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(click picture to enlarge)
diy k154 |
4 Digit Presttable Down
Counter
This is a low cost 4 digit
presettable down counter with output and reset. The count input can be
used for both low and high speed applications. The counter has four
options when count reaches 0. Good example of an Atmel AT90S1200 -
DIY Kit 154.
Specifications:
- L: 2-1/2" W: 2" H: 1/2"
- Requires external 9-12 volt dc @ 50mA power supply.
Circuit consumes 20 to 40 mA depending on how many numbers are
displayed.
(Need a Power Supply?)
- Has 4 Jumper Selectable Events
- 10 Pin SIL Header 0.1" pins
See
CK1613.pdf for complete
details, including schematic and theory of operation. Requires
Adobe Acrobat Reader available at
www.adobe.com
for FREE!
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