markslakter Posted October 30, 2021 Report Share Posted October 30, 2021 I'm building a stereo SID and I have the perfect enclosure. There are some size restrictions so I wanted to make a combined DIN and controller surface. It's still just for a minimal control surface, I just want someone to see if there is any obvious mistakes. I'll add to it when I can see how much room I got when start placing components the PCB. This is my second schematic ever, and I have no idea what I'm actually doing. midibox_sid_controller.pdf Quote Link to comment Share on other sites More sharing options...
latigid on Posted October 30, 2021 Report Share Posted October 30, 2021 Pin 10 on U2 would seem not to have a pull-up resistor (all digital inputs need a defined logic state). Otherwise, it looks basically like it follows the DIN module schematic (can't say anything about your proposed mapping or header connections). Quote Link to comment Share on other sites More sharing options...
markslakter Posted October 30, 2021 Author Report Share Posted October 30, 2021 19 minutes ago, latigid on said: Pin 10 on U2 would seem not to have a pull-up resistor (all digital inputs need a defined logic state). Fixing it now. Thanks for the input. Quite new to electronics so it is nice to get some reassurance. Quote Link to comment Share on other sites More sharing options...
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