Battery discharge status indication circuit three
Source: InternetPublisher:拳制龙 Keywords: battery battery discharge BSP Updated: 2021/01/30
The indicator uses three light-emitting diodes and can judge the voltage range from 1.8 to 3V.
Appropriate selection of component parameters can make the indicator suitable for higher voltages.
When the battery voltage is 3V. VL3 lights up (select Rl); when the voltage is 2.5V, VLz lights up (select
Rs); when the voltage is 2V, VLi lights up (select R port).
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