NA v1.1.4 Protoshield Variant

Node Assassin :: NA v1.1.4 Protoshield Variant

This version of the Node Assassin hardware is designed to fit on the Arduino Protoshield v.4. It's a little cramped, but it fits.

Part List

• 1x Arduino: Duemilanova
• 1x Network Shield: Assembled
• 1x Proto-Shield: v.4
• 3x Optoisolators: LTV-846 (4 circuits/chip)
• 1x Inverter: 74HC540 (8-channel high-power; drives 8x 10mA LED)
• 1x OR-Gate: 74HC32 (Quad OR Gate)
• 8x Diode: 1N4148 (Diode

Choice:

• 4x LEDs: 350-1839-ND (Bicolor Red/Green, 2x1 stack, common cathode)
• 4x LEDs: Std. small 10mA Green LEDs

Or:

• 4x LEDs: Std. small 10mA Green LEDs
• 4x LEDs: Std. small 10mA Yellow LEDs
• 4x LEDs: Std. small 10mA Red LEDs

Diagrams

Wiring diagram. (See below for The GIMP formatted XCF with layers)

Same design, a little uglier, using normal LEDs.

Four-port Node Assassin v1.1.4, Protoshield variant board layout. Yes, it's pretty crappy, but it gets the idea across. Most of the wiring, resistors and diodes will need to share pin underneath the PCB.

Circuit diagram for the four-port Node Assassin v1.1.4, Protoshield variant.

 

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