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--- ain_module [2006/05/01 15:26] – created moebius
+++ ain_module [2016/08/05 15:46] (current) – ↷ Links adapted because of a move operation psykhaze
@@ Line 1: / Line 1: @@
-* [[http://www.ucapps.de/mbhp_ain.html|AIN Module]] <sup>uCApps</sup>
+====== AIN Module ======
+**AIN** means "Analog Input". Analog is meant as a range; in terms of voltage this range is normally from 0 to 5 V, in terms of programming this is normally a 10bit value from 0 to 1023.
+It's quite clear if you see this in contrast to the Digital Inputs (via [[DIN Module]]), which know just two states: on or off, 1 or 0.
+The AIN module is normally used to connect potentiometers to the Midibox, usually these two types:
+  * circular pots => Turning knobs
+  * linear pots => Faders
+:!:
+**Potentiometers (also "Pots") should have a typical resistance value of 10 kΩ.**
+[[Motorfader]] have to be connected to a special module called [[mf_ng_module]].
+It's also possible to use other 0-5V analog voltage sources. The [[ACSensorizer]] is a user project especially developed for AIN sources (like sensors) that do not deliver 0-5V exactly.
+The AIN module uses CMOS 4051 multiplexer ICs, each of which provides 8 analog inputs.  The most common AIN configuration is sometimes referred to as AINX4, because it has 4 such ICs, for a total of 32 inputs.  Two AINX4 boards can be cascaded for a total of 64 inputs.  Alternatively, an AIN module could be populated with as few as one 4051, if 8 or fewer inputs are required.  In MIDIbox-jargon, this could be called AINX1.
+The AIN module(s) connect to J5 on the [[core module]].
+\\
+====== See also ======
+  * [[http://www.ucapps.de/mbhp_ain.html|AIN Module]] <sup>uCApps</sup>\\
+  * [[ain board parts list]]
+  * [[ACSensorizer]]
+  * [[http://www.ucapps.de/midibox_ext.html|Midibox Extensions]] page
+  * [[http://sound.westhost.com/pots.htm|sound.westhost.com/pots.htm]] interesting background informations about pots