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CHANGELOG:
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Version 0.1.7:
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Main:
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Decided to try and comment changes better.
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This at least gives a minor insight in to why I did it. I'll mark comments added later with an asterisk.
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Software:
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Practically rewrote the main loop.
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Instead of all the switch/case bullshit, I just dump to a variable and make that part of the
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conditional IF statements.
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Bitmapped the logo.
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Fonts are large. The 98x24 bitmap was smaller.
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Version 0.1.6:
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Software:
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Removed a bunch of functions in favor of passing arguments to function.
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The indvidual functions for setting each input and setting the LCD have largely been combined
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in to one since I figured out how to use arguments. Additional stuff changed/added to accomodate
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this.*
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Version 0.1.5:
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Hardware
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Removed 2003 ground from 595 enable line. (That was a stupid idea that thankfully didn't blow up.)
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I calculated the relays to be 40mA each. Sinking that much current from an IO pin is pushing it, let alone
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the fact I need two relays for phono inputs.
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Added logic invterter to drive the 595 enable and 2003 ground. (Transistor can sink more current).
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The 2N2222 is rated for like...800mA or something; wayyyy more than I need. In retrospect, this would have been
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a better solution overall than the reset circuit on the 595. Will I change it? I'll have to play with it.
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Software:
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Flipped srEnable logic to drive logic inveter added to board.
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Version 0.1.4:
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Main:
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Project is now called HiFiLOGIX
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Hardware:
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Tied ULN2003/2803 ground to 595's enable line
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Even with the shift register quiet during boot, the darlington array isn't; and pull-down
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resistors don't seem to help. But I soon realize this is a stupid idea.
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Replaced 1602 display with SSD1306 128x32 OLED
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Software:
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Added code to drive OLED display.
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Removed 1602 display code.
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Version 0.1.3:
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Hardware:
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Added power-on reset RC circuit to control 595 master reset.
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Removed 595 master reset from Arduino control.
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Software:
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Removed 595 master reset commands.
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Version 0.1.2:
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Hardware:
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Wired 595 output enable and reset to Arduino control.
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Software:
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Added output and reset commands for 595.
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Version 0.1.1:
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Hardware:
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Added KY-022 IR module (1838 IR sensor with integrated resistor+led)
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Software:
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Added basic support for IR remote control.
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Version 0.1
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Hardware:
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Added I2C 16x2 LCD Display
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Software:
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Added support for display.
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Version Alpha2.1
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Software:
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Created routine to shift all 0s to 595.
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Added two-relay switching for Phono-1
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Added Phono-2 routine.
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Version Alpha2
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Software:
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Fixed shift register bug from Alpha1.
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Removed serial monitor debugging.
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Cleaned up main loop if statement.
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Version Alpha1
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Hardware:
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Initial build. Just switches and LEDs on a 595.
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Software:
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Initial offical release. Totally broken.
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