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A3 8p redFIS

tothpetiszilard·a3_8p_redFIS·hw/redFIS/redFIS.kicad_pcb

A3 8p redFIS PCB layout, top view — open source ESP32 board by tothpetiszilard
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About the A3 8p redFIS PCB

A3 8p redFIS is an open source ESP32 PCB design by tothpetiszilard, published on GitHub under the AGPL-3.0 license. It is a 2-layer board measuring 124 × 40 mm, with 77 components from 35 distinct parts.

Its main chip is the ESP-32S, from the ESP32 family. Other key parts include the AP63203WU, AP63205WU, TJA1049T, CH340G and PCM5102A. By type, the board carries 30 capacitors, 17 resistors, 7 ICs, 6 transistors, 4 connectors and 3 inductors.

From the project

Hacking into Audi A3 8P Driver Information System

For people who don't know what is DIS or FIS: https://www.youtube.com/watch?v=bKFak5AGAGo

The goal is to implement a similiar but simpler open-source alternative to the "FIS-Control" or "Polar FIS". https://fis-control.de/index_en.html https://www.urotuning.com/products/polar-fis-advanced-multi-function-display-pf-04?variant=8384889323575

- You have to use Navigation VWTP CANID if you have dashboard with part number "8P0 920 931". Alternative CANID is not supported by the dash.

A3 8p redFIS, from the project README
From the project README

Main components on the A3 8p redFIS

ESP-32SAP63203WUAP63205WUTJA1049TCH340GPCM5102A

A3 8p redFIS bill of materials (BOM)

77 components, 35 distinct parts.

QtyPartRefs
1
ESP-32S
U1
2
AP63203WU
U2, U7
1
AP63205WU
U3
1
TJA1049T
U4
1
CH340G
U5
1
PCM5102A
U6
2
BC850
Q1, Q2
2
BC850
Q3, Q5
2
BC857
Q4, Q6
1
12Mhz
Y1
1
USB_B
J1
1
DE9_Plug
J2
1
Conn_01x04
J3
1
Conn_01x03
J4
4
1k
Rb1, Rb2, Ren1, Rstb1
1
120
Rcan1
2
470R
Rl1, Rr1
1
0R
Rvio1
1
D
D1
2
3.9uH
L1, L3
Show 15 more
QtyPartRefs
1
4.7uH
L2
7
10uF
C1, C2, C18, C19, C21, C25, C27
7
22uF
C3, C5, C7, C8, C14, C29, C30
9
100nF
C4, C6, C9, C10, C11, C17, C20, C22 +1
2
22pF
C12, C13
2
2.2uF
C15, C16
2
2.2nF
C23, C24
1
470uF
C26
1
33k
R1
7
10k
R2, R4, R6, R11, R14, R16, R17
2
47k
R3, R5
2
4k7
R7, R8
3
1k
R9, R10, R12
1
10R
R13
1
5k
R15

A3 8p redFIS design files

The KiCad project lives in the tothpetiszilard/a3_8p_redFIS repository on GitHub; these links point at the commit this page was built from.

A3 8p redFIS: common questions

What microcontroller does the A3 8p redFIS use?

The A3 8p redFIS is built around the ESP-32S, from the ESP32 family.

How big is the A3 8p redFIS PCB?

The A3 8p redFIS measures 124 × 40 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the A3 8p redFIS?

77 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the A3 8p redFIS design files?

From the tothpetiszilard/a3_8p_redFIS repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the A3 8p redFIS design in my own project?

Yes, under the terms of its AGPL-3.0 license, which tothpetiszilard chose for the repository.

Can I test firmware for the A3 8p redFIS 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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