a high-performance ammeter for embedded systems

a screenshot of the ammeter

[cliquer ici pour la version française]

In the Embedded Systems group of our research lab (CITI, INRIA / Univ. Lyon, France) we are currently designing and building a high performance ammeter dedicated to power measurements for small devices. Our prototype measures currents between 100nA and 30mA (gain is audo-adjusted dynamically) with a sampling frequency of 2Msps. Data is streamed to a PC over USB which enables long-running experiments, or just real-time visualization of data (cf screenshot above).

This prototype is directly useful to us in our research, but we think that this kind of a device could also be useful to others.

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