Recently, [Solder Hub] put together a brief video that demonstrates the basics of a Hall Effect sensor — in this case, one salvaged from an old CPU fan. Two LEDs, a 100 ohm resistor, and a 3.7 volt ...
Suited for automotive applications, the MAX9921 dual two-wire Hall-effect sensor interface IC supplies and monitors the current drawn by two Hall-effect sensors, filters the sensed-current level, and ...
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