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  • ossi's Avatar
    10-12-2019, 09:08 AM
    I want to toggle directly the LED pin (pin 13) without using any library routines or any predifined constants. Has someone an example? Is it right that the pin13-toggle is on port 401B8000+4000+8C on the Teensy 40 and...
    1 replies | 49 view(s)
  • ossi's Avatar
    10-07-2019, 07:14 AM
    @DerekR: Thanks for your hint. My sawtooth has 1.4Hz and a 2u2+10k highpass has 7Hz cutoff frequency. So my frequency is too low. If I increase the sawtooth frequency to 100Hz everything is ok!
    2 replies | 81 view(s)
  • ossi's Avatar
    10-06-2019, 04:00 PM
    I generate a sawtooth waveform and output it via the SGTL5000 Audio Board (see code below). The LineOut output seems to have a quite large impedance. When I connect the output pin with ground via a 10k resistor the...
    2 replies | 81 view(s)
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