x 0.28 inch Mini Digital Voltmeter with 7-Segment LED Display 2.5V - 30V, Voltage Display, Voltage Measuring Module Compatible with Arduino Including E-Book

General description This mini digital voltmeter is designed for easy and accurate voltage measurement, making it ideal for checking 18650 batteries or car batteries. It features a 7-segment LED display and can measure voltages ranging from 2.5V to 30V. The built-in potentiometer allows for precise calibration, ensuring reliable readings. With four display color options, this voltmeter can be adapted to suit various applications. Additionally, it comes with an E-Book that provides valuable information and examples to help you get started on your projects. Technical specifications Voltage measurement range: 2.5V - 30V Display type: 7-segment LED Calibration: Built-in potentiometer Display colors: Four options available Installation Quick installation process Comprehensive installation guides included in the E-Book Usage Ideal for measuring voltages in batteries Includes application examples to assist with various projects