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December 08, 2004
The final parts list
Parts as listed on the schematic
Basic Microcontroller Setup
1 PIC chip: Microchip: 18F452
1 10 k? resisitor (pull up reset pin)
1 4 Mhz clock: SparkFun: Comp-XTAL, HC49/UA Package
2 22 pF capacitor (for clock)
1 1 k? resistor (for system check LED)
1 regular LED (system check LED)
Motors
1 H-bridge: Texas Instruments: SN754410NE
2 motors: Solarbotics: GM8
2 green LED (direction status)
2 red LED (direction status)
2 1 k? resistor (for status LED)
Power Setup
1 Switch
2 heavy duty heat sink: ANGLIA: TV5, Farnell: 170-072
2 5V regulator: TIP7805
2 diodes
2 100 µF capacitor
2 0.1 µF capacitor
Sensors
1 IR detector: Sharp: GP2D12
3 phototransistor: Ledtech: LT9593-91-0125
3 22 k? resisitor:
0 ultra-sonic movement detector: Jameco: 125090 , MFG#:DK20(6020 KT)
1 Super Bright LEDs: Sparkfun:Comp-SBL
3 1 k? resisitors (for phototransistor status lights)
3 yellow LEDs (phototransistor status lights)
3 0.001 µF capacitors (future: to even out signal)
Posted by cm1002 at December 8, 2004 06:03 PM