Tanotis Digital Capacity Tester Indicator LED for 12V Lithium LiPo LiIon Battery Products You can then select any

You can then select any one of those 16 devices to listen to

Two of these ICs allow you to split a stereo audio input into 7-bands (per channel) and read the amplitude of each using the ADC on your Arduino

There is a 3-pin JST connector with 0

allowing you to easily create animated displays or whatever else your imagination can come up with

Datasheet (MCP9700)

Tanotis Digital Capacity Tester Indicator LED for 12V Lithium LiPo LiIon Battery Products You can then select anyDigital Capacity Tester Indicator LED for 12V Lithium LiPo LiIon Battery 100% brand new and high quality This is a battery capacity tester with display of 5 sections: It can indicate battery capacity at 0%, 20%, 40%, 60%. 80%, 100% When the battery is low, the LED will shine for alarm, to indicate the battery is about to run out. There are three lead wires: red, black, yellow. When testing, we only need to connect red and black, to battery. No worries