With a wlan stick, a battery pack, and Pure Data the Raspberry Pi becomes a swissarmy knife for MIDI and OSC.
In an ongoing project to make wearable non-standard musical controllers we found the vmeter which is a nicely sized touch strip with the one drawback that it is a usb device and as such wired. We looked into ways to make a wireless usb or MIDI connection or anything similar and found close to nothing that suited our needs (battery powered, small, flexible). After thinking about this for a while it occured to me that building our own system actually should take close to no hardware hacking and only a little software tinkering. So we decided to build our own. Basically a Raspberry Pi with a WLAN stick and a battery pack is all you need.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.