USB BitScope 10 Displays it includes a high-quality SiLabs

it includes a high-quality SiLabs CP2104 USB-Serial chip that can upload code at  921600 baud for fast development time

Keep in mind that these displays are designed to be driven by FPGAs or other high speed processors: they do not have built in PWM control of any kind

MIDI allows you to use the WAV Trigger as a polyphonic sampling synthesizer to play your own sounds from any MIDI keyboard controller

5 inputs (buttons)

The processor on the Teensy also has access to the USB and can emulate any kind of USB device you need it to be

USB BitScope 10 Displays it includes a high-quality SiLabsBS10U really is tiny, but don't let the size fool you. It's a complete USB oscilloscope, logic analyzer, arbitrary waveform generator and spectrum analyzer all rolled into one. BS10U is USB powered and user programmable. It includes a set of ten mixed signal mini grabber test probes and powerful software. BS10 provides both 5V & 3. 3V, I O & clock signals so it can power, control and even clock logic or microcontroller circuits. It has 100 MHz