I am getting some free boards from a particular maker,I won't say who. They contacted me to check on delivery addresses which started a chat where I revealed why I was buying so many little boards.
They were very pleased that I was going to mention their boards in the book, and I am though only as an alternate option, and offered to cancel my payment and send me some free boards.
I have to say that is incredibly nice, I probably could have wangled a few other free boards from other makers too, but I don't want to be accused of any kind of favouritism. Most of the boards I've bought so far are perfectly suitable target system, but nearly all, have some issue when it comes to being used a general computers. this makers units also have a few flaws but I do think they have the best value for money, its a shame they don't have the user base Raspberry has...which is mind-numbingly massive
Anyway...quite pleased, but I think in future I won't mention my book in any correspondence with makers, I like the idea of the free boards, very much, but don't want to be compromised in my neutrality.
free boards though.....hmmm