Published On Sep 13, 2022
This kit uses a single AA battery holder into which the user places a battery. LEDs then illuminate to show the remaining capacity of the battery. The circuit uses a quad operational amplifier to provide a reference voltage and comparators to determine which LEDs should go on. This makes it a great kit for studying operational amplifiers.
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►https://kitronik.co.uk/products/2102-...
#electronics #batterytester #soldering
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