Page 215 - Robot Design Handbook ROBOCON Malaysia 2019

Table 2: MR1 PS2 controller layout

Digital
M1a M1b M1c M1d M2a M2b M2c M2d M3 Motion
button

0 1 0 1 1 0 1 0 - Forward

1 0 1 0 0 1 0 1 - Reverse

0 1 0 1 0 0 0 0 - Left

0 0 0 0 1 0 1 0 - Right

0 0 0 0 0 0 0 0 - Stop

- - - - - - - - 1 Speed

3.2 Automatic Robot

The power supply (Li-Po battery) for this robot consists of two parts: the controllers

and motors. Both use 12 V DC Li-Po battery to power up. An emergency stop button is

installed on both connections to immediately cut off the power in case of emergency.
A 5 V 5 A DC to DC converter is used to step down the power distributed from

battery to controllers. The controllers (Arduino UNO and Arduino MEGA) require a 5 V

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