HardLabs

12 Driver Board

617quan·NeonCarrot·KiCad/12_Driver_Board/12_Driver_Board.kicad_pcb

12 Driver Board layout, top view — open source ESP32 board by 617quan

About the 12 Driver Board

12 Driver Board is an open source ESP32 PCB design by 617quan, published on GitHub. It is a 4-layer board measuring 381 × 304.8 mm, with 209 components from 40 distinct parts.

Its main chip is the PinSocket_1x15_P2.54mm_Vertical, from the ESP32 family. Other key parts include the PC817 and 6N137. By type, the board carries 76 resistors, 70 capacitors, 21 connectors, 20 ICs and 2 switches.

From the project

Senior Design Project

Main components on the 12 Driver Board

PC8176N137

12 Driver Board bill of materials (BOM)

209 components, 40 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
PC817
6N137
U2
9
PC817
U3, U5, U8, U10, U12, U13, U16, U19 +1
1
6N137
U4
1
PC817
U6
8
6N137
U7, U9, U11, U14, U15, U17, U18, U20
12
Motor Connect
J1, J2, J4, J13, J14, J15, J16, J17 +4
1
Battery Connect
J3
8
Conn_01x02_Socket
J5, J6, J7, J8, J9, J10, J11, J12
8
Conn_01x15_Socket
ESP1L_1, ESP1R_1, ESP2L_1, ESP2R_1, ESP3L_1, ESP3L_2, ESP3R_1, ESP3R_2
2
SW_SPDT_MSM
SW1, SW2
12
DRV8434PWPR
UDRIVE1, UDRIVE2, UDRIVE3, UDRIVE4, ULIFT1, ULIFT2, ULIFT3, ULIFT4 +4
1
22N
22n
C1
1
220N
1u
C2
1
0.01U
220n
C3
1
0.01U
0.01u
C4
1
100U
0.01u
C5
11
22n
C6, C11, C16, C21, C26, C31, C36, C41 +3
1
0.1U
1u
C7
11
220n
C8, C13, C18, C23, C28, C33, C38, C43 +3
22
0.01u
C9, C10, C14, C15, C19, C20, C24, C25 +14
Show 20 more
QtyPartRefs
10
1u
C12, C17, C22, C27, C32, C37, C42, C47 +2
10
0.1u
C61, C62, C63, C64, C65, C66, C67, C68 +2
1
10K
10k
R1
1
10K
69.8k
R2
1
10K
15k
R3
1
220E
10k
R4
1
4K7
69.8k
R5
1
220E
15k
R6
1
4K7
10k
R7
1
220E
69.8k
R8
1
4K7
15k
R9
9
10k
R10, R13, R16, R19, R22, R25, R28, R31 +1
1
69.8k
R11
1
15k
R12
4
47.5k
R14, R17, R32, R35
4
59k
R15, R18, R33, R36
4
21k
R20, R23, R26, R29
4
13.7k
R21, R24, R27, R30
20
220E
R38, R40, R42, R44, R46, R48, R50, R52 +12
20
4k7
R39, R41, R43, R45, R47, R49, R51, R53 +12

12 Driver Board design files

The KiCad project lives in the 617quan/NeonCarrot repository on GitHub; these links point at the commit this page was built from.

12 Driver Board: common questions

What microcontroller does the 12 Driver Board use?

The 12 Driver Board is built around the PinSocket_1x15_P2.54mm_Vertical, from the ESP32 family.

How big is the 12 Driver Board?

The 12 Driver Board measures 381 × 304.8 mm, has 4 copper layers and is 1.586 mm thick.

How many components are on the 12 Driver Board?

209 components, from 40 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 12 Driver Board design files?

From the 617quan/NeonCarrot 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 12 Driver Board design in my own project?

The repository has no license, so all rights stay with 617quan. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the 12 Driver Board 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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