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--- blog:386_pc_mt32pi [2021/05/24 09:28] – [Parts] john
+++ blog:386_pc_mt32pi [2021/05/29 23:40] (current) – [Completed MT32-Pi Installation] john
@@ Line 1: / Line 1: @@
 ====== MT32-Pi, 386 Installation ======
-==== The Aim ====
+This is part of my [[blog:386_pc|386 PC adventures]], a bit of a //finishing touch//, if you like. I already have a MIDI card for the machine, and was intending on adding a connection to my bank of physical MIDI devices... however I caught wind of the latest state of the [[https://github.com/dwhinham/mt32-pi/|MT32-Pi project]] and considered adding a software emulation of a Roland MT-32 synth //inside the PC itself//...
-//In short:// Put a virtual one of these:
+The aim, //in short//, is to put a virtual one of these:
 {{:blog:386:mt32.jpg?400|}}
-Inside this:
+inside this:
 {{blog:386:img_2057.jpg?300}}
@@ Line 17: / Line 17: @@
 Lots of people are now building these devices, packaging them in to small instrument cases or similar. However, I really liked the idea of having one or two computers where all of the MIDI functionality was //entirely built-in//, and not reliant on external boxes or power supplies. "//Hmm...//" I thought; "//...that 5.25 drive bay looks like just the place I could fit such a device//".
-==== Parts ====
+===== Parts =====
    * Raspberry Pi 3B
@@ Line 45: / Line 45: @@
 {{:blog:386:91zsu44_34l._ac_sl1500_.jpg?200|}} {{:blog:386:61rop2zmvtl._ac_sl1500_.jpg?200|}} {{:blog:386:connect_black_20x2_character_display_to_i2c_adapter_board_with_dupont_wire.jpg?200|}} {{:blog:386:dsc_0098_f7105b71-2252-43e2-8654-112666eb3fc7_600x.jpg?200|}}
-==== Progress Images ====
+===== Logical Connections =====
+{{:blog:386:mt32pi_logical_connections.jpg?600|}}
+===== Progress Images =====
 {{:blog:386:img20210523200824.jpg?300|}} {{:blog:386:img20210523200828.jpg?300|}} {{:blog:386:img20210523200840.jpg?300|}}
@@ Line 54: / Line 58: @@
 {{:blog:386:img20210523202426.jpg?300|}} {{:blog:386:img20210523202450.jpg?300|}}
+Tinted plastic fitted over LCD cutout:
+{{:blog:386:img20210525155049.jpg?300|}} {{:blog:386:img20210525155053.jpg?300|}}
+//Definitely// an improvement, but I need to try and cut out some of the backlight leakage from around the edges of the LCD screen.
+Much better:
+{{:blog:386:img20210525162416.jpg?300|}} {{:blog:386:img20210525162424.jpg?300|}} {{:blog:386:img20210525162446.jpg?300|}}
+{{:blog:386:img20210525162454.jpg?300|}}{{:blog:386:img20210525162509.jpg?300|}}
+Internal audio cable routing:
+{{:blog:386:img20210529174109.jpg?600|}}
+USB MIDI interface:
+{{:blog:386:img20210529164359.jpg?600|}}
+===== Completed MT32-Pi Installation =====
+Finished installation with volume dial:
+{{:blog:386:img20210529174236.jpg?400|}} {{:blog:386:img20210529174252.jpg?400|}}
+In action showing the emulated MT-32 LCD panel messages from [[https://www.mobygames.com/game/dos/silpheed|Sierra's Silpheed]] and channels in use:
+{{:blog:386:img20210529180821.jpg?400|}} {{:blog:386:img20210529180846.jpg?400|}}