Adding pitch and mod wheel functionality to Electro - SOS Forum
Nektar Technology IMPACT GXP61 USB MIDI Controller Keyboard, 61 Keys, 2.0 Plug-In Control Software, Modulation and Pitch-Bend Wheels, Velocity-Sensitivity with Aftertouch | GXP61 Buy, Best Price. Global Shipping.
PitchBend Pro - Apps on Google Play
Standalone pitch bend and mod wheel controller - Gearspace.com
How do you use Pitch Bend and Aftertouch? | beat bars blog
A tiny joystick for pitch bending - YouTube
Homemade pitch bend/modulation controller for Launchpad - YouTube