Question of the Month: What is the most important element when choosing a microcontroller to be used in a project?

e14 Question of the Month

We're interested in finding out what considerations are most important to you when choosing a microcontroller. Take the poll and let us know, and please tell us why in the Comments section below!

Top Replies

dougw over 1 year ago +3

It is essential that the features match the requirements. In the case that multiple microcontrollers include enough features to solve the problem, other criteria come into play. The primary overall criterion…
dougw over 1 year ago in reply to michaelkellett +3

Availability and what you have in the cupboard definitely can dominate the decision.
Gough Lui over 1 year ago +2

For our most recent project, conceived in the middle of a chip shortage - it was availability that was the primary element. If you can't buy it, especially for a project to be developed within a month…

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michaelkellett over 1 year ago

It just has to be "other".

Requirements can include things like architecture, dev tool experience/ownership etc.

For some jobs the price of the device is significant but for others (eg custom test equipment which I do quite a bit of) then it hardly matters at all. The development cost may run into tens of £k and three boards are built (one for me, one for the application and one spare). The cost of the processor just doesn't feature.

Over the last 2 years the primary issue has been availability - so many parts are unobtainable.

MK
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dougw over 1 year ago in reply to michaelkellett

Availability and what you have in the cupboard definitely can dominate the decision.
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dougw over 1 year ago in reply to michaelkellett

Availability and what you have in the cupboard definitely can dominate the decision.
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