HardLabs

Logic Board

Kiya86·Terasaki-Main-·PCB's/Logic_Board/Logic_Board.kicad_pcb

Logic Board layout, top view — open source ESP32 board by Kiya86

About the Logic Board

Logic Board is an open source ESP32 PCB design by Kiya86, published on GitHub. It is a 4-layer board measuring 45.3 × 45.3 mm, with 43 components from 20 distinct parts.

Its main chip is the ESP32-S3-MINI-1-N4R2, from the ESP32 family. Other key parts include the INA333AIDGKR, TMUX1104DGSR, AD5941BCPZ-RL7, BM03B-SRSS-TB(LF)(SN) and LMP7721MA/NOPB. By type, the board carries 21 capacitors, 9 ICs, 5 resistors, 2 switches, 1 connector and 1 inductor.

Main components on the Logic Board

ESP32-S3-MINI-1-N4R2INA333AIDGKRTMUX1104DGSRAD5941BCPZ-RL7BM03B-SRSS-TB(LF)(SN)LMP7721MA/NOPB

Logic Board bill of materials (BOM)

43 components, 20 distinct parts.

QtyPartRefs
1
ESP32-S3-MINI-1-N4R2
ESPRESSIF(乐鑫)
U1
1
INA333AIDGKR
TI(德州仪器)
U2
3
TMUX1104DGSR
TI(德州仪器)
U3, U5, U9
1
AD5941BCPZ-RL7
ADI(亚德诺)
U4
1
BM03B-SRSS-TB(LF)(SN)
BM03B-SRSS-TB
JST
U6
2
LMP7721MA/NOPB
TI(德州仪器)
U11, U14
1
52610-1572
J3
1
MTP220-1102S1
MINTRON(明硕)
H1
2
2.54-1*5P母
Header-Female
BOOMELE(博穆精密)
H3, H4
1
DS1022-1x5RUF11-B
Header
CONNFLY
H5
2
K2-1808SN-A4SW-01
K2-1808SN-A4SW
韩国韩荣
SW1, SW2
1
BLM18AG601SN1D
muRata(村田)
L2
11
GRM188R71C104KA01D
100nF
muRata(村田)
C1, C2, C3, C21, C27, C28, C34, C35 +3
4
CL21A106KOQNNNE
10uF
SAMSUNG(三星)
C6, C20, C22, C24
1
CL10A105KO8NNNC
1uF
SAMSUNG(三星)
C10
1
CL10A475KP8NNNC
4.7uF
SAMSUNG(三星)
C29
4
CC0402KRX5R6BB474
470nF
YAGEO(国巨)
C30, C31, C32, C33
2
0603WAJ0103T5E
10kΩ
UNI-ROYAL(厚声)
R1, R2
1
RC0402FR-072R2L
2.2Ω
YAGEO(国巨)
R7
2
RC0402FR-07100KL
100kΩ
YAGEO(国巨)
R12, R13

Logic Board design files

The KiCad project lives in the Kiya86/Terasaki-Main- repository on GitHub; these links point at the commit this page was built from.

Logic Board: common questions

What microcontroller does the Logic Board use?

The Logic Board is built around the ESP32-S3-MINI-1-N4R2, from the ESP32 family.

How big is the Logic Board?

The Logic Board measures 45.3 × 45.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Logic Board?

43 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the Logic Board design files?

From the Kiya86/Terasaki-Main- repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Logic Board design in my own project?

The repository has no license, so all rights stay with Kiya86. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Logic 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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