manoukianv/opensimpedals

Source code and electronic for OpenSimPedals

This project is an open hardware Load Cell pedals for sim racing.

Presentation

Introduction

Make / order the PCB (or circuit on a breadboard), flash the firwmare, and connect the USB cable to the PC : you have a new pedals Set :-D

Build tutorial are available here : Instructables

Main feature

• Standalone : not required software on PC, pedals are seen like a Joystick, just setup the game ;)
• In the main.h, you can choose which pedal you want, you can have 1,2 or 3 pedals.
• 3 LoadCell with 16b accuracy
• High sampling/second : 80-1 Pedal / 40-2 Pedals / 27-3 Pedals
• Automatic start calibration
• Settings for Throttle / Brake / Clutch range and start DeadZone stored in permanently memory
• Oled screen to check range (click on +/- button) and setup parameters
• use the light keyboard and Oled Screen to setup parameters

Hardware

Pedals

OpenSimPedals pedals will be share on thingiverse. They are designed to be print with this specification :

• Throttle : loadCell, 40kg push on pedal
• Brake : loadCell, 100kg push on pedal
• Clutch : loadCell, 20kg push on pedal The BOM, will be shared on thingiverse

Electronic

The support board.

• The "Electronic" directory contain : the schematic, the gerber (to order board on web site)
• CPU : Arduino Micro Pro (5V-16Mhz)
• OLED : SSD1306 Oled 0.96 I2C screen
• ADC : 3*ADS1232
• Connector (KF301-4P) and button (6mm/6mm push button)

The firmware

• Clone this repository in VisualStudioCode
• Platformio plugin allow you to build and upload on the arduino micro

Licences

Software under GPL v3

External component used :

• used and modify ADS123X from https://github.com/HamidSaffari/ADS123X
• used and modify Joystick from https://github.com/MHeironimus/ArduinoJoystickLibrary
• used u8G2
• used EEPROMex

opensimpedals's Issues

Dearest Vincent Manoukian!I need your help!

Hello, your pedal design is very beautiful, so I also customized the PCB, but I encountered a problem when I tried to write the code into the development board. The development board I used is sparkfun Pro micro 5V / 16mhz, the C + + development tool is the latest version of Visual Studio Code, and the compiler is MinGW.
So, if possible, can you help me change the code into a standard that is suitable for debugging in ArduinoIDE, because this is really too difficult for me (I don't understand these programming languages), please, wish you a smooth job!

Video of the board operating?

Hello!
Beautiful work. I love how pro the whole setup looks. Just ordered a PCB for the same. Can you please share a video of the system working? Or images of a final product? How has it been functioning for you?

BOM

Project still missing Hardware Bill of Materials.