0.28 inch 3.5-30V Two Wire DC Voltmeter Blue

Description

The 0.28 inch 3.5-30V Two Wire DC Voltmeter Blue is a high-grade, precision-tested electronic component designed for reliable performance in prototyping, education, industrial control, and custom hardware engineering.

🔹 Key Features

• •[Ammeter and Voltmeter] This is tiny and compact digital voltmeter with red LED Display
• •No need to worry even if there is any connection mismatch of the wires, the electric circuit wont be a boom because it features reverse polarity protection
• •This voltmeter doesn't need external drive working power, it can work with measuring voltage, the working voltages range is 3.5-30V
• •To reach the best measurement accuracy, this voltmeter will automatically move the decimal points position according to the different measuring voltage
• •When it measures the voltage below 10V, it will display two places after the decimal point
• •When it measures the voltage above 10V, it will display one place after the decimal point

🔹 Technical Specifications

🔹 Pin Configuration & Wiring

🔹 Applications

This component is engineered and suitable for:

• •Microcontroller interfacing (Arduino, ESP32, Raspberry Pi, STM32)
• •IoT telemetry, environmental monitoring, and smart home systems
• •Robotics navigation, obstacle detection, and motion sensing
• •STEM education, university electronics labs, and maker prototyping

🔹 Package Includes

• ✓1 × 0.28 inch 3.5-30V Two Wire DC Voltmeter Blue