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Preamp for Smartphone Oscilloscope Apps

This instructable gives circuit for a pre amplifier that increases the versatality of available smart phone oscilloscope apps. The circuit is only the preamp. It is said to be compatible with most existing apps.
https://www.instructables.com/id/A-Preamplifier-for-Smartphone-Oscilloscopes/?ALLSTEPS
anay
anay • Jul 10, 2012
nice project.....sir please suggest me for biomedical based instrumentation project..

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