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LXARDOSCOPE is a dual channel oscilloscope application for Linux, using an ATmega328 device for data acquisition, and a serial or a USB port for communication with the PC. The Look and Feel is close to a traditional oscilloscope. Sampling rate for version 0.95 is about 2350 samples per second, for each channel. Originally designed for Arduino Uno, but works best with an Atmega328 and a TTL/USB converter.
*** NEW: a preamplifier is presented which provides an input range of -4V to +6V for DC with 10mV resolution and a +/-0.5V for AC with 1mV resolution, with standard 1MegOhm input impedance.
