3-Wire Yellow DC Digital Voltmeter 0-100V Adjustable

Description

What it is

The Yellow 3-Lead Digital DC Voltmeter is a adjustable device used to measure DC voltage in electronic projects. With a measurement range of 0-100V, this voltmeter offers precision and ease of use.

Features

• Measurement Voltage: 0-100V DC
• Lead Color: yellow

What it is for

This voltmeter is ideal for monitoring power supply voltage in Arduino projects and other devices that require accurate voltage control. It is useful for both beginners and experts, allowing the construction of simple power supply circuits with potentiometers to monitor voltage in real-time.

Tutorial: How to use Digital DC Voltmeter

The digital DC voltmeter is ideal for measuring DC voltage in electronic projects. Useful for beginners and intermediates, it allows for proper voltage monitoring.

What you need

• Digital DC Voltmeter
• Arduino or compatible microcontroller
• DC power supply cable
• Digital multimeter (optional)

Steps

1. 1. Check that the voltmeter works with the verification on the datasheet.
2. 2. Connect the DC power supply cable to the voltmeter.
3. 3. Connect the voltmeter to the microcontroller using the 3 wires: VCC, GND and OUT.
4. 4. Verify that the VCC and GND pins are correctly connected to the microcontroller.
5. 5. Read the digital voltage on the display.
6. 6. For a more accurate check, use the digital multimeter.
7. 7. Verify the proper functioning of the voltmeter.
8. 8. Insert the measured voltage values into your Arduino code.

Mini project

Build a simple power supply circuit with a potentiometer and the voltmeter to monitor the voltage in real time.

Common mistakes

• Do not use voltages higher than 100V.
• Do not connect directly to the microcontroller without VCC and GND.
• Regularly check the connectivity of the wires.
• Do not use the voltmeter as a power source.

Recommended accessories

• Potentiometer
• Digital multimeter
• 10kΩ resistor
• Arduino Uno

Frequently asked questions

Can the voltmeter work with voltages above 100V?
No, the maximum range is 0-100V. Check the datasheet.

Can I use any microcontroller?
Yes, but make sure the VCC and GND pins are compatible.

Can the voltmeter be used as a power source?
No, it is only a measurement device. Check the datasheet.

Is Arduino code necessary to use the voltmeter?
No, but it can facilitate voltage reading.