HardLabs

Dash

sufst·pcb·dash/Dash-PCB.kicad_pcb

Dash PCB layout, top view — open source ESP32 board by sufst
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About the Dash PCB

Dash is an open source ESP32 PCB design by sufst, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 235 × 73.6 mm, with 63 components from 43 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the HT16K33, TLV62130ARGTT, AP2112K-3.3, CH340C and XL1509-5.0. By type, the board carries 25 resistors, 13 capacitors, 7 ICs, 5 test points, 4 transistors and 3 connectors.

From the project

Monorepo for all schematics and PCB designs

We design our PCBs in KiCad (version 8+).

Files that should be in this repo, under version control: - Project files (.kicadpro). - Schematic files (.kicadsch). - PCB files (.kicadpcb). - Custom footprints (.kicadmod). - Custom symbols (.kicadsym). - Footprint library tables (fp-lib-table). - Symbol library tables (sym-lib-table). - 3D models of components (.step files). - Simulation code (e.g. .asc` files from LTSpice).

Main components on the Dash

HT16K33TLV62130ARGTTAP2112K-3.3CH340CXL1509-5.0ESP32-S3-WROOM-1LTC-4627JR

Dash bill of materials (BOM)

63 components, 43 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
HT16K33
IC1
1
TLV62130ARGTT
IC2
1
AP2112K-3.3
PIC18F47Q84-I/PT
U1
1
CH340C
MAX3051ESA+
U2
1
XL1509-5.0
PCF8574
U3
1
ESP32-S3-WROOM-1
~
U4
1
LTC-4627JR
~
U5
4
XP262N7002TR-G
Q1, Q2, Q3, Q4
1
FA-128 20.00M-A0AAYYG80RE0
20MHz
Y1
1
USB_C_RECEPTACLE_USB2.0_16P
IO
J1
1
CONN_01X04
Conn_01x05_Pin
J2
1
CONN_01X04
Conn_02x06_Counter_Clockwise
J3
1
T0603FF0750TM
F1
1
T0603FF0250TM
F2
1
FIT0127
16x2 LCD
LCD1
1
300K
R_Potentiometer
RV1
5
TestPoint
TP1, TP2, TP3, TP4, TP5
1
68UH
2.2uH
L1
1
1UF
100n
C1
1
10NF
100n
C2
Show 23 more
QtyPartRefs
1
10UF
100n
C3
1
1UF
4.7n
C4
1
470UF
0.1u
C5
1
100NF
10u
C6
1
100UF
3.3n
C7
1
10UF
0.1u
C8
1
100NF
22u
C9
2
C0805C100J1RACAUTO
10p
C10, C11
1
C0805C100J1RACAUTO
100n
C12
1
0.1u
C13
2
60R
R1, R2
3
10K
10k
R3, R4, R25
4
10K
1K
R5, R8, R9, R24
2
5.1K
1K
R6, R7
1
51K
1K
R10
3
51K
10k
R11, R12, R17
3
51K
0
R13, R14, R16
2
51K
4.7k
R15, R18
1
51K
10
R19
1
51K
12
R20
1
51K
100k
R21
1
10K
750k
R22
1
10K
240k
R23

Dash design files

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

Dash: common questions

What microcontroller does the Dash use?

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

How big is the Dash PCB?

The Dash measures 235 × 73.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Dash?

63 components, from 43 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 Dash design files?

From the sufst/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 Dash design in my own project?

Yes, under the terms of its GPL-3.0 license, which sufst chose for the repository.

Can I test firmware for the Dash 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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