User Guide

Contents
Introduction .............................................................................................................................................. 1
Components ............................................................................................................................................. 2
A. Acrylic Plates .............................................................................................................................. 2
B. Mechanical Fasteners .............................................................................................................. 3
C. Drive Parts ................................................................................................................................... 4
D. Electrical Components ............................................................................................................ 5
E. Self-provided Parts .................................................................................................................... 8
Electrical Components Basics ............................................................................................................... 9
A. Raspberry Pi ................................................................................................................................ 9
B. Step-down DC-DC Converter Module ............................................................................... 10
C. Servo .......................................................................................................................................... 10
D. DC Motor Driver ....................................................................................................................... 11
E. USB Wi-Fi Adaptor .................................................................................................................... 11
F. Servo Controller ....................................................................................................................... 12
G. 18650*2 Battery Holder ........................................................................................................... 12
Assembly .................................................................................................................................................. 13
A. Back Half Chassis + Rear Wheels ......................................................................................... 13
B. Back Half Chassis + Copper Standoffs ............................................................................... 15
C. Upper Plate + Copper Standoffs ......................................................................................... 15
D. Battery Holder .......................................................................................................................... 17
E. Back Chassis + Upper Plate................................................................................................... 18
F. Electrical Module Assembly .................................................................................................. 19
Circuit Connecting ................................................................................................................................ 20
Servo Calibration（Operation on Raspberry Pi） ........................................................................... 29
A. Burn the image ........................................................................................................................ 29
B. Car Power Supply.................................................................................................................... 30
C. Log into Raspberry Pi .............................................................................................................. 30
For Linux or Mac OS X Users................................................................................................... 30
For Windows Users ................................................................................................................... 32
D. Get Source Code.................................................................................................................... 33
E. Install python-dev, python-smbus........................................................................................ 33
F. Setup I2C Port .......................................................................................................................... 33
G. Start calibration ....................................................................................................................... 33
Continue to Assemble .......................................................................................................................... 35
A. Front Wheels ............................................................................................................................. 35
B. Steering Linkage + Servo Rocker Arm ................................................................................. 37
C. Steering Servo + Upper Plate ................................................................................................ 38
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