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Sumec

bismarx-v1·Sumec-MiniSumo-HW·main_hw/SUMEC_MK_III/sumec.kicad_pcb

Sumec PCB layout, top view — open source ESP32 board by bismarx-v1
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About the Sumec PCB

Sumec is an open source ESP32 PCB design by bismarx-v1, published on GitHub. It is a 2-layer board measuring 95 × 55 mm, with 54 components from 34 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the DRV8874PWPR, USBLC6-2SC6, TSOP382xx, LM1084-5.0 and LM1084-3.3. By type, the board carries 19 capacitors, 11 connectors, 9 resistors, 7 ICs, 4 switches and 4 diodes.

It belongs with the robotics & motion designs in this gallery.

From the project

SUMEC is a MiniSumo robot designed by SPŠ na Proseku students. This repository contains hardware source for this project - PCB files and other electronics.

SUMEC - is an autonomous MiniSumo robot, that is designed to compete in MiniSumo competitions. MiniSumo robots are small 100mmx100mm autonomous robots that combine electronics, software and mechanics into one project, their task it to push their opponent out of a ring. This project is led and managed by SPŠ na Proseku students.

Project Contributors: - Antonín Havlík - Head Software Developer - Šimon Šťastný - Head Mechanical Designer and Developer - Jonáš Jarý - Mechanical Developer, Software and Hardware Development Assistant - Lukáš Houdek - Mechanical Designer and Developer, 3D Printing…

Main components on the Sumec

DRV8874PWPRESP32-S3-WROOM-1USBLC6-2SC6TSOP382xxLM1084-5.0LM1084-3.3

Sumec bill of materials (BOM)

54 components, 34 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
DRV8874PWPR
IC1, IC2
1
ESP32-S3-WROOM-1
U1
1
USBLC6-2SC6
U2
1
TSOP382xx
U3
1
LM1084-5.0
U4
1
LM1084-3.3
U5
1
Conn_01x04_Pin
J1
1
Conn_01x01_Pin
J2
1
TYPE-C-31-M-12
J3
3
Conn_01x06_Pin
J4, J5, J6
3
Conn_01x03_Pin
J7, J8, J10
1
Conn_01x04_Pin
J9
1
XT30PW-M
J11
3
SW_Push
SW1, SW3, SW4
1
SW_DPDT_x2
SW2
3
LED
D1, D2, D4
1
D_Schottky
D3
1
10uF.mcu
C1
1
100nF.mcu
C2
2
22nF.hb
C3, C4
Show 14 more
QtyPartRefs
3
100nF
C5, C6, C13
2
100nF.hb
C7, C8
2
10uF.hb
C9, C10
1
100nF.en
C11
1
100nF.boot
C12
2
10uF.shrp
C14, C15
4
10uF.stabl
C16, C17, C18, C19
2
100R
R1, R2
1
560R
R3
1
0R
R5
2
15R
R6, R7
1
10k.mcu
R8
1
10k
R9
1
100
R10

Sumec design files

The KiCad project lives in the bismarx-v1/Sumec-MiniSumo-HW repository on GitHub; these links point at the commit this page was built from.

Sumec: common questions

What microcontroller does the Sumec use?

The Sumec is built around the ESP32-S3-WROOM-1, from the ESP32 family.

How big is the Sumec PCB?

The Sumec measures 95 × 55 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Sumec?

54 components, from 34 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Sumec design files?

From the bismarx-v1/Sumec-MiniSumo-HW repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Sumec design in my own project?

The repository has no license, so all rights stay with bismarx-v1. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Sumec without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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