[Dane] built this excellent home theater pre-amplifier. He used [Mark Hennesy]‘s pre-amp design to start with, and added selectable XLR, RCA, SPDIF and even USB audio inputs. Discrete inputs from his DVD player provide surround input, and an analog matrix creates 7.1 surround from the 5.1 input. The design is very elegant, and even uses a VFD display that appears … Read the rest
DIY Home Theater Preamplifier
December 27, 2007 By 9 Comments
24C3 Build your own UAV
December 27, 2007 By 18 Comments
The 24th annual Chaos Communications Congress in Berlin is already off to a great start. The first talk we attended was [Antoine Drouin] and [Martin Müller] presenting Paparazzi – The Free Autopilot. Paparazzi is an open source hardware and software project for building autonomous unmanned aerial vehicles. The main hardware board has an ARM processor and GPS. It uses … Read the rest
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