This is a standalone DC voltage meter. It measures 3V-30V with 1% accuracy. Best suited for battery level display. Just apply two wires on the power without any extra circuit or components, it gives the reading straight away. Easy to use, and is a good company with robotic applications.
Three colors options: green / blue / red.
![LED Voltage Meter (Red) [Discontinued] by DFRobot - The Pi Hut](http://www.ruralgoods.shop/cdn/shop/files/led-voltage-meter-red-discontinued_1.jpg?v=1787257659&width=1946)
![LED Voltage Meter (Red) [Discontinued] by DFRobot - The Pi Hut](http://www.ruralgoods.shop/cdn/shop/files/led-voltage-meter-red-discontinued_2.jpg?v=1787257659&width=1946)
![LED Voltage Meter (Red) [Discontinued] by DFRobot - The Pi Hut](http://www.ruralgoods.shop/cdn/shop/files/led-voltage-meter-red-discontinued_3.jpg?v=1787257659&width=1946)
![LED Voltage Meter (Red) [Discontinued] by DFRobot - The Pi Hut](http://www.ruralgoods.shop/cdn/shop/files/led-voltage-meter-red-discontinued_1.jpg?v=1787257659&width=1445)
![LED Voltage Meter (Red) [Discontinued] by DFRobot - The Pi Hut](http://www.ruralgoods.shop/cdn/shop/files/led-voltage-meter-red-discontinued_2.jpg?v=1787257659&width=1445)
![LED Voltage Meter (Red) [Discontinued] by DFRobot - The Pi Hut](http://www.ruralgoods.shop/cdn/shop/files/led-voltage-meter-red-discontinued_3.jpg?v=1787257659&width=1445)