HardLabs

Chassis

Gninnorg·ThePreamp·Hardware/Chassis/Chassis.kicad_pcb

Chassis PCB layout, top view — open source ESP32 board by Gninnorg

About the Chassis PCB

Chassis is an open source ESP32 PCB design by Gninnorg, published on GitHub. It is a 2-layer board measuring 285 × 65 mm, with 23 components from 12 distinct parts.

Its main chip is the ESP32 power, from the ESP32 family.

Chassis bill of materials (BOM)

23 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AC in
J1
1
Relay power
J2
1
Digital In
J3
1
15V AC
J4
1
CONN_01X03_PIN
230V AC fixed
J5
1
ESP32 power
J6
1
Opt. 3V3 power
J7
1
DC in
J8
1
ADS1115
Relay power
J9
2
CONN_01X04
Conn_01x04
J11, J13
2
CONN_01X03
Conn_01x03
J12, J14
10
RCA_Connector_ALI
RCA1, RCA2, RCA3, RCA4, RCA5, RCA6, RCA7, RCA8 +2

Chassis design files

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

Chassis: common questions

What microcontroller does the Chassis use?

The Chassis is built around the ESP32 power, from the ESP32 family.

How big is the Chassis PCB?

The Chassis measures 285 × 65 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Chassis?

23 components, from 12 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 Chassis design files?

From the Gninnorg/ThePreamp 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 Chassis design in my own project?

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

Can I test firmware for the Chassis 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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