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Osciloscope in PC

For experiments with R/C light switch I needed an oscilloscope. Commercial oscilloscopes are quite expensive so I tried searching on the Internet for some alternatives. I found a software called Xoscope that use a sound card to show signal on monitor. Restrictions are clearly given by parameters of A/D converter on sound card. It is necessary to create a simple circuit for correcting the input impedance and dividing the input voltage.

It's very simple device with a poor properties, but for monitoring of the servo signals (50 Hz) fully complies. To build this is very easy for any electrician.

 

Schema zapojení

Obrazovka osciloskopu

Zabudoval jsem Xoscope namísto CD mechaniky

Deska s plošným spojem se vejde akorát

Stačilo jen pár "šuplíkových" součástek

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