This RC car is made up of wired remote controller.
I will give you the full schematics.
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Step 1: Materials
1. 4x wheels
2. 4x dc motor
3. cable wire with four pins
4. 4x snap action switchs
5. 2x diodes
6. 1x 12V battery
7. a peice of plastic as the car chasis
8. small cables
Step 2: Mounting the Motors
take the 4 motors and glue it on each corner of the chasis. after this put the wheels into the motors.
Step 3: Making the Remote Controller
You need 2 diodes, 4 snap action switches and small cables. glue two snap switches together. wire as the schematics in the picture.
Step 4: Connecting the Wires on the Motors
Take the positive wire of left front motor and connect it to the positive wire of left back motor. do the same to the negative wire and also to the right front and back motors.
Step 5: Connecting Wires of Remote to the Motors
Now there is four wires coming out of the car 2 on the left and 2 on the right, there is also four wires coming out of the remote 2 on the left and 2 on the right.
Connect the 2 right wires of the remote to the 2 wires of the motors. do the same for the left motors.
Step 6: Finished!!!!!
Put the 12V battery as the schematics and DONE.
HAVE FUN !!!!!