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Arduino and AVR are 8-bit microcontrollers. ARM chips are 32- or 64-bit CPUs. There are plenty of ARM SoCs out the which can run Linux off of an SD card: raspbe
by uiri 9y ago
Arduino and AVR are 8-bit microcontrollers. ARM chips are 32- or 64-bit CPUs. There are plenty of ARM SoCs out the which can run Linux off of an SD card: raspberry pi and beagle bone black come to mind. There are plenty of use cases where an AVR chip is underkill (e.g. anything that needs parallel processing) and an ARM chip is overkill (e.g. digital thermometer).
- vidarh 9y ago> There are plenty of ARM SoCs out the which can run Linux off of an SD card: raspberry pi and beagle bone black come to mind. In case you misunderstood: The above is not about running Linux off of a stored diskimage on an SD card. The ARM SoC in question fits in an SDcard. They're intended for e.g. putting in your camera so you can have wireless, wifi access to the images on the SDcard. Other than that I agree - there's certainly still room for both. But the point is you can physically fit a Linux capable computer in an SDcard form factor, and drawing 100mA, which means the niches where smaller micro-controllers is the only alternative have narrowed accordingly.