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I want to design a small and cost effective microcontroller board for 2 gases control.
I sketched schematic diagram and flow charts roughly, which are attached as zipped file.
I need very cost effective board in material cost.
On proposal, I want the following described.
Or I will not consider it.
1. estimated material cost.
2. type of microcontroller
And I want to receive final results as follows;
1. 2sets of fully component inserted and tested controller boards.
2. 2 pcs of bare pcb.
3. all of pcb design files
4. full of embedded software sources..