Any suggestions for general questions to ask potential customers ?

Some thoughts -

When is this needed ?

Is this a prototype or proof-of-concept only ?

Or is quantity required ? How many ?

What precision / accuracy ?

Power supply ?

Environment the product will be in ?

Size ? Importance of size ?

Cost ? (or cost vs quality)

Longevity ?

What is your budget ? (is that relevant or appropriate ? Could
you apply for a development grant for example to help ?)

Have you approached another developer, what result ?

Is there a competing product ? (Details ? Reason for you
making your own ?)

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