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    The Teensy 4 does seem a little strong. The...

    The Teensy 4 does seem a little strong. The processing feels light and there does not seem the need for significant memory storage. I'm still learning how to take advantage of the Teensy...
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    TFT to display ongoing vacuum changes

    Oh mighty forum, your guidance to my needs is hereby respectfully solicited. - Steve

    Goal: Touch TFT on Teensy 4.0 to display active changes of vacuum pressure
    Assumptions / needs:
    // 0) use...
  3. method to addd a transistor to 4.0 or 3.2 to boost a pin output to 5v

    For either a 4.0 or 3.2, I need to boost the output of a pin, for example
    void setup() {
    pinMode(5, OUTPUT); // and later
    void loop() {
    digitalWrite(5, HIGH); // produces ~3.3v on pin 6
    yet I...
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