You've got to be mindful of the differences between the ruggeduino outputs and those of a normal Arduino board. It does look like it could be nice if you're doing development in circumstances where accidents are frequent enough that the "buy the cheapest board and get some spares" school of thought won't work have you seen how cheap Uno and Nano clones are on ebay?
This is a higher bar than you'd think , or are using it in a hostile environment. But IMO, for most purposes, you shouldn't need the ruggedized arduino, because it protects against doing things that you should never do in the first place. But no, I'm afraid I don't know of a cheaper source for them - I'm not sure if one exists, or how much room there is in the BOM for a cheaper version. So for the price of one Ruggeduino, you can buy eight less rugged clones on eBay. Note that I have carefully avoided the trap of citing a bogus "UNO" which is actually a pseudo-Duemilanove.
Actually, I am mildly promoting "Alice". I have found no fault with the components. She appears to specialise in the electronic parts rather than bling and sex toys and also appears to know what they actually are , for example correctly describing USB to TTL adapters with the necessary DTR pin though also stocking the less useful ones.
I think eBay - despite its nuisances such as obscuring pop-ups and permitting vendors to withdraw their items when their auction fails to reach the price they actually wanted with no way to complain about that practice - has realised that allowing hot-linking to their images through other sites is actually excellent advertising in itself.
Do not worry, everybody has done the same thing at one time or another. And the usual prototyping practice of inserting jumpers all over the darn place just begs for self-destruction. One thing to do is to use an UNO board for prototypiing, and buy a few extra mega bootloader chips, and simply plug a new one in when you blow things up.
And also stay away from boards using surface-mount processor chips until things are somewhat finalized. Then, short circuits and overvoltages will be less destructive.
What you can do here is buy some plug-in prototyping boards and wire your own headers and series-Rs on it. And always remember: "measure twice, cut once" and "look before you leap", or something to that effect. If you click the Download button on that page you will get a number of useful sketches. The one Those photos were taken of a Ruggeduino, but the concept is the same. Chris Stewart3D. The source is also available at the bottom to download.
Tested with my Ruggeduino Uno , my nunchuck library, and the Download the code unto the Arduino with nothing connected to the Rx1 You need to install the Arduino software t Figure All of the sketches used in this book can be downloaded as a zip file types of interrupt signals, Roboduino, unofficial Arduino boards, 13 Ruggeduino, unofficial Arduino boards, First, download the Windows ZIP and extract it.
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