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Which pins did you use to connect the key bank as they are not shown on the schematic ?
Hi Can you include link to case - thingiverse ? stl file
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Hi, I came across your project and I got interested in building it, i checked the code and saw that it need revising, i shall add an lcd to this little project and remove the leds and 2 switches. compiling for sd1306 is out of the question so i will resort to a 16 x 2 lcd, Keep you posted.
What is the transistor that you used, it surely must handle all the current that is passing through the ld.