If built and tested programmer properly setup for your PC, you can program a wide range of tested chips from many different manufacturers easy, reliable and fast. With adapters dip 42, dip 40, plcc 32, tsop 32, 40, 48, psop 44 package chips are also supported, the 4.0 and 4.5 board programmers have adapters on board to make it even more convenient. Building it with a factory made board or a kit is not difficult if you have some experience with electronics. The software is easy to use and has all the functions you need.