Schematic
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Digibox Interface

4meg ASM Code

1meg ASM Code

Schematic

RC5 Codes

Digibox Codes

Atmel AVR

Channel List

 

All the schematics and layout diagrams have been created in Protel 99SE a brilliant total design environment.

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inteface.gif (20396 bytes)

Check the following links to view a schematic and associated PCB layout drawings for the design to create the Digibox Interface.

images/inteface/inteface.pdf
images/inteface/BottomLayer.pdf
images/inteface/TopLayer.pdf
images/inteface/Top Silkscreen Overlay.pdf
images/inteface/Drill Drawing.pdf

The component list details Maplin part numbers where possible or alternative sources where necessary.

Order Code Description
YH70M Infra Red Emitter
Conrad TSOP1836 Infra Red Transceiver
CH35Q 7805 Value Brand 5v Regulator
HQ77J DIL Socket 20-pin
Kanda Atmel AVR Micro Controllers
QQ14Q BC547 NPN Transistor
  Resistor R1  >10K (Greater than 10K)
  Resistor R2 1K
  Resistor R3 100 ohm
VH41U Capacitor C1 220uF Electrolytic
WW60Q Capacitor C2 1uF Tantalum
SC79L Mini ABS Box 60x35x17mm

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