Merge pull request #88 from Neotron-Compute/change-case-led-voltage

LED and Switch updates.

Author: thejpster

.gitattributes

@@ -2,9 +2,27 @@
 
 # Unreleased Changes
 
-* Fixed https://github.com/Neotron-Compute/Neotron-Pico/issues/43
-* Re-arranged Q801 and Q802 on PCB layout, but labelled them as PNP and NPN to avoid
-  confusion.
+* Re-arranged top-sheet
+* Two PSU control BJTs are now surface mount
+* Support 5V DS1307+ as well as 3.3V MCP7940N Real Time Clock
+* Use 200mA Holtek HT7533-1 stand-by regulator
+* Swapped MCP23S17 for MCP23S18 (because that's what's available)
+* Added internal 12V input header
+* K7805-3AR3 control pin is protected with a zener (allows higher input voltages)
+* Changed K7805-3AR3 to have ceramic output cap (#84)
+* Remove all the Octopart CPL references (#83)
+* Increased VGA DAC current (#77)
+* Replace 74HC245 with 74HC138, plus five LEDS for the now spare pins (#65)
+* Added missing I²C pull-ups (#61)
+* Change I²S pinout to match Raspberry Pi demo board (#60)
+* Pulled CODEC's CS pin (#59)
+* Added pull-ups to all SPI CS lines (#58)
+* VGA ESD protection chip has bypass pins for when not fitted (#51)
+* Case LEDs driven from 12V supply (#46)
+* Fixed dead short through PSU Control BJTs (#43)
+* Adds 6mm switches for power and reset (#42)
+* Added internal 5V/3.3V output header (#41)
+* Reverse polarity protection on the input (#40)
 
 # [Version v0.5.2](https://github.com/Neotron-Compute/Neotron-Pico/releases/tag/v0.5.2)
 

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