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New project for my racing sim pedals, need help designing the schematic...

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Kacee

New Member
Hello,

I'm trying to make myself a set of pedals for my racing sim cockpit, just like this one CST Pedals.

Mechanical parts I have been working with my friend who own a workshop, he is very helpful.

Onto the electrical parts, I'm stuck :D

OK, not really so, I was going to order Leo Bodnar board (Load Cell Interface BU0836-LC - USB) but I think I can make it myself.

I need a board that need to fulfill these requirements:

- 3 channels ADC
- USD interface with Windows as a HID game controller devices.

Peripherals are:

- 2 potentiometers OR 2 hall sensors
- 1 load cell

So after looking around, I decided to use this microcontroller PIC18F14K50. The load cell need an amplifier to interface with that MCU so I will use an Analog Device AD623 InAmp.

I don't know how to use a hall sensor so I don't know what do I need at the moment.

Also, I bought an ICD2 LE kit with DM300027 board for $60 (I think it's a deal here in Vietnam) so I would like to have ICSP connector on the board without header.

Sorry for the long and confusing post, my English isn't very good. I want to ask you:

- Can I use those parts (PIC18F14K50 and AD623)?
- What do I need to use hall sensors instead of pots?
- I read on Microchip site that PIC18F14K50 can't be use with ICD2 without a header, so can I use PIC18F2550 when I'm developing the firmware and switch to PIC18F14K50 in final board?
- Anything I'm missing, please tell me.

Any help with be very useful, as I'm very new to all of this.

Thank you.
 
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