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linux:oscilloscope [2020/11/16 20:52] admin [Hardware] |
linux:oscilloscope [2020/11/16 21:19] (current) admin [Oscilloscope for Linux] |
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| ====== Oscilloscope for Linux ====== | ====== Oscilloscope for Linux ====== | ||
| - | {{:linux:usb_soundcard_oscilloscope_175840.jpg? | + | {{:linux:micoscope_210751.jpg?400|}}\\ |
| - | A simple and easy USB soundcard hack for an Oscilloscope.\\ | + | A simple and easy USB soundcard hack for an Oscilloscope. The best use is together with an bread board.\\ |
| But please be careful, no protection is build in. Input signals up to 5V should be save.\\ | But please be careful, no protection is build in. Input signals up to 5V should be save.\\ | ||
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| ===== Hardware ===== | ===== Hardware ===== | ||
| + | {{: | ||
| {{: | {{: | ||
| Use a cheap USB soundcard. Open the housing and solder a wire to the ground and the signal pin.\\ | Use a cheap USB soundcard. Open the housing and solder a wire to the ground and the signal pin.\\ | ||
| {{: | {{: | ||
| - | Close the housing, that' | + | Close the housing, that' |
| - | A decoupling capacitor and a potentiometer to attenuate the signal would be useful, too.\\ | + | |
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| - | |____100nF_____Mic Input | + | |
| - | If you want build a protection circuit here is a simple one:\\ | + | Best use is together with a breadboard |
| - | [[http:// | + | For an simple input protection a decoupling capacitor and a potentiometer to attenuate the signal would be useful, too.\\ |
| - | One can use a 1N4148 | + | Poti |
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| + | |____Mic Input | ||
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| + | If you want build a better | ||
| + | [[http:// | ||
| + | One can use 1N4148 | ||
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