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What is DIY Sound Card Oscilloscope Guide about?

This document describes how to build a low-cost oscilloscope using a computer sound card that is capable of measuring voltages from 1mV to 500V. It involves using the line-in of a sound card and some simple circuitry including a rotary switch, resistors, diodes and an op-amp. The circuit attenuates input voltages to a range that can be measured by the sound card, then amplifies it. Instructions are provided on testing the sound card, building the circuit board, making probes from disassembled pens, and hous

Author

polikarpa

Language

EN