How to build a programmable engine control unit #1 - Components, assembly and inputs





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Premiered Nov 5, 2018

Petrolhead, welcome to the first chapter of the series "Creating a programmable motor control unit!”

First of all, why would we want to manufacture, from scratch, a programmable ECU from scratch, having so many commercial options available as, for example, Megasquirt? Simple, because we want to learn, because we want to hunt.

In this case, we are going to carry out a project that, you will see, is very cheap, but we have infinite possibilities and will learn from scratch about how each sensor, actuator, analog and digital signals that come and go from a motor control unit work. a car. And what will we use for it? Something called "speeduino".

What is Speeduino? What is an "Arduino"? What is an electronic board or a microcontroller? And a potentiometer? All this, buddy Petrolhead, from now on you will be given an answer in your head constantly.

For this project to go well we count on your help, because as always, the basis of the PetrolheadGarage project is to learn from there, sharing each one what you know, and thus we will continue to move forward, keep improving. Today more than ever we ask you to participate and share with this project so that, in the future, this switchboard will fly down or a car with combustion engine.

Now, without further delay, what are we going to see in this first chapter?

What is and how a switchboard works? - 0:24
What do you need to start? - 2:50
Components needed to mount the Speeduino ECU - 4:55
Classification and welding of the components to the plate - 7:35
How to load the code in the motor control unit - 13:02
What will be the input signals of the ECU? - 17:31
How to simulate the CKP sensor signal (crankshaft position)? - 18:37
How to simulate the MAP sensor signal (intake manifold pressure sensor)? - 22:15
How to simulate the TPS sensor signal (throttle position)? - 23:37
How to simulate the signal from the temperature sensors (IAT, ECT / CLT)? - 23:54
How to simulate the oxygen sensor signal (lambda probe (λ))? - 25:56

Petrolhead! How can you help make the PetrolheadGarage project possible? ▶ ︎ https://www.youtube.com/watch?v=fqd_w...
What tools have we used in this chapter?

Portable oscilloscope Siglent SHS820, a cucumber! ▶ ︎ https://amzn.to/2A5c64o

Do you want a more affordable portable oscilloscope to learn? This is fine cinnamon ▶ ︎ https://amzn.to/2ysVXDE

Cheap digital polimeter, your new best friend ▶ ︎ https://amzn.to/2RIVBle

Clamp Meter, fundamental for everything we are going to do ▶ ︎ https://amzn.to/2OXeNgk
Related chapters, to go "heating up" about what we are going to see in this series:

What is an oscilloscope and how does it work?
What is the CAN BUS line in the car? What happens when it fails?
What is a clamp meter? How is it used?
👉 What is the MAP sensor? What to do to the engine?

Do you want to know more about how each sensor and actuator of the motor control unit of the XU10J4RS works? This! You're going a mole chub:

Plate components:

Plate speeduino 0.43b ▶ ︎ https://goo.gl/ZACH85
Arduino Mega Amazon ▶ ︎ https://amzn.to/2D1kUd6
Arduino UNO Amazon ▶ ︎ https://amzn.to/2OosRvh
List of components for Speedunio V0.4 ▶ ︎ https://goo.gl/KB9F34
Firmware Speeduino for Arduino Mega ▶ ︎ https://goo.gl/d4KKe4
IDE Arduino ▶ ︎ https://goo.gl/pC3uMW
Download Tuner studio ▶ ︎ https://goo.gl/wV74gN
Speeduino Wiki ▶ ︎ https://goo.gl/oHjXB3
Follow us on:

1. Music by Assaf Ayalon
2. Bluerise by Oliver Michael


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