On 5/24/2015 5:46 AM, Attila Kinali wrote: > On Wed, 13 May 2015 09:07:44 -0500 > bownes <bow...@gmail.com> wrote: > >> For the advocates of RPi solutions, I put about half a dozen in to support >> some non mission critical infrastructure about a year ago. We are using them >> for for logging, reading QR codes, running a vending machine, kiosk web >> browsers, and similar tasks. In short, nothing requiring heavily lifting. >> >> I've been incredibly dissappointed in the results. Well over half of them >> have needed replacement and not a one runs reliably. They need rebooting at >> intervals from hours to a few tens of days to recover from total lock up. >> The problem is not environmental, power or SD cards. > Do you know what the problem is? > > I know that the RPI has pretty cheap design (like most of these super-cheap > SoC boards) and does suffer from a few problems. The most common one > is under-designed power supply. Together with the ultra-cheap wall-wart > supplies mostly used results in a quite decreased MTBF due to spikes/drops > on the power rails (BTW: soekris suffers from that too, just that a better > wall-wart supply doesn't help). Depending on the environment, in which > those boards are run, overheating might also be a problem. > > Other than that, i am not aware of any software or hardware issues that > would cause the RPI, or any other board, to run unreliably. > > Attila Kinali Many of the chips in the original PI run rather hot and need heatsinking if used in other than free-air ambient temperatures. I've given up on them for anything that I can't easily reset.
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