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  1. M

    Diodes in counter circuits (and a dead Teensy)

    Apologies @BillFM for the slow response, been very busy with work and not Teensying very much but... It's alive! I'm not too sure when or how. If it's the fuse it took a very long time to reset. But I'm very happy to back to a pair of Teensies :) Seeing as you also recommend not to use caps...
  2. M

    Diodes in counter circuits (and a dead Teensy)

    Heya Bill, thanks for taking the time to explain things in detail. It's quite rare and I really appreciate it. I took a while to respond because I wanted to do my homework and be clearer this time. I've underlined what I'd like you to comment on to save you time scrolling up and down. This is a...
  3. M

    Diodes in counter circuits (and a dead Teensy)

    Hi crew! Yesterday I breadboarded a little test circuit to multiplex a bunch of switches using two 4022 counter. The idea was to have a Teensy 3.1 (3.3V logic, 5V tolerant on the digital pins) to generate a clock for the counters so I started with one counter and 4 switches just for a proof of...
  4. M

    Drawing to u8g2 from my own UI class

    OK so I tried that, and got shouted at again by the compiler. The passing by reference thing is definitely the answer but instead of U8G2_SSD1309_128X64_NONAME0_F_4W_HW_SPI I needed to use U8G2. I think I was getting confused between the class name and the constructor used to instantiate my...
  5. M

    Drawing to u8g2 from my own UI class

    Hi everyone and thank you for taking the time to read this. I am working on a diy music machine which has an oled display that I am driving using the u8g2 library. I have started writing a class for the UI and I am trying to use u8g2 methods straight from it to write to the display but I am...
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