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======= AC Sensorizer v0.4 =======
[[acsensorizer|{{    ac:sensorizer_logo.jpeg}}]]

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[[acsensorizer_04|{{ac:sensorizer_mini_3d_front.jpg}}]]\\
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====== Description ======

**//AC Sensorizer sensorizes up to 8 sensors and interpolates its AIN-readings.
The main target of this application are sensory devices delivering not exactly 
0 - 5 V, like pressure-, distance-, resistor-based sensors or softPots.//**


{{ac:img_7537.jpg?150x100}}
{{ac:img_7530.jpg?150x100}}
{{ac:img_7533.jpg?150x100}}
{{ac:img_7535.jpg?150x100}}

These two videos show the ACSensorizer 0.2 which is using an outdated HUI, but nevertheless the concept of the Sensorizer is demonstrated quite well:

{{youtube>small:bUIz78QnD0M}} {{youtube>small:eqkABRTSzos}}

The ACSensorizer has been developed by Audiocommander ( [[http://www.audiocommander.de]] )\\
(c) 2007 Michael Markert

This software is released under a GNU License. You are not allowed to use this software or parts of it in closed-source projects! Please notice that due to the licenses for MBHP and MIOS you may only use the Hard- and Software for private purposes. Non-commercial use only!

Please contribute and name the author(s)!


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===== Features =====

  * supports up to 8 sensors
  * enable/disable single AINs
  * **assignable CH and Controller-Number** or **Note_On** generation (!)
  * **harmonizer with 20 scales** (minor, major, blues, spanish...) => harmonizes generated or received (by MIDI!) note-signals
  * **syncronizer**: master/slave mode (autodetect clock input switches to slave) and selectable BPM
  * quantized events: 1/2/3/4/6/8/12/16/24/32/48, selectable per sensor
  * **adjustable input range** by sense-min and sense-max (10bit values, ignore if not matched)
  * **adjustable output range** with "scale from and scale to"
  * sense-factor: used for signal interpolation... uses fast bitshifting or complex division depending on value
  * AUTO-sense feature: **auto-calibration** of sensor, detect MIN/MAX and automatically adapts sense-factor!
  * **invert** signal
  * **pedal modes**:
    * filter => only forward if pedal down; 
    * panic  => send panic on release pedal; 
    * combinations of all pedal mode options are possible 
  * **detect release**: send 0-value if signal drops below sense-min
  * slowdown: slows down the signal and increases the gaps between generated values
  * **bankstick** support: 1 connected bankstick provides 2 banks with 127 patches each (24LC256)
  * midi configurable: full configuration possible with NRPN-messages 
    * NRPN-MSB CC99 for sensorSelect / sysEx mode
    * NRPN-LSB CC98 for controlType
    * DataEntry MSB CC6 and LSB CC38 for controlValue
  * **Mac OS X Onscreen Config Program** and MiniAudicle Setup Script examples included!
  * LCD (2x16) with clearly structured menu for sensor-select, prg-select, sensor-config & -settings
  * redesigned HUI Input to enable **better control with less hardware requirements**
  * (optional) DOUT module supported (Sensors can be illuminated)
  * ACSim Console Debugger: code integrated and ready to use configured for XCode
    * select "ACSim" as target and test the application via command-line
    * inspect variables with a (graphical) debugger (GDB support within XCode)
    * visit http://www.midibox.org -> there's a tutorial how to use Code::Blocks





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===== Required hardware===== 

**MBHP Modules:**
  * one MBHP_CORE module
  * one MBHP_LCD module (2x16)
  * one MBHP_DIN module for
    * 4 Encoders (no push-button functionality needed!)
    * 1 PEDAL button
    * 1 PANIC button
    * 1 STORE and 1 WRITE button
    * 1 pedal-input (jack at the backside)
  * one MBHP_DOUT module for illuminated sensors (optional)

**Sensors:**
  * up to 8 sensors connected to unmuxed AIN (J5 of MBHP_CORE).
  * more informations on sensors can be found here: [[sensors]]

\\
:!:

It is possible to use the sensorizer with only one Core Module. For these purposes a MAC OS X program is included to simulate encoders and buttons. You can easily test the application with one core module!



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====== Application Software ======

  * **[[http://www.audiocommander.de/downloads/midibox/ACSensorizer_046.zip]]**, 324 kB, released on 2007-11-10
  * still BETA, but quite stable 
  * Please report bugs or errors here: [[http://www.midibox.org/forum/index.php?topic=8401.0|ACSensorizer Forum Thread]] //-- audiocommander//


\\
//Version History//
  * v0.1.0 2005-12: First testing versions, no code reused
  * v0.1.1 2006-01: AIN-config, gate, expander, main functionalities
  * v0.1.2 2006-01: Improved expander, inverter, smaller filesize
  * v0.1.3 2006-04: Cleanup, code-splitting, rewrite (many fixes!)
  * v0.1.4 2006-04: Improved inverter, expander, signal routing
  * v0.1.5 2006-04: Added Bankstick Accessors (16byte / sensor)
  * v0.1.6 2006-06: Rewrote Bankstick related functions, optimized vars
  * v0.2.0 2006-07: Rewritten from scratch, optimized var-access & efficiency, added ENC and LCD menu (2x16/4x20 optimized) support (in main.c)
  * v0.2.1 2006-08: Rewrote Bankstick Support (in main.c), 2x64 bytes per patch
  * v0.2.2 2006-08: improved algorithms, added sensemode (efficient or exact), added pedalMode, releaseDetect config and PRG-CH, **initial release**
  * v0.2.3 2006-09: minor bugfixing, removed MidiTrough and used MIOS_Merger, two example miniAudicle/Chuck NRPN scripts are now included
  * v0.2.4 2006-09: fixed severe bank select bug (B,D,F,H,J,L were not accessible)
  * v0.3.0 2006-09: rewritten main class, better HUI concept, re-organized Encoder Input, autoload patch #0 (in case of reset), added pedal to start/stop AutoSense Mode, corrected sensor-level-view for sensors 4..8
  * v0.3.1 2006-10: added Clock-Sync support / Continue-Hack for m4, added clock-forwarding, even if mios_merger disabled
  * v0.3.2 2006-11: fixed PRG-CH bug
  * v0.4.0 2006-12: added harmonizer support, patches maintain full backward-compatibility to v0.2.1 versions
  * v0.4.1 2006-12: added HUI Midi Remote Control (Simulate Encoder Movements)
  * v0.4.2 2007-04: syncronizer support, unified ACMidiProtocol
  * v0.4.3 2007-04: added bpm control (48..255 bpm), patches save harmonies & sync, fixed broken master/slave detection, CCs Sustain, Sustenuto & Soft Pedal (Damper) may also control the Pedal. Patch Names are now supported (7 chars max). Last active patch is stored in EEPROM and loaded on startup
  * v0.4.4 2007-07: ENC_Speed optimized for Voti.nl encoders, autosense bugfix, Documentation cleanup & updates, **release**
  * v0.4.5 2007-08: sync start signal now recognized (SLAVE & MASTER), continue is sent each bar (MASTER), start on patch load (MASTER), harmonizer now working correctly with base notes, **release**
  * v0.4.6 2007-11: fixed MST/SLV autodetection bug, now behaves correctly; PANIC also sends STOP in MASTER mode (LOAD sends START); Global Channel now defaults to CH16, messages are sent/received on all channels except for PRG_CH (Global CH only) **release**
  * v0.4.7 2007-11: Added DOUT support for external Sensors with LEDs; now recognizes QUANTIZE_SET as well (ACMidiProtocol), fixed QUANTIZE_BPM bug
  * v0.5.0 2009: currently in work, future release will contain source compatibility maintenance for new toolchain, mac os x remote control & patch viewer... stay tuned!


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//Compiling Notes//

The application can be recompiled with a variety of strictly separated #define-
options. For example setting SENSORIZER_INTERFACE_HUI to 0 compiles the application 
without hardware input controls and therefore reduces the file- and application space.
Compiling without HUI, BANKSTICK, NRPN-Config and LCD generates code with approx. 3 or 4 pages; compiling with all options will result in an application file of 19 pages.





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====== HUI-Controllable Parameters ======

The Sensorizer provides:
  * one 2x16 LCD\\
  * four Encoders\\
  * four Buttons\\

{{ac:sensorizer_mini_3d_front_lcd.jpg?200x143}}\\

^ Front Side  ^
| Top  | Left Encoder  | current sensor selector (1..8)  |
|   | Right Encoder | Menu Selection Wheel  |
| Bottom  | White Button  | PANIC  |
|   | Green Button  | LOAD PATCH |
|   | Red Button  | STORE PATCH |
|   | Left Encoder  | Value setter for selected menu item / parameter 1  |
|   | Right Encoder  | Value setter for selected menu item / parameter 2  |
|   | Black Button  | PEDAL (2nd pedal connector at the rear)  |

{{ac:sensorizer_mini_3d_back.jpg?200x133}}\\

^ Back Side  ^ 
| Left  | 8 6-pin Mini-DIN connectors  | For up to 8 Sensors  | Connector Type can be changed!  |
| Middle  | 5-pin DIN connectors  | Midi-In and Midi-Out  |  |
| Middle Center  | 6.5mm Jack  | External Foot-Pedal  | A pedal is highly recommended!  |
| Right Top  | Switch  | ON/OFF Switch |  |
| Right Bottom  | DC Connector  | +9V DC Power Supply  | Connector Type can be changed!  |


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===== Manual: Interface =====

The Interface is clearly structured; the encoders control the values on the screen next to them. A minimum set of additional buttons allow loading and saving of patches, sending PANIC! and an alternative pedal knob (it is recommended to add a second pedal on the backside. MIDI pedals (like Sustenuto or Pedal are of course also supported.

{{ac:acsensorizer_interface.png}}



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===== Manual: LCD-Menu =====

{{ac:acsensorizer_lcd_01.png}} {{ac:acsensorizer_lcd_02.png}}


The following picture contains an overview of the onscreen LCD-menu structure. Click to view larger version:

{{ac:acsensorizer_menu_overview.png?500x490}}

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====== MIDI Implementation Charts ======


See below which MIDI messages are recognized and sent by ACSensorizer:

^ Message Type  ^ Received  ^ Sent  ^ Notes  ^
| NOTE ON			|			x | x	  |	Harmonized  |
| NOTE OFF			| x | x	  |	Harmonized  |
| POLY AFTERTOUCH	|			- | -  |  |
| CC				|			x | x	  |	See CC Message Table  |
| PROGRAM CHANGE	|			G | G	  |	Global Channel only  |
| CHANNEL AFTERTOUCH|			- | -  |  |
| PITCH WHEEL		|			- | -  |  |

//  Table A: MIDI Messages Implementation Chart//


\\
^ CC  ^ Name  ^ Received  ^ Sent  ^ Notes  ^
| 0-127|			|   	//see below// | x		|   |
|  0| Bank Select	|		G | G		|Global Channel only!  |
|  6| Data MSB		|		x | x		|See NRPN Table D  |
| 38| Data LSB		|		x | x		|See NRPN Table D  |
| 64| Pedal			|		x | x		|Pedal  |
| 66| Sostenuto		|		x | x		|Pedal  |
| 67| SoftPedal		|		x | x		|Pedal  |
| 80| Harmony Base	|		x | x		|Harmony (ACMidiProtocol)  |
| 81| Harmony Scale		|	x | x		|0..20  |
| 82| Harmony Base Listen	|	x | x		|<> 63  |
| 83| Harmony Scale Previous 	|	x | x	| > 63  |
| 84| Harmony Scale Next |		x | x		| > 63  |
| 85| Harmony Random	|		x | x		| > 63  |
| 87| Quantize BPM	|		x | x		|BPM = [0..127] + 60  |
| 98| NRPN LSB		|		x |	x		|See NRPN Table C  |
| 99| NRPN MSB		|		x | x		|See NRPN Table C  |

//  Table B: Controller Change Implementation Chart//

\\
**x	** YES\\
**–**	NO\\
**G**	Global Channel only

The channel numbers that are counted from 1 to 16 appear as 0 to 15 in code!\\

For more information on [[ACMidiProtocol]] supporting interchangeable notifications on BPM, Harmony and Scale changes, see ACMidiProtocol.h!


\\
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**NRPN Controls**

All Sensorizer parameters can be controlled and set by sending NRPN messages by MIDI: 

  - Send NRPN MSB (Controller# 99) to select control type
  - Send NRPN LSB (Controller# 98) to set the control parameter
  - Send NRPN Data MSB (Controller# 6) and NRPN Data LSB (Controller# 38) to set the parameter value

\\
^ NRPN MSB | | | |
^ CC         ^ Value       ^ Control Type  ^ Note                  ^
| CC99, 0x63 | 0x00..0x07  | Sensor 0..7    | LBS 98, See Table B  |
| CC99, 0x63 | 0x60        | Sensor Wheel   | LSB 98, 0..8         |
| CC99, 0x63 | 0x61        | Menu Wheel     | LSB 98, 0..10        |
| CC99, 0x63 | 0x62        | Param Wheel A  | LSB 98, 0..127       |
| CC99, 0x63 | 0x63        | Param Wheel B  | LSB 98, 0..127       |
//  Table C: Control Types//

\\
^ NRPN LSB | | ^ DATA ENTRY MSB/LSB | | |
^ CC ^ Value ^ Control Parameter ^ CC ^ Value ^ Description ^
| CC98, 0x62 | 0x00 | enabled | CC38, 0x26 | 0/1 | ON/OFF | 
| CC98, 0x62 | 0x01 | pedalMode | CC38, 0x26 | 0..7 | FILTER/HOLD/PANIC/KOMBI |
| CC98, 0x62 | 0x02 | autoSense | CC38, 0x26 | 0..2 | AUTOSENSE_OFF/_MIN/_MAX | 
| CC98, 0x62 | 0x03 | invert | CC38, 0x26 | 0/1 | 0..127 or 127..0 |
| CC98, 0x62 | 0x04 | releaseDetect | CC38, 0x26 | 0/1 | send 0 on release | 
| CC98, 0x62 | 0x10 | slowdown | CC38, 0x26 |0..127 | drop AIN notifications | 
| CC98, 0x62 | 0x11 | sense_min | CC38, 0x26 & CC6, 0x6 | 0..1023 | drop below and set sense minimum | 
| CC98, 0x62 | 0x12 | sense_max | CC38, 0x26 & CC6, 0x6 | 0..1023 | drop above and set sense maximum |
| CC98, 0x62 | 0x13 | sense_factor | CC38, 0x26 | 0..64 | f=(range/127) |
| CC98, 0x62 | 0x21 | scale_from | CC38, 0x26 | 0..127 | restrict and rescale output |
| CC98, 0x62 | 0x22 | scale_to | CC38, 0x26 | 0..127 | restrict and rescale output |
| CC98, 0x62 | 0x70 | CH | CC38, 0x26 | 0..15 | MIDI Channel of sensor |
| CC98, 0x62 | 0x71 | CC | CC38, 0x26 | 0..127 | MIDI Controller Change Number of sensor |
//  Table D: Control Parameters//

\\
__**Examples:**__

**Turning the Menu Wheel (virtually)**:
  - Send NRPN MSB (Controller# 99) with value 0x61 to select control type
  - Send NRPN LSB (Controller# 98) with value 0 to 10 to set the control parameter
  - No NRPN Data MSB (Controller# 6) and NRPN Data LSB (Controller# 38) required


**Setting the CC to send for (already selected) sensor 1**:
  - Send NRPN MSB (Controller# 99) with value 0x00 to select the setting for sensor 1 (or 0x01 for sensor 2)
  - Send NRPN LSB (Controller# 98) with value 0x71 to set the control parameter "CC" for the selected sensor
  - Send NRPN Data MSB (Controller# 6) with a value from 0 to 127 to set the CC Number. NRPN Data LSB (Controller# 38) is not required (only for values greater than 127)


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====== BANKSTICK Patch Description ======

ACSensorizer supports writing and reading to 24LC256-type banksticks.\\
Each patch consists of 2 pages à 64 bytes => 128 bytes\\
2 banks with 128 patches each are available per 1 connected bankstick (24LC256)\\

Choose the appropriate bank by sending a Coarse-Adjust Bankselect (CC#0).\\
In HUI-Mode, switching a bank on the device also sends the current Bank/PRG.

Memory-map of one patch:\\

^ Data        ^ Size in Bytes = Sum ^ Page     ^ Address   ^
| Version         | 1 =  1         | 1 @ 0x00 | 0 @ 0x00  |
| PatchName       | 8 =  9         | 1        | 1 @ 0x01  |
|   <reserved>    | 7 = 16         | 1        | 10 @ 0x0A |
| BPM             | 1 = 17         | 1        | 16 @ 0x10 |
|   <reserved>    | 5 = 22         | 1        | 17 @ 0x11 |
| harmony_base    | 1 = 23         | 1        | 22 @ 0x16 |
| harmony_scale   | 1 = 24         | 1        | 23 @ 0x17 |
| sensor[8]       | 8 = 32         | 1        | 24 @ 0x18 |
| CH[8]           | 8 = 40         | 1        | 32 @ 0x20 |
| CC[8]           | 8 = 48         | 1        | 40 @ 0x28 |
| sync_1[8]       | 8 = 56         | 1        | 48 @ 0x30 |
|   <reserved>    | 8 = 64         | 1        | 56 @ 0x38 |
|                 | | | |
| slowdown[8]     | 8 =  8         | 2 @ 0x40 | 0 @ 0x00  |
| sense_factor[8] | 8 = 16         | 2        | 8         |
| sens_min[8].MSB | 8 = 24         | 2        | 16 @ 0x10 |
| sens_min[8].LSB | 8 = 32         | 2        | 24        |
| sens_max[8].MSB | 8 = 40         | 2        | 32 @ 0x20 |
| sens_max[8].LSB | 8 = 48         | 2        | 40        |
| scale_from[8]   | 8 = 56         | 2        | 48 @ 0x30 |
| scale_to[8]     | 8 = 64         | 2        | 56        |
// Table E: Bankstick Patch Content//

Patch addresses are: (patch * 0x80)\\
or PIC-optimized: (unsigned int)patch << 7

\\
Example hex-output of patch#0 for Sensorizer > 0.4.0:

<code>
**MIOS_BANKSTICK_WritePage at 0x0 
 0:     04 44 65 66 61 75 6c 74 00 ff 00 00 00 00 00 00  .Default........
16:     78 00 00 00 00 00 00 14 81 81 81 81 00 00 00 00  x...............
32:     00 00 00 00 00 00 00 00 14 15 16 17 18 19 1a 1b  ................
48:     08 08 08 08 08 08 08 08 00 00 00 00 00 00 00 00  ................
**MIOS_BANKSTICK_WritePage at 0x40 
 0:     02 02 02 02 02 02 02 02 04 04 04 04 04 04 04 04  ................
16:     00 00 00 00 00 00 00 00 40 40 40 40 40 40 40 40  ........@@@@@@@@
32:     03 03 03 03 03 03 03 03 70 70 70 70 70 70 70 70  ........pppppppp
48:     00 00 00 00 00 00 00 00 7f 7f 7f 7f 7f 7f 7f 7f  ................
</code>

\\
A reference to the last active patch (bank/prg) is stored in EEPROM to enable reloading on next startup. each time a patch is successfully loaded or stored the reference is automatically saved. 

The available EEPROM adress range is from 0xF00000 to 0xF000FF (256 bytes): \\

^ EEPROM Address   ^ Data   ^ Size (bytes)  ^
| 0x00 - 0x01          | last bank         | 1 byte                    |
| 0x01 - 0x02          | last patch        | 1 byte                    |
| 0x02 - 0xFF          |  <reserved>       | 254 bytes                 |
// Table F: EEPROM Content//


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====== Step-By-Step Building Instructions ======

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**1. MBHP Core** 

Follow the instructions at [[http://www.ucapps.de/mbhp_core.html]]. Don't forget to add MIDI-Cables and a 9V/800mA Power Supply!

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**2. MBHP LCD**

Follow the instructions for a 2x16 LCD at [[http://www.ucapps.de/mbhp_lcd.html]]

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**3. MBHP DIN**

Follow the instructions at [[http://www.ucapps.de/mbhp_din.html]]

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**4. MBHP DOUT**

(optional) If you have lights on your Sensors, you can add a DOUT module: [[http://www.ucapps.de/mbhp_dout.html]]

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**5. MBHP Bankstick**

Follow the instructions at [[http://www.ucapps.de/mbhp_bankstick.html]]. I'm using the Bankstick PCB supporting up to 8 Banksticks; maybe one Bankstick is sufficient for you (1 BS provides two banks with 127 patches each = 256 patches per Bankstick).

{{ac:dsc00654.jpg?150x100}}{{ac:dsc00655.jpg?150x100}}

\\
**6. AIN "Breakout Board"**

I use to solder extra 3-pin connectors on a seperate PCB. These pins allow quick grounding with a jumper or to switch the sensors easily to check for hardware errors. And it's a lot smarter to assemble the case without having to desolder all connections ;)

{{ac:dsc00651.jpg?150x100}}{{ac:dsc00652.jpg?150x100}}

\\
**7. AIN Cables**

I'm using 6-pin Mini-DIN connectors. In theory, a three-pin connection would be sufficient, but with a 6-pin cable, I can use 2 pins for an external voltage supply or additional DIN/DOUT lines.

{{ac:dsc00676.jpg?150x100}}{{ac:dsc00670.jpg?150x100}}

\\
**8. Encoders and Buttons**

{{ac:dsc00658.jpg?150x100}}{{ac:dsc00659.jpg?150x100}}{{ac:dsc00660.jpg?150x100}}

\\
**9. DIN Connections**

Connect the Encoders and Buttons as shown on the following table. The DIN module has to be connected to J9 of core module (see [[din_module]] for connection diagram with SmashTV Core modules.

The following image is the upper view of a DIN-Board from Smash TV, {{http://www.ucapps.de/mbhp/mbhp_dinx4_32buttons.pdf|check this PDF if you are using the "standard" design from ucapps}} (just note the name of the pins - D0,D1, D2, etc...):

{{ac:sensorizer_din_01.png}}

\\
**10. DOUT Connection**

(optional) Connect the Dout Pin #1 to a LED that sits in Sensor #1 (#2 to #2, #3 to #3 and so on...).

\\
**11. Upload MIOS**

I'm running it with MIOS8 (PIC) 1.9e, but it should work with any newer 8-bit version. An update to the new app-structure is planned. See {{http://www.ucapps.de/mios_download.html|Downloads}}... and {{http://www.ucapps.de/mios_bootstrap_newbies.html|MIOS8 Upload for Newbies}}

\\
**12. Upload ACSensorizer**

Upload "ACSensorizer.hex" /-OR-/ "ACSensorizer.syx" (depending on the method you are using... => see "Uploading an Application" at {{http://www.ucapps.de/mios_bootstrap_newbies.html|MIOS8 Upload for Newbies}})

\\
**13. Sensor Calibration**

  * Connect your sensors
  * Disable all sensors but the first one (Menu: ENA => OFF)
  * "from" should be "0" and "to" should be "127"
  * Try Autocalibration first:
    * Menu: AUT -> MIN => Trigger the minimum value of the sensor, then press the pedal. Release the pedal once you have the right minimum value.
    * Menu: AUT -> MAX => Trigger the maximum value of the sensor, then press the pedal. Release the pedal once you have the right maximum value.
    * Menu: AUT -> OFF
  * Repeat these steps for the remaining sensors.


  * If the automatic calculations aren't satisfying, which may be the case if you're using sensors with a "jumpy" behavior like IR Distance sensors, you can set the sensing MIN/MAX values by hand. Do not mix up with the Scale from/to values these are just to interpolate the final signal:
    * Measure the electrical min/max values or take them from the datasheet ( //Example: 0.2V min to 2.5V max// )
    * Calculate the 10bit minimum (Factor 1024 / 5V = 204.8) : // 0.2Vmin * 204.8 = 40.96 => as 8bit number: 40.96 / 4 = 10.24 => Enter 15 as MIN. // Note that the value is just //shown// as 8bit value, internally it's a 10bit value. That's why you need 4 Encoder detends to go from 128 to 129... 
    * Calculate the 10bit maximum (Factor 204.8) : // 2.5Vmax * 204.8 = 512 => as 8bit number: 512 / 4 = 128 => Enter 128 as MAX //
    * Now set the sense-factor, Menu: F. The sensorized value gets divided by this factor to get the 7bit value. Normally this would be 8 (1024 / 127 = 8) => // in our example: 512 max (10bit) / 127 = 4 => Enter 4 as F//
    * Proceed with the remaining sensors and Save your patch.


**Done!**


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\\
This site is about to change while the Sensorizer is beeing developed further!\\

have fun! // -- audiocommander //
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