Making a Robot : The Parts List (Mousey bot)

Mousey the Junkbot requires the following parts

• (2) light sensors (taken from mouse)


• (1) SP/ST toggle switch (Solarbotics Part #SWT2)


• (1) junked computer mouse (or new el cheapo one)


• (2) small DC motors (highly recommended: Solarbotics Part #RM1)


• (1) double-pole/double-throw (DP/DT) 5V relay (Solarbotics Part #RE1)


• (1) LM386 audio operational amplifier (Solarbotics Part #LM386)


• (1) SP/ST touch switch (taken from mouse)


• (1) 9V battery snap


• (1) 9V battery


• (1) 2N3904 or PN2222 NPN-type transistor (Solarbotics Part #TR3904/TR2222)


• (1) 1kW 20kW resistor


• (1) 1kW resistor


• (1) 10mF to 100mF electrolytic capacitor


• (1) Light-Emitting Diode (LED)


• (2) spools of 22- to 24-guage stranded hook-up wire (one black, one red)


• (4) 6 1/2-inch pieces of 22-guage solid hook-up wire (two red, two black)


• (1) wide rubber band (or flexible LEGO tubing)


• (1) small piece of scrap plastic (about 1/4 inch x 2 1/2 inch)


• (1) small piece of Velcro or two-way tape (optional)

The Essential robot Tools & Supplies List

To construct Mousey robot, you'll need these tools:

• Rotary (Dremel) tool (required)


• Cut-off wheel for Dremel tool (a piercing or jeweler's saw works well too)


• Needlenose pliers


• Screwdriver set


• Soldering iron & related soldering tools & supplies


• Breadboard & hook-up wire


• Superglue


• Hobby knife


• Wire cutters