Ignitions and Electrical› Computers, Chips, Modules and Programmers

Soeeduino

Speeduino v0.4 Engine Management System PCB

$10.00

SKU: Speeduino v0.4.3c 0.4.3c PCB Paket 3

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Speeduino v0.4 PCB is a bare circuit board designed for engine management systems. It features 4 injector channels and 4 ignition outputs, with an optional stepper motor driver.

This board includes fully protected input channels for CLT, IAT, TPS, and O2 sensors, as well as an optional VR conditioner mount for crank and cam inputs. It also has a MAP sensor mount location, four medium current spare outputs for components like fuel pumps or fans, and four low current outputs for triggering relays.
Show original supplier description
The Speeduino v0.4 PCB is a bare circuit board that serves as the foundation for a custom engine control unit (ECU). This version, v0.4.3d, is designed for through-hole components and offers robust features for engine management. Key functionalities include 4 injector channels and 4 ignition outputs, supporting up to 8-cylinder engines in even-fire configurations. It also features an optional DRV8825/8824 stepper motor driver for applications requiring idle control or other stepper functions. The input channels for critical sensors like Coolant Temperature (CLT), Intake Air Temperature (IAT), Throttle Position Sensor (TPS), and Oxygen (O2) are fully protected to ensure reliable data acquisition. Further enhancing its versatility, the board offers an optional VR conditioner mount for crank and cam inputs, allowing for precise engine position sensing. A dedicated MAP sensor mount location is provided for manifold absolute pressure readings. Additionally, it includes four medium-current spare outputs, suitable for controlling components such as fuel pumps and thermo fans, and four low-current outputs for triggering external relays. A component kit and Bill of Materials (BOM) are available separately for assembly and further information can be found on the Speeduino wiki.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSoeeduino
Part NumberSpeeduino v0.4.3c 0.4.3c PCB Paket 3
CategoryIgnitions and Electrical

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy