Step 1: Materials
Here are the materials you will need for this project:
-Parallax Homework Board
-12V Car Battery
-DNA Motoring Central Lock System (3 slave 2 wires-actuators, 5 wires actuator, and 1 master)
-10k Ohm Linear Taper Potentiometer
-TIP 120 NPN-D Transistor
-Extra Wire(22 AWG Hook-up Wire)
-Industrial strength Velcro
Step 2: Step One
Step 4: Step Three
-For extra grip, you can use the duct tape.
Step 7: Step Six
Step 8: Step Seven
-you only need one power diode, the rest are in case one of them burns out.
-If you get the same power diodes and potentiometer that we got, you will need to solder the diodes to some hookup wire.
-The potentiometer is adjustable, adjust it accordingly to how much power you want
Here is a useful website for wiring the board up: