usbStick is a mini size 28 Pin USB PIC IO Board with 13x input, output, analog, pwm pins. Great tool for signals monitoring (as oscilloscope), data acquisition and circuit troubleshooting at 1mSec/Samples period. 

iCP12B is a mini size high precision PC tool for signals monitoring (as oscilloscope) and data acquisition. It's come with the 1mV Resolution + 4.096V Shunt Voltage Reference, Micro USB connector, 12x input, output, analog, pwm pins and 1mSec sampling period.