You can also use the IICLCD1602 LCD to display voltage.
By 3P connector, connect this module with the expansion of board Arduino
Voltage input range: DC 0-25 V
Voltage detection range: DC 0.02445 V? to 25 V
Voltage analog resolution : 0.00489 V
Voltage Sensor Detection Module
$0.55
Availability: 18 in stock
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