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Month: March 2011

Monitoring current and voltage with the TI INA210

This week we received a INA210 from Texas Instruments. Officially it’s a “Voltage Output, High/Low-Side Measurement, Bi-Directional Zero-Drift Series Current Shunt Monitor”. It allows us to monitor the amps flowing through the shunt, and to display the “right now” amp

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Monitoring voltage of a dc battery supply

Since we are involved in off grid solar power systems, we have a need to monitor battery voltage. The Arduino can do this easily with a simple voltage divider. With some simple mods, we can control loads, generators, or notifications

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