Browsing the blog archives for September, 2008

Starting my LM4780 Chip Amp

This is one of those things that has been sitting on my to do list for some time now, having just moved from an apartment to a house i finally have a need for a bigger stereo. I chose National Semiconductors overture audio power amplifier series because of the great reviews from the DIY audio […]


HP 7475a Plotter [First look]

I picked up a HP 7475a pen plotter from the bay for $15, my intension’s are to use it for PCB etching. By skipping the whole toner transfer / photo sensitive board process i can save a lot of money, time and cut the general mess associated with diy PCB manufacturing. I want to be […]