

Autonomous 3kg sumo
- Size
- 83.5 × 57 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 37
- Nets
- 72
- Pads
- 155
- Tracks, vias
- 268, 13
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 1 Apr 2017
- Updated
- 27 Oct 2026
Overview
Pcbn't is an open-source printed circuit board by RoboJackets, from the RoboJackets/robowrestling repository on GitHub, published under the MIT licence. It is a 2-layer board of 83.5 × 57 mm with 37 parts on 72 nets, routed with 268 tracks and 13 vias.
It is built around the R-78K5.0-0.5, ROB-14450 and DEV-16771. Its parts include 11 connectors, 5 capacitors, 4 resistors, 4 ICs and 4 diodes.
Main components
3R-78K5.0-0.5
SIP,11.5x7.6mm-40℃~+90℃ 1 10.2mm 11.5mm 1mA 500mA 5V 6.5V~36V 7.55mm 700kHz 85mVp-p 92% Short Circuit Protection、Under Voltage Protection SIP,11.5x7.6mm Isolated Power Modules ROHSRECOM PowerIsolated Power ModulesROB-14450
-Power Management - Modules ROHSSparkFun ElectronicsModulesDEV-16771
-- New Arrivals ROHSSparkFun ElectronicsUncategorised
README
README.mdRoboWrestling Current Competitions
auto-3kg-sumo
autonomous 3kg sumo
- Spring 2023- Robogames(first comp in forever!) - 2nd place
- Fall 2023 - All-Japan Robot Sumo Tournament - Knocked out first round (1-2), Grudge match(1-2)
- Spring 2024- Robogames - TBD
Current PCB support
Gucci v3 (assembled) Kirbi v2 (assembled) Spici v2 (missing parts, need redesign)
Work In-Progress
EAGLE->KiCAD conversion Radio Board Redesign Control Board Redesign Power Distribution Board Updates
File organization
Each bot consists of a Control Board + Power Distribution Board + Radio Board Power Distribution and Radio Board are shared between all Bots 500g bots are in the 500g folder
Parts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | Screw_Terminal_01x03 | TerminalBlock:TerminalBlock_Xinya_XY308-2.54-3P_1x03_P2.54mm_Horizontal | J1, J2, J3, J4, J5, J6 |
| 5 | LOGO | LOGO | G***, G***, G***, G***, G*** |
| 4 | LED | LED_SMD:LED_1206_3216Metric | D2, D3, D4, D6 |
| 4 | R_US | Resistor_SMD:R_0805_2012Metric | R2, R3, R4, R5 |
| 3 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1, C4, C5 |
| 2 | MountingHole | MountingHole:MountingHole_2.5mm | H1, H2 |
| 2 | R-78K5.0-0.5 | pleseowrk:voltageregulator | U3, U4 |
| 2 | Screw_Terminal_01x02 | TerminalBlock:TerminalBlock_Xinya_XY308-2.54-2P_1x02_P2.54mm_Horizontal | J11, J12 |
| 1 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 10 uF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | Battery | Connector_AMASS:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J7 |
| 1 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | Conn_01x08_Pin | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J8 |
| 1 | DEV-16771 | pleseowrk:teensy | U1 |
| 1 | Fuse | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | ROB-14450 | pleseowrk:driver | U5 |
| 1 | SW_SPDT | pleseowrk:switch | SW1 |
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Questions
How big is the Pcbn't PCB?
It measures 83.5 × 57 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pcbn't use?
37 parts, built around the R-78K5.0-0.5, ROB-14450 and DEV-16771. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Pcbn't KiCad files?
From the RoboJackets/robowrestling repository on GitHub, at the commit this page was made from: the board is 500g/Rata2i2.0/pcbn't/Schematic/Schematic.kicad_pcb and its schematic 3kg/Ferrarii/CustomML2/CustomML2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pcbn't design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).