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        <title>Paper-PCBs arduino_boards</title>
        <description></description>
        <link>https://paperpcb.dernulleffekt.de/</link>
        <image rdf:resource="https://paperpcb.dernulleffekt.de/lib/tpl/writr/images/favicon.ico" />
       <dc:date>2026-04-17T18:51:55+0200</dc:date>
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                <rdf:li rdf:resource="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi-duino&amp;rev=1644527773&amp;do=diff"/>
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    <image rdf:about="https://paperpcb.dernulleffekt.de/lib/tpl/writr/images/favicon.ico">
        <title>Paper-PCBs</title>
        <link>https://paperpcb.dernulleffekt.de/</link>
        <url>https://paperpcb.dernulleffekt.de/lib/tpl/writr/images/favicon.ico</url>
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    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:arduino_boards_main&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:arduino_boards_main</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:arduino_boards_main&amp;rev=1591906404&amp;do=diff</link>
        <description>Arduino Boards



Here you find boards and shields for the Arduino or your Paperduino.

	*  Multiplex Switches with one Analog Input
	*  RS232 Controller
	*  RGB-Duino
	*   Bluetooth Board
	*   Stepper-Motor-Board
	*  Simple-Input-Board
	*  Simple-Input-Shield
	*  Simple-Output-Board
	*  Motor-Control-Board
	*  OGG-Player-Board
	*  MIDI-Board
	*  Ethernet-Board

----------

License

These Boards were designed by Wolfgang Spahn 2010-20.

They are licensed under a</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:bluetooth_board&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:bluetooth_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:bluetooth_board&amp;rev=1591906404&amp;do=diff</link>
        <description>Duino-Bluetooth-Board



It's a Bluetooth board for the Paper-Duino-Uno or the Duino-Mini. It's based on the Bluetooth Module RS232/TTL HC-05. It is a Master and Slave integrated Bluetooth serial module:



The default setting for the serial port is: 9600, N, 8,1 and the password is: 1234.</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:ethernet_board&amp;rev=1591906405&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:25+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:ethernet_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:ethernet_board&amp;rev=1591906405&amp;do=diff</link>
        <description>Ethernet-Board

The Ehternet Board is designed with the cheap Ethernet IC ENC28J60. Cause the IC is running on 3.3V one need the Quad Buffer 74ACT125 to convert the 5V signal in a 3.3V signal. The Board was designed for the Paperduino-Uno and therefore a 3.3V voltage power converter is on the board, too. The pins on the</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi-duino&amp;rev=1644527773&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2022-02-10T22:16:13+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:midi-duino</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi-duino&amp;rev=1644527773&amp;do=diff</link>
        <description>PS202 - MIDI-Duino

An Midi-In and Thru/Out Board based on the Arduino Pro Micro. It can be used to controll all kind of devices like motors and lights. With an Arduino IDE modification one can use Midi over USB, too. A jumper allows to switch between Midi-thru and Midi-out.</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2022-01-13T23:24:39+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:midi_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi_board&amp;rev=1642112679&amp;do=diff</link>
        <description>MIDI-Board

Here is the MIDI-In, MIDI-Out and MIDI-Thru board for the Arduino. It is made with the opto isolator 6N138 and the inverter 74LS04N. To prevent bootloading confusion (with older Arduino boards) always powers the opto isolator over the Arduino.</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi_control_to_voltage&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:midi_control_to_voltage</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi_control_to_voltage&amp;rev=1591906404&amp;do=diff</link>
        <description>MIDI Control to Voltage

16 channel MIDI controll to voltage board. Based on an Pololu Arduino clone and 16 LTC1452 digital to analog converter.







Board





Program

A test program for the Arduino and one LT1452.



Knowledge

Pololu - A-Star 32U4 Micro:</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi_controller_4051&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:midi_controller_4051</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:midi_controller_4051&amp;rev=1591906404&amp;do=diff</link>
        <description>----------

MIDI Controller with Analog Multiplexer 4051

----------

That's an MIDI Controller for multiplexed analog input based on the analog
multiplexer chip 74HCT4051. In that example I use one with 16 knobs, but that could be easily expandeed. The chip selection (pin E) on the 4051 should be used (it's not implemented in that example).</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:motor_control_board&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:motor_control_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:motor_control_board&amp;rev=1591906404&amp;do=diff</link>
        <description>Motor Control Board

This board is for two DC motors (5-40V) in combination with an Arduino. You can control each speed with one PWM and each direction with 2 digital ports.

- Forward:   ON - OFF

- Stop:      OFF - OFF

- Backward:  OFF - ON

Two control LEDs indicates the</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:multiplex_switches&amp;rev=1591906405&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:25+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:multiplex_switches</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:multiplex_switches&amp;rev=1591906405&amp;do=diff</link>
        <description>Multiplex Switches with one Analog Input




With an simple R-2R ladder one can build an easy multiple switch detection for an Arduino with just one analog input. That way one needs maybe some more components than in a simple resistor network but on the other hand one can just use the simple</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:ogg_player_board&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:ogg_player_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:ogg_player_board&amp;rev=1591906404&amp;do=diff</link>
        <description>OGG-Player-Board

A simple OGG Player for the Arduino. It's based on the VS1000 Audio Module of VSLI Solution. The Board provide all pins for headphone and line out like the module.



One needs an SD Card, upload the ogg-files and because it's controlled over serial protocol it's super simple to control it with the Arduino.</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:rgb_duino&amp;rev=1591906405&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:25+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:rgb_duino</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:rgb_duino&amp;rev=1591906405&amp;do=diff</link>
        <description>RGB-Duino

A 6×6 RGB LED board with an integrated Arduino. One can use the Arduino like the Paper-Duino.





----------

Paper PCB





----------

License

The RGB-Duino was designed by Wolfgang Spahn 2015.

It is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.



----------</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:rs232_controller&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:rs232_controller</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:rs232_controller&amp;rev=1591906404&amp;do=diff</link>
        <description>RS232 Controller

An Arduino based RS232 controller for two Waveplayer8.



----------

Paper PCB

If an external trigger is needed there is a connector on Pin2.







----------

Code

For the code I needed a little bit of reverse engineering.



To control the Waveplayer8 one has to send a CRC control byte. The polynom that is used is: 0xD5. The code to calculate the CRC byte was in the</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:simple_input_board&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:simple_input_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:simple_input_board&amp;rev=1591906404&amp;do=diff</link>
        <description>Simple-Input-Board

That is the all purpose Input-Board for the Arduino. It has two potentiometers and four pushbuttons.





----------

Paper-PCB

[Input-Board_v2.2]

[Input-Board_v2.2]

----------

Code

Here is simple test program for the Input Board:


----------

Parts

	*  standard</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:simple_input_shield&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:simple_input_shield</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:simple_input_shield&amp;rev=1591906404&amp;do=diff</link>
        <description>Input Shield

A simple shield for the Arduino with two potentiometer and four buttons. It has one LED for power and one LED on pin 13.


One has to make two cuts through the copperstripes of the protoboard. And after building one has to bend the legs of the second 8pin header so they fit on the Arduino headers.</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:simple_output_board&amp;rev=1591906405&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:25+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:simple_output_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:simple_output_board&amp;rev=1591906405&amp;do=diff</link>
        <description>Simple-Output-Board

That board is a simple control board for two DC motors (5-35V) or two other loads in combination with an Arduino. You can control each speed separately with one PWM output (pin 3,5,6,9,10,11). Every PWM has his own control LED, too.</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:stepper_motor_board&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:stepper_motor_board</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:stepper_motor_board&amp;rev=1591906404&amp;do=diff</link>
        <description>Stepper-Motor-Board

This board is a control board for a stepper motors. It could be used with an Arduino.

Front:



Back:




----------

Paper PCB






----------

Datasheet



----------

License

The Stepper-Motor-Board was designed by Wolfgang Spahn</description>
    </item>
    <item rdf:about="https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:usb_host&amp;rev=1591906404&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-06-11T22:13:24+0200</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>arduino_boards:usb_host</title>
        <link>https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:usb_host&amp;rev=1591906404&amp;do=diff</link>
        <description>USB Host for Arduino

A board for an USB Host with an MAX 3421E.





The UHS mini board is designed for an 3.3V controller, for using it with an 5V controler one hast cutt the power trace on the PCB.:



Check:&lt;http://ti994a.cwfk.net/TiUsbKeys.html&gt;


Pin Outs




Supported MIDI devices</description>
    </item>
</rdf:RDF>
