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 ...
Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that wakes up ...
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