2 layers99.3 × 99.9 mm
2 layers100 × 67.1 mm
SpeedyMAP
speeduino/Hardware-Extra3The connector used is a Delphi Sicma 39 pin
- Size
- 100 × 67.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 56
- Nets
- 50
- Pads
- 216
- Tracks, vias
- 361, 115
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 9 May 2023
- Updated
- 16 Jun 2024
Overview
SpeedyMAP is an open-source printed circuit board by speeduino, from the speeduino/Hardware-Extra repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 100 × 67.1 mm with 56 parts on 50 nets, routed with 361 tracks and 115 vias.
It is built around the ATMEGA32U4-AU, MPX4250A and MCP4921-E/SN, with the BSS138PW,115(ES) and FDN340P among its other parts. Its parts include 25 capacitors, 11 resistors, 7 ICs, 4 diodes and 3 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
5
ATMEGA32U4-AU
QFP-44(10x10)-40℃~+85℃ 10bit 16MHz 1KB 2.5KB 2.7V~5.5V 26 32KB 8 Bit AVR Built-in FLASH QFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
MPX4250A
SIP-6Pressure SensorsNXP Semiconductors
MCP4921-E/SN
SOIC-8-40℃~+125℃ 1 12 175uA 2.7V~5.5V 4.5us 4LSB Power-on reset、Power-down mode、Programmable gain SPI Voltage Buffer SOIC-8 Digital to Analog Converters (DAC) ROHSMicrochip TechnologyDigital To Analog Converters (DAC)
BSS138PW,115(ES)
SOT-323MOSFETsElecSuper
FDN340P
SOT-23-55℃~+150℃ 1 P-Channel 1.5V 121pF 20V 2A 500mW 56pF 7.2nC@4.5V 70mΩ@4.5V 779pF P-Channel SOT-23 MOSFETs ROHSonsemiMOSFETs
README
V0.4 Shield/README.md
[
A low cost, DIY friendly Engine Management System (ECU) based on the Arduino framework
Speeduino
The Speeduino project is a flexible, fully featured Engine Management Systems (EMS aka ECU) based on the low cost and open source Arduino platform. It provides the hardware, firmware and software components that make up an engine management system, all provided under open licenses. With over 1000 installations, Speeduino has matured into a product that meets the needs of the hobbyist and enthusiast community without driving prices to the levels of traditional aftermarket ECUs.
Overview
This board is a shield designed to add an automotive connector to the v0.4 series of Speeduino ECUs. It also includes a VR conditioner on board and allows for 12v Hall effect signals (Such as on some GM engines) to be used directly.
The connector used is a Delphi Sicma 39 pin
License
These designs are release under the TAPR Open Hardware License v1.0.
Support
In addition the manual referenced above, Speeduino has a large and very vibrant community of people to help out with your setup or any questions you might add.
- Speeduino Forum
- Discord [blocked]
Contributors
This project exists thanks to all the people who contribute, both in terms of code and testing provided. If you'd like to get involved, please have a read through Contributing and then jump on Discord to discuss things further
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C23, C25 |
| 4 | 0.01uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C6, C7, C8 |
| 4 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C15, C19, C22, C24 |
| 4 | 0.3uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9, C10, C11, C12 |
| 4 | MPX4250 | MPX4250:MPX4250 | U1, U2, U3, U4 |
| 2 | 100k | Resistor_SMD:R_0805_2012Metric | R10, R11 |
| 2 | 1k | Resistor_SMD:R_0805_2012Metric | R6, R8 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric | R3, R4 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C13, C14 |
| 2 | 33uF | Capacitor_SMD:CP_Elec_6.3x7.7 | C17, C18 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3, D4 |
| 1 | 0.33uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C20 |
| 1 | 4.7nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C21 |
| 1 | 470R | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 47uF | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B | C16 |
| 1 | ATmega32U4-A | Package_QFP:TQFP-44_10x10mm_P0.8mm | U7 |
| 1 | AVR-ISP-6 | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | CON1 |
| 1 | BSS138PW,115 | Package_TO_SOT_SMD:SOT-323_SC-70 | Q2 |
| 1 | Conn_01x04 | Connector_Molex:Molex_Mini-Fit_Jr_5569-04A2_2x02_P4.20mm_Horizontal | J2 |
| 1 | Crystal | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
| 1 | D_Schottky | Diode_SMD:D_SMA_Handsoldering | D2 |
| 1 | D_TVS | Diode_SMD:D_SMB | D1 |
| 1 | FDN340P | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Fuse | Fuse:Fuse_1812_4532Metric_Pad1.30x3.40mm_HandSolder | F1 |
| 1 | LOGO | Misc:Speeduino logo_sml | G*** |
| 1 | MC78M05_TO252 | Package_TO_SOT_SMD:TO-252-2 | U6 |
| 1 | MCP4921-E/SN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | R10k | Resistors_SMD:R_0805_HandSoldering | R5 |
| 1 | R10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9 |
| 1 | SW_SPST | Buttons_Switches_ThroughHole:SW_TH_Tactile_Omron_B3F-10xx | SW1 |
| 1 | USB_C_Receptacle | Connector_USB:USB_C_Receptacle_GCT_USB4085 | J1 |
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Questions
How big is the SpeedyMAP PCB?
It measures 100 × 67.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SpeedyMAP use?
56 parts, built around the ATMEGA32U4-AU, MPX4250A, MCP4921-E/SN and BSS138PW,115(ES). 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 SpeedyMAP KiCad files?
From the speeduino/Hardware-Extra repository on GitHub, at the commit this page was made from: the board is Speedy MAP/Hardware/SpeedyMAP.kicad_pcb and its schematic Speedy MAP/Hardware/MAP Sensors.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the SpeedyMAP design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).