1. Wiring the PIC Robot

2. Microcontroller Circuit Left Sensor Right Sensor Left Motor Right Motor To PIC Programmer 8 11 10 L293D 2 345 6 78 15 141312 1110 916 16F684 2 345 6 7 13 121110 98 14 LM293 2 34 7 65 8 Servo Motor 330Ω Variable Resistor 680  Left Right 680  680Ω To 6V Battery Pack 100uF LM7805 0.1uF To 9V Battery Power

3. Electronic Parts List Breadboard (re-use from grade 11) PIC16F684 - I/P microchip L293D - H-Bridge Driver IC 7805T voltage regulator 3 x 0.1 uF and 1 x 100 uF capacitors 3 x 680-ohm, 1 x 330-ohm resistors 9V battery strap, 6V batter case 12 header pins (snap-off in 5, 3, 2, and 2 pin sections) Wire: 22 awg solid (breadboard), stranded wire (motor), ribbon cable (sensors) Sensor cct: LM293 comparator 3386P-1-103 potentiometer Sensors QRD1114 (2) Resistors 10 K and 220 ohm (2 each)

4. Mechanical Parts List Mechanical –GMPW - GM8 Wheel Kit (224:1 motor, tread, wheel) –GMB28 Motor Mounting Brackets –Swivel caster wheel –#4 tapping screw (mount bracket & to motor) – 2 each –#4-40x1/2” bolts (mount bracket & to chassis – 4 each –#4-40 nut – 4 each –#6 -32 x 3/4” Bolts (mount castor) – 2 each –#6 -32 Nuts (castor)– 2 each

5. Infrared Sensor Layout (bread board or strip board) QRD1114 10 K ohm 220 ohm + 5 V Signal 0 V