2020-2021 Legal and Illegal Parts List
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2020-2021 Legal and Illegal Parts List
How To Use This Document:
The Legal and Illegal Parts List is intended to provide visuals of the most common legal and illegal
parts. This document is to serve as a guide, however is NOT an all-inclusive list. teams and
volunteers should be sure to read all of the robot build rules in the Game Manual Part 1, and should
always reference the Game Q&A forum for additional build rule clarifications.
Part
Description Picture / Diagram
Number
TETRIX® FIRST®
Tech Challenge
Competition Kit
(Some components
may not be shown
in this illustration)
Please see the
Competition Kit
Parts List for full
details of items
included in this kit.
Revision 1: 7/14/2020 Page | 1
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
REV Robotics
Competition Kit
Please see the
Competition Kit
Parts List for full
details of items
included in this kit.
MATRIX Base Set
MATRIX Resource
Set
TETRIX® Prime
Starter Set
EXCEPT the items
listed under the
W40384
ILLEGAL Parts
List
Revision 1: 7/14/2020 Page | 2
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
• Motorola Moto
G 2nd
Generation
• Motorola Moto
G 3rd
Generation
• Motorola Moto
G4 Play
• Motorola Moto
G5
• Motorola G5
Plus
• Motorola Moto
E4
• Motorola Moto
E5 Play
REV-31- REV Expansion
1153 Hub
REV-31-
REV Control Hub
1595
REV-11- REV servo Power
1144 Module
Revision 1: 7/14/2020 Page | 3
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
REV-31- REV SPARK Mini
1230 Motor Controller
Mini USB to OTG
(On-The-Go) Cable
OTG Adapter
REV-31- Logic Level
1389 Converter
REV-35- FTC Cable
1173 Conversion Kit
Revision 1: 7/14/2020 Page | 4
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
Logitech F310
Gaming Controller
(Not to be used for
robot construction)
Xbox 360
Controller for
Windows
(Not to be used for
robot construction)
PS4 Wired
Controller (Not to
be used for robot
construction)
AndyMark® parts
www.andym EXCEPT those
ark.com/ftc listed in the
ILLEGAL section
NeverRest Series Robot Parts
All part TETRIX® DC
numbers Motors
Revision 1: 7/14/2020 Page | 5
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
Modern
All part
Robotics/MATRIX
numbers
12V DC Motors
AndyMark®
All part NeveRest Motor
numbers Series + encoder
cables
All part REV Robotics HD
numbers Hex Motor
All part REV Robotics Core
numbers Hex Motor
TETRIX
W39129
MATRIX
Power Switches
50-0030
REV
REV-31-
1387
Revision 1: 7/14/2020 Page | 6
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
TETRIX® Servo
TETRIX®
W39197 (*) Continuous Turn
W39177 (*) Servo
(Total combined
limit of 12 per
robot)
TETRIX® Worm
Gear Box
W39375
TETRIX®10:1
W39900
Worm Gear Pack
W39901
TETRIX® 20:1
Worm Gear Pack
TETRIX® Rack and
W39300 Pinion Linear Slide
W39282 Pack
TETRIX® All-
Terrain Tire
(*) For MATRIX Motor/Servo Controllers, currently only MATRIX servos are compatible/allowed.
TETRIX® HS-
755HB Quarter-
Scale Servo Motor
with Horn
W39904
TETRIX® Quarter-
Scale Servo Front
W39380
Mount Bracket
TETRIX® Quarter-
W39383
Scale Servo Frame
W39594
Mounting Bracket
TETRIX® Quarter-
Scale Pivot Arm
with Bearing Pack
VEX EDR 393
Motor (counted as
a servo)
276-2177
Please see rule
for allowed
configuration
Revision 1: 7/14/2020 Page | 7
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
TETRIX® NiMh
Battery Pack
Charger (not to be
W39830 used for robot
W39057 construction)
12V Rechargeable
NiMh
Battery Pack
(Exactly 1 allowed)
Modern Robotics
12V Rechargeable
14-0014 NiMh
Battery Pack
(Exactly 1 allowed)
REV-31-
1302 12v Slim Battery
REV-31- Resistive
1269 Grounding Strap
Anderson Power
REV-31-
Pole to XT30
1385
Adapter
Non-Metallic Cable
Ties
Revision 1: 7/14/2020 Page | 8
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
TETRIX® Tubes (80
mm)
TETRIX® Tubes
(145 mm)
W39074
TETRIX® Tubes
W39075
(220 mm)
W39076
TETRIX® Tube
W39077
Clamps
W39379
TETRIX® Tubing
W39378
Coupler
W39377
TETRIX® Tubing
Corner Block
TETRIX® Tubing
Anchor Block
W39193 TETRIX® Tube
Plugs
TETRIX® Bevel
W38007
Gears & Delrin
W38008
Bearings
TETRIX® Chain
with Links
W39173 TETRIX® 32 tooth
W39171 Sprocket Pack
W39169 TETRIX® 24 tooth
W39165 Sprocket Pack
TETRIX® 16 tooth
Sprocket Pack
TETRIX® 250mm
W35871
Axel
#25 Chain Half-
Lengths
#35 Chain Half-
Lengths
Revision 1: 7/14/2020 Page | 9
The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
TETRIX® Servo
W39020 Horn
TETRIX® Thermal
Fuse for DC Motor
W36465
Protection
Permatex Super
Lube
Note: Any type of
COTS lubricant is
allowed.
(Only to reduce
W20821
friction with the
Robot. Lubricants
are not allowed to
contaminate the
playing field or
other robots).
Any non-reinforced polymer-based plastic sheet material (e.g. polycarbonate, PVC, acrylic,
Plastic Sheet
ABS, Teflon, PETG, etc.) See .
Both materials may
Any metal or be used on the
plastic flat robot.
sheet No limit to size or
quantity.
See .
Any metal or
plastic
extruded
shapes
Revision 1: 7/14/2020 Page | 10The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
Rope, any
Rope size/length
Non-Slip Pad No size constraint
Universal Security
Clips
Modern Robotics
45-2018
Color Sensor
REV-31-
REV Color Sensor
1537
REV-31-
REV Touch Sensor
1425
REV-31- REV 2m Distance
1505 Sensor
Revision 1: 7/14/2020 Page | 11The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
UVC Compatible
Camera
Examples:
Non-
Motorized
Turntables
and Lazy
Susans
PVC, CPVC, or
ABS flexible or rigid
PVC
piping (of any
Refer to
schedule),
Game
Commercial PVC
Manual
couplings (i.e.
Rules See
Tee’s, elbows,
m.
couplings, caps,
etc.) are allowed.
Use only for gluing
PVC. Use of PVC
cements and
cleaners may or
PVC cement may not be allowed
and cleaner in the pits at
tournaments based
on site-specific
rules or
requirements.
Mechanical Compatible nuts,
Fasteners bolts, screws, etc.
Or similar thread-
Loctite®
locking product
Revision 1: 7/14/2020 Page | 12The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
Plastic/Epoxy Glue
or Cement
Rubber Any size and
Bands quantity
Surgical No size or length
Tubing limit
Sample, color may vary
PWM Either purchased or
Extension fabricated by the
cable team
Threaded All-thread & lead-
Rod screw
Power This is an example.
Distribution Similar parts are
Panel/Splitter allowed.
Anderson
Powerpole
connectors
Revision 1: 7/14/2020 Page | 13The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
Linear Slides
Telescoping
Rods
Linear Actuator
Revision 1: 7/14/2020 Page | 14The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
Wago Series 222 Lever-
Connector Nuts
Timing Belts any
size and pitch
Gears of any size
and pitch
Sprockets of any
size and pitch
Pulleys
Springs of any type
used in a safe
manner (Rules
,
Wheels of any type,
and the
manufacturer
provided wheel hub
used to mount the
wheel to an axle
EXCEPT
AndyMark® AM-
2256.
Individual
components of a
legal wheel
assembly can be
used on the robot.
Tank Tread
Revision 1: 7/14/2020 Page | 15The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
Extruded aluminum
pieces from various
manufacturers such
as 80-20,
T-Slot McMaster-Carr,
Aluminum Macron, etc.
All fasteners and
compatible
hardware are
allowed
• Material strictly used for Light Sensor color filter.
• Hook and loop - Velcro, 3M Dual Lock. (May not be used as tape).
• Electrical Tape and Heat Shrink tubing for electrical insulation only
MISC • Plastic Coated Wire Rope
(No Images • Electrical wire
Available) • Aluminum or Nylon/Plastic Pop Rivets
• Magnets
• Washers
• Light Sources per rule
Teams may use additional materials and COTS (Commercial Off The Shelf) components to
construct their robots subject to the following restrictions:
COTS Parts • All raw materials are allowed provided they are readily available to all teams from
(No Images standard distributors (e.g. McMaster-Carr, Home Depot, Grainger, AndyMark®, etc.).
Available) • All post-processed materials are allowed provided they are readily available to the
, majority of teams from standard distributers (e.g. McMaster-Carr, Home Depot,
AndyMark®, etc.).
• COTS parts and assemblies may only have a maximum of a single degree of freedom. It
is the intent of FIRST that teams design and build their devices to achieve the game
Revision 1: 7/14/2020 Page | 16The following parts are LEGAL for the 2020-2021 FIRST Tech Challenge
challenge. Assemblies of COTS components, such as linear slides, and gearboxes are
allowed while a pre-fabricated gripper assembly designed to grab the game elements is
not. Holonomic wheels (omni or mechanum) are exempt from the one degree of freedom
limitation.
• Raw materials, and COTS may be modified (e.g. drilled, cut, painted, etc.) provided no
other rules are violated.
Revision 1: 7/14/2020 Page | 17Part
Description Picture / Diagram
Number
Modern Robotics
AUL3025 Core Legacy
Module
Modern Robotics
AUA3030 Core Device
Interface Module
Modern Robotics
AUM3020 Core Motor
Controller
Modern Robotics
Core Power
AUP3010
Distribution
Module
Modern Robotics
AUS3015 Core Servo
Controller
HiTechnic Servo
Controller
W991445 (*)
HiTechnic DC
W991444
Motor Controller
Revision 1:7/14/2020 Page | 18Part
Description Picture / Diagram
Number
Legacy Sensors
(LEGO and NXT)
Microprocessors
such as Raspberry
Pi or Arduino
W34243 or TETRIX® R/C
W36117 Controller
TETRIX® R/C
W35496 Receiver
TETRIXT® DC
W34244 Motor Speed
Controller
Infrared Electronic
W991458
Ball
TETRIX® Battery
W739136 Holder
Revision 1:7/14/2020 Page | 19Part
Description Picture / Diagram
Number
TETRIX® Wireless
W37291
Camera Kit
TETRIX®
Autonomous
W37799
Mounting Deck
TETRIX R/C
W37663
Mounting Deck
Revision 1:7/14/2020 Page | 20Part
Description Picture / Diagram
Number
W40234 TETRIX® Prime
Gripper Arm Kit
TETRIX® MAX
W44609
Gripper Arm Kit
TETRIX® Prime 6
W40235 V NiMH Battery
b.i. Pack
LEGO® # LEGO® Power
W778881 & Function Battery
W778878 Packs
AndyMark® 4 inch HiGrip
AM-2256 Wheel
Revision 1:7/14/2020 Page | 21Part
Description Picture / Diagram
Number
Rough top Tread
LEGO® EV3 or
LEGO® NXT
NSX2020 HiTechnic Sensor
Multiplexer
XL Power
Function Motor
W778882
E Power Function
W979670
Motor
W978883
M Power Function
Motor
HiTechnic
NPT1050
Prototype Board -
Solderable
HiTechnic
NPT1055
Prototype Board -
Solderless
Revision 1:7/14/2020 Page | 22Part
Description Picture / Diagram
Number
SPR2010 HiTechnic Super
Prototype Board
Revision 1:7/14/2020 Page | 23You can also read
