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  • linarism's Avatar
    03-23-2020, 08:15 PM
    I use the XBees a bit but only between two modules. Even then it's been very tricky to get them to operate quickly because the default settings seem to be optimized around minimizing packet loss, not to maximize...
    2 replies | 89 view(s)
  • linarism's Avatar
    03-23-2020, 05:17 PM
    Can you post an example sketch that demonstrates the limits you're hitting? Maybe it can be optimized with a couple tweaks. Please also include the defines you changed in SdFat. The speed is limited partly due to the...
    4 replies | 115 view(s)
  • linarism's Avatar
    02-19-2020, 11:12 PM
    Does this mean it would be highly preferably to use this method instead of micros() or an elapsedMicros() object? Therefore can the elapsedMicros() class be rewritten to be faster for short period reads?
    14 replies | 695 view(s)
  • linarism's Avatar
    02-19-2020, 11:01 PM
    That sounds efficient for SPI! That probably makes the difference for flicker. Maybe I should give it a second try if there's a nice super-bright display I could find for it.
    26 replies | 1556 view(s)
  • linarism's Avatar
    02-19-2020, 10:59 PM
    I would recommend starting with the Gameduino code for trying the displays that include FT810, FT812, and FT815. I first tried the RiverDi 7" display using the GD3 code that was modified to work with Teensy3.2. Then...
    26 replies | 1556 view(s)
  • linarism's Avatar
    02-12-2020, 07:49 PM
    Gorgeous mechanics! I love the leg hinge solution. What material are you using it? You're spot on about the difficulty of using 'dumb' motors, closed-loop is a fundamental feature for systems with so many DOFs. If you...
    6 replies | 608 view(s)
  • linarism's Avatar
    02-07-2020, 07:43 PM
    How good is the RA8875? Last time I tried to use it I couldn't get it to stop flickering! Could be my fault. I've been using the 7.0" 800x480 EVE displays that run on the FTDI FT813 chip using SPI (also compatible...
    26 replies | 1556 view(s)
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Huge Latency + Errors when Sending Analog Values using XBees 03-23-2020 08:15 PM
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