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→Encoders connected using a MCP23017 chip
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[[File:Zynaptik-3.jpg|center|thumb]]
[[File:Zynaptik-3.jpg|center|thumb]]
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+But this isn't the only option there are several MCP23017 boards available, and you can make your own with stripboard. The zynthian will work with pretty much any of these boards as long a it presents enough INput pins to cover the encoders. Zynthian needs a minimum of 12 i/0 pins for encoders and their switches.
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+===How does the zynthian understand the encoders?===
+Code, obviously. But there is a flexibility built into the system that allows it to interpret digital signals from devices connected to encoders and use that information to control the Graphical User Interface (GUI). THis is achieed using the zynthian webconf maintenance which is a web server internal to the zynthian that presents extended information for configuration and also for moving files of various sorts into and out of the zynthian's file system.
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+IT also allows some quite detailed configuration of encoders in the wiring section.
==Encoders directly connected to GPIO Pins==
==Encoders directly connected to GPIO Pins==