Use three 0603 packaging size LED red lights to display the power, use the four-computing comparator LM339 chip design control circuit, control the three-segment LED highlight display, can be used as a 2-5 string of lithium battery/nickel-hydride battery/various batteries/various batteries The amount of electricity is displayed. Intelligent electronic switch control control and turn off the circuit. When the power does not display the power, it does not consume power, the standby does not consume power, and energy conservation and environmental protection. The battery power is clear at a glance with a light touch switch. Durable. Simplicate application: No need to control the single -chip microcomputer, no burning program. It is suitable for designing the circuit design of the electricity status of various battery packs. Suitable for DIY electronic enthusiasts/electric battery battery display/can also assist Batai application design.
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