Hardware Assembling¶

Assembling Motor¶

Assemble 4 motor to the bottom plate.

Note

Keep the vertex angle of the triangle sticking upward.

For the convenience of later assembly, please mark the number(1, 2, 3, 4) on the socket of the 4 motors.

Insert the Encoding Disk into the motor, then assemble the Photo-interrupter module from bottom to top.

Note

Keep the Encoding Disk on the motor away from the Photo-interrupter module to avoid the potential abrasion.

Have the Grayscale sensor module be under the head of the car.

Assemble the battery holder to the top plate and put the battery in.

Note

To get the battery out of the holder easily, you can wind the battery with ribbon like this.

Assemble the servo from bottom to top.

Note

The output axis is to face outwards.

Connect the modules properly with the guidance of the marks on the 4WD-Hat board.

Note

For good appearance, you need to make sure that all the wires go through the bottom plate of the car to the HAT on the upper plate of the car.

Note

Assemble the servo arm only when the Raspberry Pi is energized and the command 「picar-4wd test servo」is running.