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I have put together a patch that converts a row of 40 ones and zeros into bytes that are then sent to the Arduino via [comport]. A maximum of 8 speakers can be switched on at a time. | I have put together a patch that converts a row of 40 ones and zeros into bytes that are then sent to the Arduino via [comport]. A maximum of 8 speakers can be switched on at a time. | ||
You can download | You can download it here: | ||
http://amphibiousthoughts.com/dload/PD/ | http://amphibiousthoughts.com/dload/PD/ | ||
You'll need gridflow in order to make [#many] work. | You'll need gridflow in order to make [#many] work. | ||
Suggestions on how to make this better and a x/y controller interface would be highly appreciated! | Suggestions on how to make this better and a x/y controller interface would be highly appreciated! | ||
The installation does | The installation does '''not''' provide 40 channel audio. It is just one mono channel that can be switched on or of for each speaker. For that, 5 bytes are sent to an Arduino via the [comport] object. The Arduino will then activate the switching process once the audio signal is in zero phase. This prevents the speakers from cracking when switched on or off. This is not yet working completely, which is probably due to some current leaking somewhere in the circuit. Cracks can be heard, especially when switching very fast and using pure sine waves. | ||
It is possible that, instead of connecting directly to the Arduino, there will be a network cable and the numbers will be sent via [netsend] or osc to a machine already installed. This will prevent PD crashes when disconnecting the Arduino without closing the [comport] connection. | It is possible that, instead of connecting directly to the Arduino, there will be a network cable and the numbers will be sent via [netsend] or osc to a machine already installed. This will prevent PD crashes when disconnecting the Arduino without closing the [comport] connection. | ||
Rules: | Rules: | ||
* the interface I provide must be fed with 40 separate binary numbers (1 or 0). Use [drip] to separate lists. | |||
* the maximum checksum of these 40 numbers is 8, i.e. a maximum of 8 speakers can be on at a time (due to limitations of the current supply). | |||
* send your Pd patches and/or music until the 30th of July to felix at amphibiousthoughts . com, for us to make a selection for display. | |||