HardLabs

Engine-Simulator-2.0

koolcat6666·Engine-Simulator-2.0·Hardware/Engine Simulator 2.0/Engine Simulator 2.0.kicad_pcb

Engine-Simulator-2.0 PCB layout, top view — open source ESP32 board by koolcat6666

About the Engine-Simulator-2.0 PCB

Engine-Simulator-2.0 is an open source ESP32 PCB design by koolcat6666, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 100 mm, with 58 components from 24 distinct parts.

Its main chip is the ESP32-DEVKITC, from the ESP32 family. Other key parts include the 74AHCT125, R-78E5.0-1.0, TLV2372 and CD4050BE. By type, the board carries 17 resistors, 12 connectors, 7 capacitors, 6 ICs, 1 switch and 1 diode.

It belongs with the iot & wireless and sensors designs in this gallery.

From the project

Simulatore motore ESP32 per test Speeduino - ruota fonica, TPS/CLT/MAP, monitoraggio timing iniettori/candele

Engine simulator for ECU testing based on the Speeduino V0.4 and the ESP32-32U DevKitC.

The system connects to the ECU through the standard Speeduino 40-pin IDC connector and generates signals to simulate real engine operation.

Speeduino outputs such as injectors, ignition/coils, fan, idle, VVT, boost, and fuel pump are read by the ESP32 through CD4050BE buffers for timing calculation (Phase 2).

Engine-Simulator-2.0, from the project README
From the project README

Main components on the Engine-Simulator-2.0

ESP32-DEVKITC74AHCT125R-78E5.0-1.0TLV2372CD4050BE

Engine-Simulator-2.0 bill of materials (BOM)

58 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-DEVKITC
ESP32-DevKitC
U1
1
74AHCT125
U2
1
R-78E5.0-1.0
U3
1
TLV2372
U4
2
CD4050BE
U5, U6
1
~
J1
1
DC IN
J2
8
~
J3, J4, J5, J6, J7, J8, J9, J11
1
CRANK
J10
1
SCREW_TERMINAL_01X02
Screw_Terminal_01x02
J12
9
BZX55-C3V6
DZ1, DZ2, DZ3, DZ4, DZ5, DZ6, DZ7, DZ8 +1
2
2k
RV1, RV2
3
10K
10k
RV3, RV4, RV5
1
Start/Stop
SW2
1
1N5817
D13
1
0.33 uF
C1
3
0.1UF
0.1uF
C2, C3, C6
1
470UF
470uf
C4
1
47UF
47uf
C5
1
470 uf 16v
C7
Show 4 more
QtyPartRefs
5
10K
10k
R13, R14, R16, R18, R21
2
5.1K
5.1k
R15, R17
1
20K
20k
R22
9
2.2K
2.2k
R23, R24, R25, R26, R27, R28, R29, R30 +1

Engine-Simulator-2.0 design files

The KiCad project lives in the koolcat6666/Engine-Simulator-2.0 repository on GitHub; these links point at the commit this page was built from.

Engine-Simulator-2.0: common questions

What microcontroller does the Engine-Simulator-2.0 use?

The Engine-Simulator-2.0 is built around the ESP32-DEVKITC, from the ESP32 family.

How big is the Engine-Simulator-2.0 PCB?

The Engine-Simulator-2.0 measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Engine-Simulator-2.0?

58 components, from 24 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 Engine-Simulator-2.0 design files?

From the koolcat6666/Engine-Simulator-2.0 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 Engine-Simulator-2.0 design in my own project?

Yes, under the terms of its MIT license, which koolcat6666 chose for the repository.

Can I test firmware for the Engine-Simulator-2.0 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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