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Member #570197

Member Since: July 7, 2014

Country: United States

  • Because the raspberry pi is intended to run linux, there is no guarantee that your process will be active when a input changes state. If the event is really shot (like, say, a pulse from a sensor that outputs PWM) and the process that handles USB or whatever is active, your process may miss the sensing window, meaning that you won’t get the sensor update. Buffered inputs, like what this board allows for, eliminate this problem.

  • plz hurry

  • It might be doable if you use a USB to UART adapter and plug the second displays interface into that.

  • This part works great! However, it appears that the one I purchased may have been defective. After about an hour of continuous use it shut off and refused to turn back on. I couldn’t find any traces of physical damage. Is this by chance covered under Sparkfuns replacement policy?

  • Once set, you don’t have to do anything to make them maintain their color

  • It depends the polarity.

  • These are solid state devices. In general if it’s solid state, as long as you keep within the stats in the datasheet, it should last much longer than any moving parts of your creation.

  • A little bit ya. Solder likes to stick to its self so it doesn’t form dust unless you use some kind of special grinder that’s neither water cooled nor heats up enough to melt the solder. Also, lead won’t turn into a gas until about 1750 *C, which is far hotter than any soldering iron will get without setting the PCB or your hand on fire.

    I did my research on this because I’m also a wee bit paranoid about entirely random things sometimes.

  • Can it be made loud enough to really surprise a sleeping person if you press it against their forehead?

  • The max acceptable voltage is 80

No public wish lists :(