Difference between revisions of "Build a Zynthian"

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−
= How to build a Zynthian (Prototype-3) =
+
= How to build a Zynthian =
  
−
'''Manual is currently in development! (20150406)'''
+
'''This manual is currently in development!'''
  
 
== Disclaimer ==
 
== Disclaimer ==
Line 89: Line 89:
 
'''Notes:'''
 
'''Notes:'''
 
* Pos. 19-22 were ordered directly from Zynthian.
 
* Pos. 19-22 were ordered directly from Zynthian.
−
* There is no case in this BoM - You have to build your own.
+
* There is no case in this BoM - You can build your own or ask Zynthian.
 
* Total price was 200,27 € (plus shipping).
 
* Total price was 200,27 € (plus shipping).
  
 
[[File:Zynthian_Parts.jpg|600px]]
 
[[File:Zynthian_Parts.jpg|600px]]
  
−
== Assembly and Soldering of the PCBs ==
+
== Assembly and Soldering of the modules (PCBs) ==
  
−
=== Step 1: 2in1 board ===
+
=== Step 1: 2in1 modules ===
  
 
==== You need: ====
 
==== You need: ====
Line 108: Line 108:
 
* 1 * resistor 220 Ohm (red-red-black-gold, pos. 5)
 
* 1 * resistor 220 Ohm (red-red-black-gold, pos. 5)
 
* 1 * diode 1N4148 (pos. 1)
 
* 1 * diode 1N4148 (pos. 1)
−
* 1 * IC socket 8 pins (pos. 10)
+
* 1 * IC socket 8 pins (pos. 10) => OPTIONAL! Not included in the Kit
−
* 1 * IC socket 18 pins (pos. 9)
+
* 1 * IC socket 18 pins (pos. 9) => OPTIONAL! Not included in the Kit
 
* 1 * IC 6N138 (pos. 2)
 
* 1 * IC 6N138 (pos. 2)
 
* 1 * IC MCP23008 (pos. 15)
 
* 1 * IC MCP23008 (pos. 15)
Line 116: Line 116:
 
* 1 * 2in1 PCB (pos. 20)
 
* 1 * 2in1 PCB (pos. 20)
  
−
[[File:2in1_Parts.jpg|600px]]
+
[[File:2in1_kit.jpg|600px]]
  
 
==== HowTo: ====
 
==== HowTo: ====
 
# Start with assembling the diode onto the PCB. '''Be careful to do this the right way - the small black (or white) stripe on one side of the diode must fit the same side of the white stripe on the PCB!'''
 
# Start with assembling the diode onto the PCB. '''Be careful to do this the right way - the small black (or white) stripe on one side of the diode must fit the same side of the white stripe on the PCB!'''
−
# After that solder the resistors.
+
# After that, solder the resistors.
−
# Then assemble the IC sockets, but do not fit the ICs yet. We will do this at the end of this task.
+
# Then assemble the ICs.'''Put attention to the orientation!!.''' If you prefer, you can use IC sockets (but do not fit the ICs yet, we will do this at the end of this task.)
 
# After that, solder the capacitors and the multi-pin-rows.
 
# After that, solder the capacitors and the multi-pin-rows.
−
# Now insert the ICs into the socket. '''Be careful to put them with the notch on the IC towards the hole of the white rectangle showing on the PCB!'''
+
# If you used IC-sockets, now insert the ICs into the socket. '''Be careful to put them with the notch on the IC towards the hole of the white rectangle showing on the PCB!'''
  
−
[[File:2in1_Solo.jpg|600px]]
+
[[File:2in1_ensambled.jpg|600px]]
  
 
For the MIDI socket you have to cut off one side of the female/female cable and solder this side to the DIN-socket. Connect the cables to pin 5 (2nd from left) and pin 4 (2nd from right).
 
For the MIDI socket you have to cut off one side of the female/female cable and solder this side to the DIN-socket. Connect the cables to pin 5 (2nd from left) and pin 4 (2nd from right).
Line 131: Line 131:
 
[[File:MIDI-socket_Solo.jpg|600px]]
 
[[File:MIDI-socket_Solo.jpg|600px]]
  
−
=== Step 2: Encoder boards ===
+
=== Step 2A: Controller Modules Dual (2 x dual encoder controllers) ===
  
−
==== You need (for '''one''' Encoder PCB): ====
+
'''Note:''' If you have the new Controller Single modules you must jump to the Step 2B.
−
* 2 * rotary encoder with pushbutton (Pos. 17)
+
 
−
* 2 * 100nF capacitor (Pos. 8)
+
==== You need (for '''one''' Controller Module): ====
−
* 1 * multi-pin 6 pins wide (part of Pos. 24)
+
 
−
* 1 * multi-pin 2 pins wide (part of Pos. 24)
+
* 2 x rotary encoder with pushbutton (Pos. 17)
−
* 1 * encoder PCB (Pos. 19)
+
* 2 x 100nF capacitor (Pos. 8)
 +
* 1 x multi-pin 6 pins angle (part of Pos. 24)
 +
* 1 x multi-pin 2 pins angle (part of Pos. 24)
 +
* 1 x controller module PCB (Pos. 19)
  
−
[[File:Encoder_Parts.jpg|600px]]
+
[[File:controller_kit.jpg|600px]]
  
 
==== HowTo: ====
 
==== HowTo: ====
−
# '''Notice!''' Due to the mounting of the encoders on a front panel, the 6-pin-row must be soldered from the bottom of the PCB (pin numbering will be 1..6 from the lower side of the PCB!). '''The picture below shows the WRONG component side! (newer images will follow)'''
 
−
# The order of the following steps is not important: Solder the capacitors, the 2-pin-rows and the encoders to the board (on the upper side) - that's it.
 
−
# You have to do this twice - you need two encoder boards.
 
  
−
[[File:Encoder_Solo.jpg|600px]]
+
# The order of the following steps is not important: Solder the capacitors and the encoders to the board (on the upper side) - that's it.
 +
# Solder the 6-pin and 2-pin-rows. '''IMPORTANT!''' Due to the mounting of the encoders on a front panel, the pin-rows connectors must be soldered on the bottom of the PCB. The 6-pin-row must have its pins as showed in the photo (pin numbering will be 1..6 from the lower side of the PCB!). For optimal case mounting, the 2-pin-row should be soldered with different orientation in each module. One with right-orientation and the other one with left-orientation.
 +
# You have to do this twice - you need two encoder boards ;-)
 +
 
 +
[[File:controller_ensambled_01.jpg|600px]]
 +
 
 +
[[File:controller_ensambled_02.jpg|600px]]
 +
 
 +
'''Note:''' Mount the pin row at the bottom of the PCB. Look the photos!!! ;-)
 +
 
 +
=== Step 2B: Controller Modules Single (4 x single encoder controllers) ===
 +
 
 +
'''Note:''' If you have the old Controller modules, with 2 rotary encoders each, you must read the Step 2A.
 +
 
 +
==== You need (for '''one''' Controller Single Module): ====
 +
 
 +
* 1 x rotary encoder with pushbutton (Pos. 17)
 +
* 1 x 100nF capacitor (Pos. 8)
 +
* 1 x multi-pin 4 pins angle
 +
* 1 x controller single PCB
 +
 
 +
[[File:4xcontroller_single_kit.jpg|600px]]
 +
 
 +
==== HowTo: ====
  
−
Alternative: Mount the pin row at the bottom of the PCB:
+
# The order of the following steps is not important: Solder the capacitor in the C1 position (right side) and the encoder to the board (on the upper side) - that's it.
 +
# Solder the 4-pin-row. '''IMPORTANT!''' Due to the mounting of the encoders on a front panel, the pin-row connector must be soldered on the bottom of the PCB. The 4-pin-row must have its pins as showed in the photo (pin numbering will be 1..4 from the lower side of the PCB!).
 +
# You have to do this 4 times - you need 4 encoder boards ;-)
  
−
[[File:Encoder-Pins-Down.jpg|600px]]
+
[[File:controller_single_ensambled_01.jpg|600px]]
  
 
=== Step 3: Pin row on the Hifiberry ===
 
=== Step 3: Pin row on the Hifiberry ===
Line 199: Line 224:
  
 
=== Raspberry Pi and Hifiberry DAC+ ===
 
=== Raspberry Pi and Hifiberry DAC+ ===
−
Put the Hifiberry DAC+ onto the Raspberry Pi. With the Hifiberry there come 4 distance pieces and 4 screws (all plastic). Put them together as shown in the following picture.
+
Put the Hifiberry DAC+ onto the Raspberry Pi's GPIO header. With the Hifiberry you get 4 distance pieces and 4 screws (all plastic). Put them together as shown in the following picture.
  
 
<p style="border:1px solid #AAA;padding:0;font-size:150%;line-height:2">
 
<p style="border:1px solid #AAA;padding:0;font-size:150%;line-height:2">
Line 238: Line 263:
 
! Wire no. || Function || MIDI-IN pin no.
 
! Wire no. || Function || MIDI-IN pin no.
 
|-
 
|-
−
| 1 || MIDI-IN-5 || 5 (MIDI connector: 2nd from left)
+
| 1 || MIDI-IN || 2 (MIDI connector: 2nd from left)
 
|-
 
|-
−
| 2 || RxD || 4 (MIDI connector: 2nd from right)
+
| 2 || MIDI-IN || 4 (MIDI connector: 2nd from right)
 
|-
 
|-
 
|}
 
|}
  
−
=== Controller ===
+
=== Controller Dual Module x 2 (2 rotary encoders each PCB) ===
  
−
This step is a bit tricky. Depending on your setup it may be useful to solder the 6-pin header row to the back of the PCB, so you can front mount the encoders. In my setup, I bent the 6-pin-row by 90 degrees. The original Zynthian doesn't have this modification, so the pin numbering in the pictures is different!
+
This step is a bit tricky. Remember that, if you follow the instructions before, you have soldered the pin-rows in the bottom side of PCBs, so numbering is reversed when looking from bottom. You can use a little trick: if you rotate the PCB 180º, then numbering is "left to right" again ;-)
  
 +
So '''you should look at your controller modules from bottom side and with the pin-row on the top of PCB!'''
  
−
'''Looking on the top of the PCB with the 6-pin-row down:'''
+
'''PHOTO NEEDED HERE!!'''
−
* Mounting the 6-pin-row on top of the PCB: Pin numbering starts on the left of the row!
 
−
* Mounting the 6-pin-row on the back of the PCB: Pin numbering starts on the right of the row!
 
  
−
Some encoders have reversed pin ordering, so you have to change A and B pins.
+
'''Note:''' Some encoders have reversed pin ordering, so, if you buy the encoders by yourself, perhaps you have to change A and B pins.
  
 
==== Controller 1 ====
 
==== Controller 1 ====
Line 307: Line 331:
 
|}
 
|}
 
[[File:Cable-schema-Controller.png|600px]]
 
[[File:Cable-schema-Controller.png|600px]]
 +
 +
[[File:Zynthian_alucase_zcontrollers_dual_right_wiring.jpg|600px]]
 +
 +
=== Controller Single Module x 4 (one single rotary encoder each PCB) ===
 +
 +
This step is a bit tricky. Remember that, if you followed the instructions before, you have soldered the pin-rows in the bottom side of PCBs, so numbering is reversed when looking from bottom. You can use a little trick: if you rotate the PCB 180º, then numbering is "left to right" again ;-)
 +
 +
So '''you should look at your controller modules from bottom side and with the pin-row on the top of PCB!'''
 +
 +
'''PHOTO NEEDED HERE!!'''
 +
 +
'''Note:''' Some encoders have reversed pin ordering, so, if you buy the encoders by yourself, perhaps you have to change A and B pins.
 +
 +
[[File:wiring_scheme_controllers_single.png|600px]]
 +
 +
[[File:zynthian_inside_01.jpg|600px]]
 +
 +
'''Warning:''' In this photo the controller modules wiring is reversed (1 by 2, 3 by 4). I will change it ASAP ;-)
  
 
=== Alternative cabling ===
 
=== Alternative cabling ===
Line 328: Line 370:
 
=== Getting the Image ===
 
=== Getting the Image ===
  
−
Currently the image is only available via torrent:
+
You can get the last SD image here:
  
−
[http://blog.zynthian.org/download/zynthian_sonar-2016-06-14.img.torrent Download torrent link] (sha1sum: 0067db634260e45f50467c1f90c322187a182872)
+
[https://discourse.zynthian.org/t/merry-zynthians-and-happy-new-sd-image/314 Gorgona SD Image]
  
 
=== Writing the image to the SD card ===
 
=== Writing the image to the SD card ===
  
−
If you got the whole image you can write it to an SD-card. Depending on your OS you have to choose how to create the SD-card. You need a minimum size of 16GB, better 32GB for more sample-sets in future. There is a really good manual for this at [https://www.raspberrypi.org/documentation/installation/installing-images/ | https://www.raspberrypi.org/documentation/installation/installing-images/].
+
If you successfully downloaded the whole image, you can now write it to an SD-card.
 +
 
 +
You need a minimum size of 16GB, better 32GB SDcard to allow for more instruments and sample-sets in future.
 +
 
 +
Use Etcher https://etcher.io/ (free software works on Mac, Windows or Linux)
 +
 
 +
Or do it manually: Depending on your OS you have to choose how to create the SD-card.  There is a really good manual for this at [https://www.raspberrypi.org/documentation/installation/installing-images/ | https://www.raspberrypi.org/documentation/installation/installing-images/].
  
 
== First boot ==
 
== First boot ==

Latest revision as of 21:44, 15 August 2017

1 How to build a Zynthian

This manual is currently in development!

1.1 Disclaimer

No guarantee for nothing. You do everything on your own risk!

1.2 Prerequisites

Want to join the Zynthian community? No problem! Building your own Zynthian is not very difficult. If you get trouble you can contact us at support@zynthian.org or via the blog http://blog.zynthian.org.

1.2.1 Required competences

For building the hardware you should have the following competences:

  • Soldering
  • Basic understanding of reading electronic circuit diagrams
  • Enjoyment of work with electronic hardware and parts

1.2.2 Tools

  • Screw drivers
  • Soldering iron
  • Tin-solder
  • Side cutter
  • Magnifiying glass

1.3 Hardware

1.3.1 Bill of Material

Here is a list of the hardware components you will need to build the Zynthian device. I also provided links to my suppliers and the prices I paid for the components in February 2016. I bought everything from Germany, so all descriptions are in German and prices are in EUR. If you live in another country maybe you'll get things even cheaper.

No Shipper Order no. Description Pieces Price per piece [€]
1 http://www.reichelt.de 1N 4148 Planar Epitaxial Schaltdiode, DO35, 100V, 0,15A 1 0,04
2 http://www.reichelt.de 6N 138 OPTOKOPPLER 1 0,58
3 http://www.reichelt.de RASPBERRY PI 2 Raspberry Pi 2, 4x 900 MHz, 1 GB RAM 1 37,50
4 http://www.reichelt.de RPI HB DAC+ RCA HiFiBerry DAC+ RCA, Raspberry Pi Shield 1 35,90
5 http://www.reichelt.de 1/4W 220 Kohleschichtwiderstand 1/4W, 5%, 220 Ohm 1 0,10
6 http://www.reichelt.de 1/4W 1,0K Kohleschichtwiderstand 1/4W, 5%, 1,0 K-Ohm 1 0,10
7 http://www.reichelt.de 1/4W 10K Kohleschichtwiderstand 1/4W, 5%, 10 K-Ohm 1 0,10
8 http://www.reichelt.de MKS-02 100N WIMA Folienkondensator, Rm 2,5mm 100nF 4 0,15
9 http://www.reichelt.de GS 18P IC-Sockel, 18-polig, superflach, gedreht, vergold. 1 0,32
10 http://www.reichelt.de GS 8P IC-Sockel, 8-polig, superflach, gedreht, vergold. 1 0,19
11 http://www.reichelt.de SL 2X25G 2,54 2x25pol.-Stiftleiste, gerade, RM 2,54 1 0,24
12 http://www.reichelt.de MAB 5S DIN-Buchse, 5-polig 1 0,24
13 (OPTIONAL) http://www.reichelt.de NTA 176 6,3 Mono-Klinken-Bu. auf Cinch-St. 2 0,35
14 http://www.reichelt.de NT MUSB 2 SW Micro-USB Steckernetzteil, schwarz, 5 V, 2 A 1 8,40
15 http://www.segor.de MCP23008-E/P MCP23008 8 port I2C-GPIO extender 1 2,10
16 http://www.amazon.de Adafruit PiTFT 2.8" Adafruit PiTFT Touchscreen Display, 2,8 Zoll, für Raspberry Pi Computer 1 32,00
17 http://www.ebay.de 12mm Rotary Encoder Switch Rotary Encoder with switch, 20 steps 4 0,60
18 http://www.ebay.de Poti knob Poti knob for Rotary encoder (Pos. 17) 4 1,50
19 http://blog.zynthian.org Encoder PCB PCB for encoders 2 10,00
20 http://blog.zynthian.org 2in1 PCB PCB for MIDI and GPIO extension 1 10,00
21 http://blog.zynthian.org Main Bus Ribbon Cable Raspberry Main Bus Ribbon Cable 1 20,00
22 http://blog.zynthian.org Mini-ribbon cable Mini-ribbon cable (6 pin female connector to 6 female jumper connectors 3 3,00
23 http://www.saturn.de SD card Samsung 32GB SD card 1 14,00
24 - Short connector cables Connector cables pin-female/pin-female for MIDI and external GPIO connector from 2in1 board 4 ??,??
25 - Multi-pin connector 1x40pol.-Stiftleiste, gerade, RM 2,54 1 ??,??

Notes:

  • Pos. 19-22 were ordered directly from Zynthian.
  • There is no case in this BoM - You can build your own or ask Zynthian.
  • Total price was 200,27 € (plus shipping).

Zynthian Parts.jpg

1.4 Assembly and Soldering of the modules (PCBs)

1.4.1 Step 1: 2in1 modules

1.4.1.1 You need:

  • 1 * 2in1 PCB (Pos. 20)
  • 2 * 100nF capacitor (Pos. 8)
  • 1 * multi-pin 2 pins wide (part of pos. 24)
  • 1 * multi-pin 6 pins wide (part of pos. 24)
  • 1 * multi-pin 8 pins wide (part of pos. 24)
  • 1 * resistor 10 kOhm (brown-black-orange-gold, pos. 7)
  • 1 * resistor 1 kOhm (brown-black-red-gold, pos. 6)
  • 1 * resistor 220 Ohm (red-red-black-gold, pos. 5)
  • 1 * diode 1N4148 (pos. 1)
  • 1 * IC socket 8 pins (pos. 10) => OPTIONAL! Not included in the Kit
  • 1 * IC socket 18 pins (pos. 9) => OPTIONAL! Not included in the Kit
  • 1 * IC 6N138 (pos. 2)
  • 1 * IC MCP23008 (pos. 15)
  • 2 * Connector cable pin-female/pin-female
  • 1 * MIDI socket (DIN socket 5 pins)
  • 1 * 2in1 PCB (pos. 20)

2in1 kit.jpg

1.4.1.2 HowTo:

  1. Start with assembling the diode onto the PCB. Be careful to do this the right way - the small black (or white) stripe on one side of the diode must fit the same side of the white stripe on the PCB!
  2. After that, solder the resistors.
  3. Then assemble the ICs.Put attention to the orientation!!. If you prefer, you can use IC sockets (but do not fit the ICs yet, we will do this at the end of this task.)
  4. After that, solder the capacitors and the multi-pin-rows.
  5. If you used IC-sockets, now insert the ICs into the socket. Be careful to put them with the notch on the IC towards the hole of the white rectangle showing on the PCB!

2in1 ensambled.jpg

For the MIDI socket you have to cut off one side of the female/female cable and solder this side to the DIN-socket. Connect the cables to pin 5 (2nd from left) and pin 4 (2nd from right).

MIDI-socket Solo.jpg

1.4.2 Step 2A: Controller Modules Dual (2 x dual encoder controllers)

Note: If you have the new Controller Single modules you must jump to the Step 2B.

1.4.2.1 You need (for one Controller Module):

  • 2 x rotary encoder with pushbutton (Pos. 17)
  • 2 x 100nF capacitor (Pos. 8)
  • 1 x multi-pin 6 pins angle (part of Pos. 24)
  • 1 x multi-pin 2 pins angle (part of Pos. 24)
  • 1 x controller module PCB (Pos. 19)

Controller kit.jpg

1.4.2.2 HowTo:

  1. The order of the following steps is not important: Solder the capacitors and the encoders to the board (on the upper side) - that's it.
  2. Solder the 6-pin and 2-pin-rows. IMPORTANT! Due to the mounting of the encoders on a front panel, the pin-rows connectors must be soldered on the bottom of the PCB. The 6-pin-row must have its pins as showed in the photo (pin numbering will be 1..6 from the lower side of the PCB!). For optimal case mounting, the 2-pin-row should be soldered with different orientation in each module. One with right-orientation and the other one with left-orientation.
  3. You have to do this twice - you need two encoder boards ;-)

Controller ensambled 01.jpg

Controller ensambled 02.jpg

Note: Mount the pin row at the bottom of the PCB. Look the photos!!! ;-)

1.4.3 Step 2B: Controller Modules Single (4 x single encoder controllers)

Note: If you have the old Controller modules, with 2 rotary encoders each, you must read the Step 2A.

1.4.3.1 You need (for one Controller Single Module):

  • 1 x rotary encoder with pushbutton (Pos. 17)
  • 1 x 100nF capacitor (Pos. 8)
  • 1 x multi-pin 4 pins angle
  • 1 x controller single PCB

4xcontroller single kit.jpg

1.4.3.2 HowTo:

  1. The order of the following steps is not important: Solder the capacitor in the C1 position (right side) and the encoder to the board (on the upper side) - that's it.
  2. Solder the 4-pin-row. IMPORTANT! Due to the mounting of the encoders on a front panel, the pin-row connector must be soldered on the bottom of the PCB. The 4-pin-row must have its pins as showed in the photo (pin numbering will be 1..4 from the lower side of the PCB!).
  3. You have to do this 4 times - you need 4 encoder boards ;-)

Controller single ensambled 01.jpg

1.4.4 Step 3: Pin row on the Hifiberry

1.4.4.1 You need:

  • 1 * HiFiBerry DAC+ RCA, Raspberry Pi Shield (Pos. 4)
  • 1 * 2x25pol.-Stiftleiste, gerade, RM 2,54 (Pos. 11)

Hifiberry parts.jpg

1.4.4.2 HowTo:

  1. For this part you should take some time. Damaging the Hifiberry because you are in a hurry won't make your day!
  2. First of all: cut the 2*25 pin-row to 2*20 pin (perhaps with a cutter).
  3. Place the pin row on the Hifiberry and start soldering on the back of the Hifiberry. I always solder pins which are not close together to avoid hot spots. You take a few pauses in between to have the PCB cool down. Never let the PCB get too hot, because otherwise solder on the components' side may melt and components may fall off or become shorted.

Hifiberry Solo.jpg

1.4.5 Checking everything

Congratulations - you're halfway through!

Now you should double-check everything you soldered:

  • Were the components soldered in their correct orientation (e.g. polarity, pin layout)?
  • Are there any solder bridges between pins? Remove them!
  • Is the diode on the 2in1-PCB correctly oriented?
  • Are the ICs pointing in the right direction?
  • Are all pins of the ICs in their sockets?

Hint:

  • Use a magnifying glass and bright light to check.

1.5 Connecting the cables

1.5.1 You need:

  • 1 * Raspberry Pi 2 (Pos. 3)
  • 1 * HiFiBerry DAC+ RCA (Pos. 4)
  • 1 * Adafruit PiTFT Touchscreen Display, 2,8 Zoll (Pos. 16)
  • 1 * Raspberry Main Bus Ribbon Cable (Pos. 21)
  • 3 * Mini-ribbon cable (6 pin female connector to 6 female jumper connectors(Pos. 22)
  • 2 * Connector cables pin-female/pin-female (Pos. 24)

TFT Raspi and Hifiberry.jpg PCBs and cables.jpg

1.5.2 Raspberry Pi and Hifiberry DAC+

Put the Hifiberry DAC+ onto the Raspberry Pi's GPIO header. With the Hifiberry you get 4 distance pieces and 4 screws (all plastic). Put them together as shown in the following picture.

Raspi and Hifiberry.jpg Raspi+Hifiberry.jpg

1.5.3 TFT

Time for connecting the main ribbon-cable using the (female) 40-pin-connector to the Hifiberry. At the other end of the cable there is a (female) 26-pin-connector. This one must be connected to the PiTFT. If you have a clone PiTFT which has no suitable port you have to solder one in or use a gender changer. The original PiTFT has both male and female connectors.

1.5.4 2in1

The 2in1-PCB must be connected using one of the mini ribbon cables. The 6-pin connector must be located towards the PCB. Pin 1 is on the bottom left (component side up). On the other end of the cable there are 1-pin female connectors. They must be connected to the following pins on the (male) 40-pin-conenctor in the middle of the main ribbon cable.

Wire no. Function GPIO no. Pin on Raspi no.
1 Vdc 3.3V 3.3V 1
2 RxD RxD 10
3 I2C SDA1 08 3
4 I2C SCL1 09 5
5 Vdc 5V 5V 2/4
6 GND GND 6/9

Cable-schema-2in1.png

Next connect the DIN socket (MIDI) to the 2in1-PCB. The connector on the PCB is the 2-pin one located in the upper right corner of the PCB.

Wire no. Function MIDI-IN pin no.
1 MIDI-IN 2 (MIDI connector: 2nd from left)
2 MIDI-IN 4 (MIDI connector: 2nd from right)

1.5.5 Controller Dual Module x 2 (2 rotary encoders each PCB)

This step is a bit tricky. Remember that, if you follow the instructions before, you have soldered the pin-rows in the bottom side of PCBs, so numbering is reversed when looking from bottom. You can use a little trick: if you rotate the PCB 180º, then numbering is "left to right" again ;-)

So you should look at your controller modules from bottom side and with the pin-row on the top of PCB!

PHOTO NEEDED HERE!!

Note: Some encoders have reversed pin ordering, so, if you buy the encoders by yourself, perhaps you have to change A and B pins.

1.5.5.1 Controller 1

Wire no. Function GPIO no. Pin on Raspi no.
1 Enc1-B 25 37
2 Enc1-A 27 36
3 Enc1-SW 23 33
4 Enc2-B 26 32
5 Enc2-A 21 29
6 GND GND 30
Wire no. Function Pin on 2in1
1 GND -
2 Enc2-SW X07

1.5.5.2 Controller 2

Wire no. Function GPIO no. Pin on Raspi no.
1 Enc1-B 04 16
2 Enc1-A 03 15
3 Enc1-SW 02 13
4 Enc2-B 00 11
5 Enc2-A 07 07
6 GND GND 14
Wire no. Function Pin on 2in1
1 GND -
2 Enc2-SW X08

Cable-schema-Controller.png

Zynthian alucase zcontrollers dual right wiring.jpg

1.5.6 Controller Single Module x 4 (one single rotary encoder each PCB)

This step is a bit tricky. Remember that, if you followed the instructions before, you have soldered the pin-rows in the bottom side of PCBs, so numbering is reversed when looking from bottom. You can use a little trick: if you rotate the PCB 180º, then numbering is "left to right" again ;-)

So you should look at your controller modules from bottom side and with the pin-row on the top of PCB!

PHOTO NEEDED HERE!!

Note: Some encoders have reversed pin ordering, so, if you buy the encoders by yourself, perhaps you have to change A and B pins.

Wiring scheme controllers single.png

Zynthian inside 01.jpg

Warning: In this photo the controller modules wiring is reversed (1 by 2, 3 by 4). I will change it ASAP ;-)

1.5.7 Alternative cabling

An alternative cabling can be done with an old floppy ribbon cable. You won't need the 3 minni-ribbon-connectors (6-pin) but have to solder 6-pin connectors on the floppy cable (40-pin-ribbon). The cabling plan is the same as above.

Zynthian Floppy ribbon cable1.jpg Solder a 6-pin connector

Zynthian Floppy ribbon cable2.jpg 6-pin connector for the 2IN1 is ready

Zynthian Floppy ribbon cable3.jpg The complete cable ready for installation

Zynthian Floppy ribbon cable4.jpg Cable installed

1.6 Creating the SD

1.6.1 Getting the Image

You can get the last SD image here:

Gorgona SD Image

1.6.2 Writing the image to the SD card

If you successfully downloaded the whole image, you can now write it to an SD-card.

You need a minimum size of 16GB, better 32GB SDcard to allow for more instruments and sample-sets in future.

Use Etcher https://etcher.io/ (free software works on Mac, Windows or Linux)

Or do it manually: Depending on your OS you have to choose how to create the SD-card. There is a really good manual for this at | https://www.raspberrypi.org/documentation/installation/installing-images/.

1.7 First boot

1.7.1 Testing

1.7.2 Something won't work?

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