PCB designer based on completed opensource projects

Job ID: 31927287

Budget: $30 – $250 USD

Hi

I need some help to design a PCB for a Raspberry PI 3/4 HAT

It should include the festures/design from various opensource projects listed below.

The first 2 features development is done,the 3. I need some help to design/develop

And it all should be added to the Raspberry PI HAT PCB

1.
https://github.com/jbruce12000/kiln-controller/issues/40

2.
https://kookye.com/2017/06/01/design-a-smoke-detector-through-a-raspberry-pi-board-and-mq-2-smoke-sensor/

3.
A way to control an external ventilation system. The control box is controlling a 0-10V speed wire, where 0 = off

If you are interested in knowing more, please let me know

Thanks