HardLabs

DDB

robotique-udes·PCB·rover/2025/DDB/latest/DDB.kicad_pcb

DDB PCB layout, top view — open source ESP32 board by robotique-udes

About the DDB PCB

DDB is an open source ESP32 PCB design by robotique-udes, published on GitHub under the MIT license. It is a 4-layer board measuring 152.8 × 53.5 mm, with 106 components from 47 distinct parts.

Its main chip is the RT8258GJ6, from the ESP32 family. Other key parts include the KSZ8567STXI-, 296-50412-1, 296-TLV1117LV12DCYR, 1028-RT6285GSP and 296-26344-1. By type, the board carries 51 resistors, 19 capacitors, 14 ICs, 10 fuses, 5 connectors and 5 diodes.

From the project

Ce répertoire contient les projets du rover, les projets sont trié par version du rover:

Main components on the DDB

RT8258GJ6KSZ8567STXI-296-50412-1296-TLV1117LV12DCYR1028-RT6285GSP296-26344-11965-ESP32-S3FN8HSS-VN7004SLHTR

DDB bill of materials (BOM)

106 components, 47 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RT8258GJ6
ESP32-S3-WROVER
U1
1
KSZ8567STXI-
TVS-SMDB03CE3
U2
1
296-50412-1
SN65HVD232
U3
1
296-TLV1117LV12DCYR
TLE4284DV33ATMA1
U4
1
1028-RT6285GSP
XT60PW-M
U5
1
296-26344-1
HSS-VN7004SLHTR
U6
1
1965-ESP32-S3FN8
HSS-VN7004SLHTR
U7
7
HSS-VN7004SLHTR
U8, U9, U10, U11, U12, U13, U14
1
USB_C_USB4145-GCT
J1
2
ETH-RJHSE508104
J2, J4
1
TerminalBlock
J3
1
XT30PW-F
J8
1
20A
F1
9
3A
F2, F3, F4, F5, F6, F7, F8, F10 +1
2
CKN12215-1
TS09-63-25-WT-160-SMT-TR
SW1, SW2
2
641-1271-1
R
D1, D2
1
5272-ESDCAN24-2BLY
G
D3
1
NUP4301MR6T1GOS
B
D4
1
641-1707-1
B
D5
1
478-KGM15AR51E103KT
1uF
C1
Show 27 more
QtyPartRefs
1
490-10515-1
22uF
C2
1
1276-6780-1
100nF
C3
4
1276-1935-2
100nF
C4, C5, C7, C8
1
399-C1206C102KGRAC7800
10uF
C6
10
1276-1935-2
10uF
C9, C10, C11, C12, C18, C19, C20, C23 +2
1
4713-GMC10X5R106M10NT
10uF
C17
1
311-10.0KHR
10k
R1
2
311-75.0HR
4.7k
R2, R3
2
311-1.00KHR
1k
R4, R8
1
311-1.00KHR
4.7k
R5
2
311-10.0KHR
1k
R6, R7
5
311-10.0KHR
15k
R9, R10, R38, R39, R51
2
311-10.0KHR
100k
R11, R12
4
311-750HR
15k
R13, R14, R16, R20
2
311-750HR
100k
R15, R19
2
311-750HR
4.7k
R17, R21
1
311-191HR
4.7k
R18
3
311-10.0KHR
4.7k
R22, R23, R24
1
311-100LR
4.7k
R25
1
311-6.04KHR
4.7k
R26
3
311-1.00KHR
100k
R27, R28, R32
7
311-1.00KHR
15k
R29, R37, R40, R41, R42, R43, R44
1
15k
R30
1
100k
R31
8
311-75.0HR
15k
R33, R34, R35, R36, R45, R46, R47, R48
1
311-100KHR
15k
R49
1
311-32.4KHR
15k
R50

DDB design files

The KiCad project lives in the robotique-udes/PCB repository on GitHub; these links point at the commit this page was built from.

DDB: common questions

What microcontroller does the DDB use?

The DDB is built around the RT8258GJ6, from the ESP32 family.

How big is the DDB PCB?

The DDB measures 152.8 × 53.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the DDB?

106 components, from 47 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 DDB design files?

From the robotique-udes/PCB 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 DDB design in my own project?

Yes, under the terms of its MIT license, which robotique-udes chose for the repository.

Can I test firmware for the DDB 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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