HardLabs

Pole

Tomoshibi-technology·RCJ-Japan2024-Circuit·Pole/Pole.kicad_pcb

Pole PCB layout, top view — open source ESP32 board by Tomoshibi-technology

About the Pole PCB

Pole is an open source ESP32 PCB design by Tomoshibi-technology, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 70 mm, with 181 components from 64 distinct parts.

Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the M51957B, CH340K, AZ1084CD-3.3, MAX3485 and MC34063AD. By type, the board carries 66 resistors, 34 capacitors, 29 diodes, 21 transistors, 12 connectors and 6 ICs.

From the project

RoboCup JapanOpen 2024とEindohoven 2024に向けての回路開発

Main components on the Pole

M51957BCH340KAZ1084CD-3.3ESP32-WROOM-32MAX3485MC34063AD

Pole bill of materials (BOM)

181 components, 64 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
M51957B
U1
1
CH340K
U2
1
AZ1084CD-3.3
U3
1
ESP32-WROOM-32
U4
1
MAX3485
U5
1
MC34063AD
U6
4
MTP4835I3
Q1, Q3, Q8, Q21
7
BSS138
Q2, Q9, Q10, Q16, Q18, Q19, Q20
4
SSM3J332R
Q4, Q7, Q12, Q14
1
2SC3265
Q5
5
S8050
Q6, Q11, Q13, Q15, Q17
1
CONN_01X02_MALE
Conn_01x02_Male
J1
2
CONN_01X02_FEMALE
Conn_01x02_Female
J2, J3
1
USB_C_RECEPTACLE_USB2.0
USB_C_Receptacle_USB2.0
J4
1
AUDIOJACK3
AudioJack3
J6
2
CONN_01X03_MALE
Conn_01x03_Male
J7, J8
3
CONN_01X03_MALE
Conn_01x03_Male
J9, J10, J11
2
CONN_01X04_MALE
Conn_01x04_Male
J12, J13
1
Fuse
F1
2
JUMPER_2_OPEN
Jumper_2_Open
JP1, JP3
Show 44 more
QtyPartRefs
1
JUMPER_2_OPEN
Jumper_2_Open
JP2
1
470
RV1
1
SW_DIP_X05
SW_DIP_x05
SW1
1
SW_SPDT
SW2
2
SW_SPDT
SW3, SW6
2
SW_SPST
SW4, SW5
1
TestPoint
TP5
1
LED
D1
6
1N5819WS
D2, D9, D11, D16, D17, D29
2
SS2040FL
D3, D8
3
Red
D4, D5, D6
1
Yellow
D7
1
D_Zener
D10
4
Green
D12, D13, D14, D15
10
WS2812C-2020-V1
D18, D19, D20, D21, D22, D23, D24, D25 +2
1
CBD20150VCT
D28
1
2.2UH
2.2uH
L1
4
1UF
1uF
C1, C10, C11, C12
1
4700PF
4700pF
C2
5
10UF
10uF
C3, C8, C19, C27, C34
14
0.1UF
0.1uF
C4, C5, C6, C14, C15, C16, C21, C22 +6
1
C14663
ADJ_ST
C7
3
C_snub
C9, C32, C36
1
22UF
22uF
C13
1
C
C17
2
470UF
470uF
C18, C28
1
100PF
100pF
C30
1
470UF
470uF
C35
12
1k
R1, R18, R19, R22, R23, R27, R29, R33 +4
33
10K
10k
R2, R4, R5, R6, R7, R8, R11, R12 +25
2
100K
100k
R3, R35
1
33K
33k
R9
1
10K
10k
R10
3
5.1K
5.1k
R14, R15, R73
3
R_snub
R20, R61, R67
1
510
R32
2
7.5K
7.5k
R48, R71
1
20K
20k
R49
2
2.2K
2.2k
R56, R57
1
120
R58
1
10
R59
1
1.5K
1.5k
R68
1
5.1K
5.1k
R70
1
2k
R72

Pole design files

The KiCad project lives in the Tomoshibi-technology/RCJ-Japan2024-Circuit repository on GitHub; these links point at the commit this page was built from.

Pole: common questions

What microcontroller does the Pole use?

The Pole is built around the ESP32-WROOM-32, from the ESP32 family.

How big is the Pole PCB?

The Pole measures 100 × 70 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Pole?

181 components, from 64 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 Pole design files?

From the Tomoshibi-technology/RCJ-Japan2024-Circuit 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 Pole design in my own project?

Yes, under the terms of its MIT license, which Tomoshibi-technology chose for the repository.

Can I test firmware for the Pole 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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