![]() ![]() There are eight user LEDs on the board, plus the 28 I/O pins that end in pinheaders. The iCE40 FPGA has 144 pins, so you’re probably asking yourself where they all end up, and frankly, so are we. (Hackaday.io has two Arduino clones using SVG pinouts: in SMT and DIP formats.) This is great for attaching small, powered sensors using a three-wire cable like the one that you use for servos. But they’ve also doubled them with pinheaders in a more hacker-friendly layout: SVG - signal, voltage, ground. The Alhambra board itself looks to be Arduino-compatible, with the horrible gap between the rows on the left-hand-side and all, so it will work with your existing shields. Now we know - it’s the support software for an FPGA “Arduino”. Indeed, we were wondering what the BQ folks were up to when they were working on an easy-to-use GUI for the FPGA family. It’s based on the Lattice iCE40 FPGA, which we’ve covered previously a number of times because of its cheap development boards and open-source development flow. What would you get it you mashed up an FPGA and an Arduino? An FPGA development board with far too few output pins? Or a board in the form-factor of Arduino that’s impossible to program?įortunately, the ICEZUM Alhambra looks like it’s avoided these pitfalls, at least for the most part.
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