LogicSampler for STM32F4-Discovery
Sample four GPIOs and send its states over USB or UART to host. With Java GUI.
Serial Debugging over Bluetooth
Send serial debugging output to Android devices. Uses single cell (step-up to 3.3V).
A simple logic analyser for Stellaris Launchpad.
USB thumb drive logger for serial data.
Mini board (29x26mm) to control two DC motors up to 0.4A. Voltage: 2.7V - 5.5V. With PIC16F1824: PWM control, inputs for encoder, UART and one LED.
Small development board for PIC with USB-OTG-module.
USBnub - PIC development board
OpenSource USB development board with PIC18F14K50.