4 layers115.5 × 96.2 mm
Closed deck x4
OpenLogicEFI/Hardware
Hardware is based off an open source project called Speeduino by Josh Stewart.
245 parts19
2 layers100 × 82 mm
Simulator
OpenLogicEFI/Hardware19Hardware is based off an open source project called Speeduino by Josh Stewart.
- Size
- 100 × 82 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 79
- Nets
- 103
- Pads
- 314
- Tracks, vias
- 394, 212
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 29 Mar 2020
- Updated
- 19 Oct 2026
Overview
Simulator is an open-source printed circuit board by OpenLogicEFI, from the OpenLogicEFI/Hardware repository on GitHub. It is a 2-layer board of 100 × 82 mm with 79 parts on 103 nets, routed with 394 tracks and 212 vias.
It is built around the SRV05-4. Its parts include 32 resistors, 22 diodes, 8 connectors, 6 ICs and 2 switches. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdOpenLogicEFI
Formerly: DetonationEMS
OpenLogicEFI ECU's are based off an open source project called Speeduino by Josh Stewart. Currently all released boards use official Speeduino firmware. In TunerStudio set to "Board Layout" to "Speeduino 0.4"
License
All designs are released under the TAPR Open Hardware License v1.0
Documentation
-
The Official Speeduino Manual, documents and discord are the best places to start.
Parts
79| Qty | Value | Footprint | References |
|---|---|---|---|
| 25 | 1k | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R25, R26, R28 +9 |
| 4 | 470r | Resistor_SMD:R_0603_1608Metric | R21, R23, R27, R34 |
| 3 | 1N5819 | Diode_SMD:D_SOD-123 | D1, D2, D3 |
| 3 | EL357NB_TA_-G | Package_SO:SOP-4_3.8x4.1mm_P2.54mm | IC1, IC2, IC3 |
| 3 | SRV05-4 | Package_TO_SOT_SMD:SOT-23-6 | U1, U2, U3 |
| 2 | 0r | Resistor_SMD:R_0805_2012Metric | R31, R32 |
| 2 | Conn_01x03 | Detonation:3-PinSwitch | J7, J8 |
| 2 | Conn_01x04 | Connector_PinSocket_2.54mm:PinSocket_1x15_P2.54mm_Vertical | J5, J6 |
| 1 | 100r | Resistor_SMD:R_0603_1608Metric | R22 |
| 1 | Arduino_Nano_v3.x | Module:Arduino_Nano | A1 |
| 1 | CLT | Misc:RV09AF4020KB10K | POT2 |
| 1 | Conn_01x04 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J2 |
| 1 | Conn_01x08 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-16-3.5-H_1x16_P3.50mm_Horizontal | J3 |
| 1 | Conn_01x10 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-12-3.5-H_1x12_P3.50mm_Horizontal | J4 |
| 1 | Conn_02x20_Counter_Clockwise | Connector_Automotive:IDC-Header_2x20_P2.54mm_Vertical_Speeduino | J1 |
| 1 | FAN | LED_SMD:LED_0603_1608Metric | LED17 |
| 1 | FP | LED_SMD:LED_0603_1608Metric | LED18 |
| 1 | IAT | Misc:RV09AF4020KB10K | POT1 |
| 1 | IGN1 | LED_SMD:LED_0603_1608Metric | LED9 |
| 1 | IGN2 | LED_SMD:LED_0603_1608Metric | LED10 |
| 1 | IGN3 | LED_SMD:LED_0603_1608Metric | LED11 |
| 1 | IGN4 | LED_SMD:LED_0603_1608Metric | LED12 |
| 1 | IGN5 | LED_SMD:LED_0603_1608Metric | LED13 |
| 1 | IGN6 | LED_SMD:LED_0603_1608Metric | LED14 |
| 1 | IGN7 | LED_SMD:LED_0603_1608Metric | LED15 |
| 1 | IGN8 | LED_SMD:LED_0603_1608Metric | LED16 |
| 1 | INJ1 | LED_SMD:LED_0603_1608Metric | LED1 |
| 1 | INJ2 | LED_SMD:LED_0603_1608Metric | LED2 |
| 1 | INJ3 | LED_SMD:LED_0603_1608Metric | LED3 |
| 1 | INJ4 | LED_SMD:LED_0603_1608Metric | LED4 |
| 1 | INJ5 | LED_SMD:LED_0603_1608Metric | LED5 |
| 1 | INJ6 | LED_SMD:LED_0603_1608Metric | LED6 |
| 1 | INJ7 | LED_SMD:LED_0603_1608Metric | LED7 |
| 1 | INJ8 | LED_SMD:LED_0603_1608Metric | LED8 |
| 1 | LOGO | Detonation-Logos:open-logic-10 | G*** |
| 1 | Logo_Open_Hardware_Small | Detonation-Logos:SpeeduinoCompatible-17mm | G2 |
| 1 | MAP/SP1 | Misc:RV09AF4020KB10K | POT3 |
| 1 | RPM | Misc:RV09AF4020KB10K | POT6 |
| 1 | SP1- | LED_SMD:LED_0603_1608Metric | LED19 |
| 1 | SW_DIP_x03 | Button_Switch_THT:SW_DIP_SPSTx03_Slide_9.78x9.8mm_W7.62mm_P2.54mm | SW2 |
| 1 | Switch | Button_Switch_THT:SW_PUSH_6mm_H9.5mm | SW1 |
| 1 | TPS | Misc:RV09AF4020KB10K | POT4 |
| 1 | o2 | Misc:RV09AF4020KB10K | POT5 |
Questions
How big is the Simulator PCB?
It measures 100 × 82 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Simulator use?
79 parts, built around the SRV05-4. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Simulator KiCad files?
From the OpenLogicEFI/Hardware repository on GitHub, at the commit this page was made from: the board is Engine Simulation/8 Channel/RevB2/Simulator.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Simulator design in my own project?
Its repository states no licence, so its author keeps all rights: ask OpenLogicEFI before reusing the design.
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