Electronics Bill of Materials
This is a recommended Bill-Of-Materials for the electronics of your bot. Parts in the category “PCB” are required to populate the PCB. All other parts are up to your preference.
*If you are a Thomas J. Watson College of Engineering and Applied Sciences student competing in the 2022-2023 Watson Combat Robotics League, these parts are provided for you on the WCRL shelf in EB B1. Please contact @executive in the discord with any questions.
| Category | Part Name | Part Description | Quantity | Unit Cost | Total Cost | Primary Link |
|---|---|---|---|---|---|---|
| PCB | PCB* | WCRL_Board_V3 | 1 | $1.00 | $1.00 | Github Link |
| PCB | TB6612FNG DC Motor driver* | DC Motor Driver | 1 | $14.06 | $14.06 | Digikey Link |
| PCB | Arduino Nano* | Mini Nano V3.0 Module ATmega328P 5V 16MHz CH340G Chip Microcontroller Development Board for Arduino Without USB Cable | 1 | Price varies $5-$25 | $8.33 (estimated) | Amazon Link |
| PCB | Female Header Pins* | Cut the length of the Female header pins to the length required for the Nano and TB6612FNG | 4 | $0.18 | $0.72 | Amazon Link |
| PCB | 1k Resistor* | 1k Resistor | 1 | $0.02 | $0.10 | Digikey Link |
| PCB | 2k Resistor* | 2k Resistor | 1 | $0.02 | $0.10 | Digikey Link |
| PCB | 200 Ohm Resistor* | 200 Ohm Resistor | 1 | $0.02 | $0.10 | Digikey Link |
| PCB | JST-XH 2 Pin* | JST-XH 2 Pin | 3 | $0.03 | $0.09 | Amazon Link |
| PCB | JST-XH 3 Pin* | JST-XH 3 Pin | 4 | $0.03 | $0.12 | Amazon Link |
| PCB | JST-XH 4 Pin* | JST-XH 4 Pin | 1 | $0.03 | $0.03 | Amazon Link |
| PCB | XT-30-PW-F* | XT30 Board Mount Connectors - Female | 2 | $0.96 | $1.92 | Amazon Link |
| PCB | XT-60-PW-F* | XT60 Board Mount Connectors - Female | 1 | $2.00 | $2.00 | Amazon Link |
| PCB | LED* | LED Indicator of Board Power | 1 | $0.30 | $0.30 | Amazon Link |
| Battery | 11.1V 120C 1300mAh 3S Battery with XT60 Plug* | 11.1V Lipo Battery | 1 | $13.05 | $13.05 | Amazon Link |
| Bluetooth Transciever | DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano | Bluetooth RX module | 1 | $10.99 | $10.99 | Amazon Link |
| BLDC | DJDK Brushless Motor 2300KV | Brushless Motor | – | $15.99 | – | Amazon Link |
| ESC | FLYCOLOR 30A Brushless ESC 2-4S with 5V 1A BEC for RC F450 Airplane Durable Quadcopter Helicopter | ESC for the BLDC Motors | – | $15.99 | – | Amazon Link |
| DC Motor | Fielect DC 6V 200RPM Mini Metal Gearwheel Micro Speed Reduction Motor Mini Gear Box Motor GA12-N20 | DC Motor: Also look for any similar motor that is around 200 RPM, affordable, timely, and n20 | – | $13.40 | – | Amazon Link |
| DC Motor | FingerTech “Silver Spark” 16mm Gearmotor 33:1 | DC Motor: [This is an alternative to the other DC Motor, for the price increase they are slightly more durable] | – | $18.69 | – | Palm Beach Bots |
| Servo Motor | Miuzei 20KG Servo Motor High Torque RC Servo Metal Gear Waterproof for R/C Model DIY Car Robot, DS3218, Control Angle 270° | Combat attachment motor for rotations of a precise angle at high torque [Optional Alternative to BLDC] | – | $12.99 | – | Amazon Link |
| Power Switch | XT60H (XT60 Upgrade) Male Female Bullet Connectors* | 2 Pairs of connectors for the power switch | 2 | $0.67 | $1.34 | Amazon Link |
| Power Switch | BNTECHGO 12 Gauge Silicone wire spool red and black* | 1 ft red, 1 ft black | 1 | $1.20 | $1.20 | Amazon Link |
| Power Switch | XT60EW-M Mountable XT60E Male Plug* | Need male OR female | 1 | $1.00 | $1.00 | Amazon Link Amazon Link |
| ESC to BLDC Connectors | MR30 Connectors* | Need 1 for each ESC to BLDC Connections | – | $1 | – | Amazon Link |