This design combines power-on and low-battery indication, can operate with any battery voltage up to 15V, has very low current drain (2mA or less) and costs less than $3.50 with new parts. When the ...
Anyone running a battery-powered project knows how frustrating it can be when a battery dies or runs too low to prevent brown-out conditions. The Uh-Oh Battery Level Indicator Kit can help prevent ...
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