I have built a battery level indicator and have tested with a 12V battery Would it harm my arduino board if I connect a 48V battery? - Arduino Stack Exchange
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LED Bar Green Strip 10 Segment Strip Digital Tube Light Emitting Module Battery Level Display Module For Arduino - AliExpress
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OPEN-SAMRT Battery Style Digital Tube LED Battery Level Display Module 4-color 10-segment LED Bar for Arduino - AliExpress
Single LED as Voltage Level Indicator | Circuits4you.com
Adafruit NeoPixel Digital RGB LED Strip - White 60 LED [WHITE] : ID 1138 : $99.80 : Adafruit Industries, Unique & fun DIY electronics and kits
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WIFI Smart Addressable LED Strip Lights Kit DC5V 60LEDs/m WS2811 Arduino Flexible LED Strip With USB Port, 24Keys RF Remote, Work With Amazon Alexa And Google Home Voice Control [LSLKDC-ALEXA-02] - $23.99 :
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