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Summary of Contents for ANTUMBRA EURD
- Page 1 ANTUMBRA EURD MANUAL...
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Page 2: Table Of Contents
TABLE OF CONTENTS 00. THANK YOU! 01. OVERVIEW 02. BILL OF MATERIALS 03. ASSEMBLY 04. UPLOADING SKETCHES 05. POWERING UP... -
Page 3: Thank You
00. THANK YOU! Thank you for purchasing the Antumbra EURD! EURD is an Arduino, built to be the heart of your DIY Eurorack project. It has a built in power supply, regulating the +12V of your PSU to 5V to power the microcontroller. It also has a built in SPI to allow you to upload code easily. -
Page 4: Overview
01. OVERVIEW SPI HEADER ANALOG PINS (A0-A5) DIGITAL PINS (0-13) POWER SUPPLY PINS (-12V / +12V / +5V / GND) ANALOG REFERENCE PIN / RESET PIN GROUND PINS POWER CABLE HEADER: Red stripe always on the LEFT!!! -
Page 5: Bill Of Materials
02. BILL OF MATERIALS 1 x Antumbra EURD PCB 2 x 10uF capacitor (2.54mm lead spacing) 1 x 78L05 5V voltage reuglator (check p.09. for other) 1 x 10k Ohm resistor 1 x 16MhZ Crystal 2 x 22pF capacitor (2.54mm lead spacing) -
Page 6: Assembly
03. ASSEMBLY 0. Orient the PCB to be like on the picture to the left. 1. Solder the crystal in place 2. Solder the 22pF capacitors (orientation doesn’t mat- ter) 3. Solder the IC socket in place (the dent on the end should be on top) - Page 7 03. ASSEMBLY 4. Solder the 2x3 and 2x5 pin headers so that the longer pins are on top! 5. Solder the 10k resistor. Note that it should be stand- ing, so bend the resistor like this: IMPORTANT! 78L05 is rated for 100mA, if you need bigger current, see p.
- Page 8 03. ASSEMBLY 7. Solder the 10uF capacitors. The orientation matters, the shorter leg goes into the round hole marked with - symbol. 8. Solder the single row pins on the other side of the PCB so that the longer pins and the plastic part are on the bottom of the PCB.
- Page 9 03. ASSEMBLY (+) The 78L05 voltage regulator is rated for a maximum cur- rent of 100mA, if you need bigger, you can install other voltage regulators, such as the LM7805. You can do this by either wiring up the appropriate legs of the voltage regulator to the appropriate holes on the PCB, GROUND or you can try to fit it by bending the legs.
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Page 10: Uploading Sketches
You can upload sketches via an SPI cable from an Arduino or an USB SPI device. Also you can remove the microcontroller and place it in an arduino (UNO), or insert the EURD into a breadboard and connect the correct pins to the Arduino as described here (illustrated on the left): https://www.arduino.cc/en/Tutorial/ArduinoISP... -
Page 11: Powering Up
04. POWERING UP Use an Eurorack 10pin ribbon cable to connect it to your system. NOTE THAT THE STRIPE SHOULD ALWAYS BE ON THE LEFT!!! (marked by the white line on the PCB) Now good luck and have fun! - Page 12 EURD is designed by David Szebenyi under Antumbra. www.antumbra.eu Manual by David Szebenyi (www.aman.hu) 2016 • All rights reserved!
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