-ups, tape decks,
synthesisers or CD players.
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