Table of Contents

MIDI Adapter

Use to convert a MIDI signal to something suitable for AVR's etc.

Board is in subversion. Tested and working….

Build

<HTML> <a href=“http://www.flickr.com/photos/51925658@N08/5545247145/” title=“R2 by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5291/5545247145_cdf0601975.jpg” width=“500” height=“375” alt=“R2” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545825406/” title=“R1 by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5260/5545825406_3bf008c8f2.jpg” width=“500” height=“375” alt=“R1” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545247213/” title=“LED by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5058/5545247213_683cd7f780.jpg” width=“500” height=“375” alt=“LED” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545247269/” title=“R3 by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5024/5545247269_6960cebfab.jpg” width=“500” height=“375” alt=“R3” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545247305/” title=“R4 by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5251/5545247305_5e6a8b640e.jpg” width=“500” height=“375” alt=“R4” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545247359/” title=“Diode by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5058/5545247359_2a5c435da1.jpg” width=“500” height=“375” alt=“Diode” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545825596/” title=“Diode by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5058/5545825596_4908cb44b1.jpg” width=“500” height=“375” alt=“Diode” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545825656/” title=“Optocoupler by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5255/5545825656_8bb9387915.jpg” width=“500” height=“375” alt=“Optocoupler” /></a> <P><a href=“http://www.flickr.com/photos/51925658@N08/5545825698/” title=“Optocoupler by charlie _x, on Flickr”><img src=“http://farm6.static.flickr.com/5094/5545825698_64843042e3.jpg” width=“500” height=“375” alt=“Optocoupler” /></a>

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Others

http://nutsvolts.texterity.com/nutsvolts/200508?pg=46&search_term=midi%20to%20usb#pg44

http://nutsvolts.texterity.com/nutsvolts/200508?pg=46&search_term=midi%20to%20usb#pg46 

Partlist exported from E:/032/MidiAdapter/MidiAdapter.sch at 3/15/2011 9:29:14 PM

Part    Value                    Device                   Package              Description              
D17     1N4148                   DIODE1N4148              DIODE-1N4148         Diodes                   
IC2     6N138                    6N138                    DIL08                MOTOROLA OPTO COUPLER    
J1                               AVR_SPI_PRG_6OFFSET_PADS 2X3_OFFSET           AVR ISP 6 Pin            
LED1                             LED1206                  LED-1206             LEDs                     
MIDI.IN MIDI_CONN_FEMALE_SUPPORT MIDI_CONN_FEMALE_SUPPORT DIN_5_FEMALE_SUPPORT                          
R1      220                      R-EU_R1206               R1206                RESISTOR, European symbol
R2      220                      R-EU_R1206               R1206                RESISTOR, European symbol
R3      1.2K                     R-EU_R1206               R1206                RESISTOR, European symbol
R4      5.6k                     R-EU_R1206               R1206                RESISTOR, European symbol