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GF 165 04-05-2010 1 of 9

THE GADGET FREAK FILES CASE #165

Analog Clock Measures Time in Meters

Alan Parekh took a different approach to time keeping with his electronic clock that registers

hours, minutes, and seconds on individual multimeters. A microcontroller keeps track of time and

calculates the current each meter needs to move its needle at the proper rate. A separate MCU

output drives each meter. Instead of simply lining up the meters, Alan also created a unique way

to display them. Build the circuit now: Time waits for no one!

This Gadget Freak project requires some knowledge of PIC microcontrollers and how to program

them. Alan provides both hexadecimal code ready for use as well as source code written in

PICBASIC PRO. Download these two files and a larger version of the schematic diagram at:

www.gfreak.com/GF165/GF165.zip.

View Alan's video at: http://alan-parekh.com/multimeter_clock.wmv.

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GF 165 04-05-2010 1 of 9 THE GADGET FREAK FILES CASE #165

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GF 165 04-05-2010 2 of 9 How It Works Three outputs on a

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GF 165 04-05-2010 3 of 9 M eter S cal e R esistor to U

GF 165 04-05-2010 4 of 9 When the clock first receives pow

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GF 165 04-05-2010 5 of 9 Alan used the PICBASIC PRO comp

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GF 165 04-05-2010 6 of 9 Quasar Electronics in the UK sell

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GF 165 04-05-2010 7 of 9

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GF 165 04-05-2010 8 of 9 Parts List

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GF 165 04-05-2010 9 of 9 A mt Par t Description Allied

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Craftsman 25332 Bedienungsanleitung