Week0: Componment Request & Role Allocation

Componment Selection

Onboard PC

Raspberry PI 5 4GB

• RPI4 is also acceptable for limited budget, but better performance means higher frame rates.
• link
• £59.51 Inc. VAT

Official Raspberry Pi 5 Case, Red and White

• Optional, but better protection
• link
• £9.92 Inc. VAT

32GB UHS-I U3 Class 10 MicroSDHC Memory Card

• Can be replaced by a lower category one
• link
• £16.19 Inc. VAT

Dual Interface USB 3.1 Gen 1 SD / MicroSD Card Reader

• Optional, can be borrowed from the lab
• link
• £13.66 Inc. VAT

Raspberry Pi 4 Micro HDMI to HDMI Lead, 2m White

• link
• £5.65 Inc. VAT

XP POWER DTJ1524S05 Isolated Chassis Mount DC/DC Converter, ITE, 4:1, 15 W, 1 Output, 5 V, 3 A

• link
• £28.36 (ex VAT)

Camera

Requirements:

• medium pixel count (>=1mp)
• high frame rate (>=60fps)
• global shutter (to avoid jello effect)
• usb connection

There are several options…

Raspberry Pi Global Shutter Camera

• CSI connector, need to install some custom kernel driver
• link
• £49.92 Inc. VAT

C930e Full HD Webcam for Business

• 90° FOV
• FHD
• link
• £111.11 Inc. VAT

C270 HD Webcam

• poor proformance
• link
• £25.98 Inc. VAT

MCU

Arduino UNO SMD Rev3

• link
• £19.97 Inc. VAT * 2

IMU

options:

Adafruit 2472 9-DOF Absolute Orientation Inertial Measurement Unit IMU Breakout

• link
• £36.07 (ex VAT)

DFROBOT SEN0250 I2C BMI160 6-Axis Inertial

• link
• £8.48 (ex VAT)

LED

DFROBOT DFR0021-W Add-On Board, LED Light Module, White, Gravity Series

• link
• £1.54 (ex VAT) * 4

Button

DFROBOT DFR0789-G LED Switch, Gravity, Green, Arduino Board

• link
• £2.88 (ex VAT) * 2

DFROBOT DFR0785-R LED Button, Gravity, Red, Arduino Board

• link
• £3.24 (ex VAT) * 2

Motor

options:

Micro Gear DC Motor, Brushed, 6V, 1500rpm

• order now, available 1/1/2024
• link
• £12.54 Inc. VAT * 4

DFROBOT FIT0458 Micro DC Motor, TT Geared, Encoder, 6V, 160RPM, 120:1, L Shape

• low torque
• link
• link
• £8.50 Inc. VAT * 4

12V Gear DC Motor, Brushed

• hard to integrate
• link
• £30.38 Inc. VAT * 4

Motor Driver

DFROBOT DRI0039 Quad DC Motor Driver Shield

• link
• £12.32 (ex VAT) * 2

Battery

Samsung, ICR18650-26F, 3.7V, 18650, Lithium-Ion Rechargeable Battery, 2.6Ah

• link
• £12.48 (ex VAT) * 2

DFROBOT FIT0538 Battery Holder, DC 2.1 Power Jack, 18650 Model, 7.4 V, 2 Cell

• link
• £1.64 (ex VAT) * 2

Ansmann 1001-0050 Lithium 2 Charger

• link
• £13.28 (ex VAT)

Other

Rapid RW-D40-FF Jumper Wire Ribbon Dupont Cable F-F 40 Way Ribbon 200mm

• link
• £7.89 (ex VAT) * 2

Rapid RW-D40-MM Jumper Wire Ribbon Dupont Cable M-M 40 Way Ribbon 200mm

• link
• £8.33 (ex VAT) * 2

R-TECH 341320 Solderless Breadboard Transparent 400 Points

• link
• £2.99 (ex VAT) * 2

Mechanical

TBD

• I’m still looking for mecanum/omni wheel on supplier website :(
• Structres can be either laser cutting or 3d pringing.

Role Allocation

Name	Role	Description
Linxuan Biao	Team Leader & ROS Developer	Oversees project progress, integrates Apriltag and odometry data with ROS 2 for path scheduling.
Ce Wang	Embedded Developer	Programs microcontrollers for motor control and encoder interfacing, integrates IMU data.
Chaosho Han	Hardware Developer	Designs and assembles vehicle hardware, including actuators and sensor integration.
Lu Chen	Project Manager	Manages timelines, resources, and ensures project milestones are met.
Jingyi Liu	Technical Writer	Documents project development, prepares reports, and maintains technical documentation.