HardLabs

Ssd1322

Hong-Kong-Public-Transport·RC-Bus-System·pcb/ssd1322.kicad_pcb

Ssd1322 PCB layout, top view — open source ESP32 board by Hong-Kong-Public-Transport

About the Ssd1322 PCB

Ssd1322 is an open source ESP32 PCB design by Hong-Kong-Public-Transport, published on GitHub. It is a 2-layer board measuring 40 × 25 mm, with 34 components from 22 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the AP2112K-3.3 and MT3608. By type, the board carries 13 capacitors, 11 resistors, 3 ICs, 3 connectors, 3 diodes and 1 inductor.

From the project

An advanced RC bus system using multiple ESP32 modules.

Main components on the Ssd1322

AP2112K-3.3ESP32-S3-WROOM-1MT3608

Ssd1322 bill of materials (BOM)

34 components, 22 distinct parts.

QtyPartRefs
1
AP2112K-3.3
U1
1
ESP32-S3-WROOM-1
U2
1
MT3608
U3
1
Display Connector Input
J1
1
SSD1322 30-Pin Connector
J2
1
USB_C_Receptacle_USB2.0_16P
J3
2
1N4148
D1, D2
1
SS34
D3
1
10uH
L1
2
1uF
C1, C6
1
4.7uF
C2
4
0.1uF
C3, C5, C9, C13
3
10uF
C4, C8, C12
1
2.2uF
C7
2
22uF
C10, C11
3
10k
R1, R8, R11
1
1M
R2
1
50R
R3
2
5.1k
R4, R5
2
22R
R6, R7
Show 2 more
QtyPartRefs
1
100k
R9
1
200k
R10

Ssd1322 design files

The KiCad project lives in the Hong-Kong-Public-Transport/RC-Bus-System repository on GitHub; these links point at the commit this page was built from.

Ssd1322: common questions

What microcontroller does the Ssd1322 use?

The Ssd1322 is built around the ESP32-S3-WROOM-1, from the ESP32 family.

How big is the Ssd1322 PCB?

The Ssd1322 measures 40 × 25 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ssd1322?

34 components, from 22 distinct parts. The full bill of materials is listed on this page.

Where can I download the Ssd1322 design files?

From the Hong-Kong-Public-Transport/RC-Bus-System repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Ssd1322 design in my own project?

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

Can I test firmware for the Ssd1322 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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