The new PC USB miniature function generator is simple to use and has a frequency range of up to 1 MHz! This nifty measuring instrument can generate sine, square and triangle waveforms, and it has a DAC resolution of 10 bits. To top things off, it has an output of 0.2 Vpp to 10 Vpp.  Download the dedicated Windows® software and control the various signals. Among other things, the software includes a handy automated wave sequence generator.