DC Voltage and Current Meter with Screw Terminal

Description

What it is

The ARD0010020 Voltmeter + Ammeter is a tool for measuring voltage and current in a DC circuit.

Features

• Measures DC voltage and current
• Screw terminal connectivity

What it is for

This tool is ideal for monitoring power supply in electric charging systems and for creating a battery balancing. It allows to check the voltage and current in real time, useful for diagnosing problems and optimizing performance.

Tutorial: How to use the DC Voltmeter + Ammeter with Screw Terminals

This tool measures the voltage and current of a battery or a DC circuit, ideal for monitoring power supply in electric charging systems.

What you need

• DC Voltmeter + Ammeter with Screw Terminals
• Arduino or compatible microcontroller
• Power cable
• Multimeter (optional)

Steps

1. 1. Check that the voltmeter and ammeter are in good condition.
2. 2. Read the specifications on the datasheet for the correct voltage range.
3. 3. Connect the voltmeter in series with the battery or DC circuit.
4. 4. Connect the ammeter in series with the voltmeter, make sure there are no incorrect connectors.
5. 5. Turn on the circuit and check the voltage with the voltmeter.
6. 6. Check the current with the ammeter.
7. 7. If necessary, calibrate the ammeter with a multimeter.
8. 8. Configure the microcontroller to read values from the voltmeter and ammeter.

Mini project

Create a battery balancing system using the voltmeter and ammeter to monitor voltage and current.

Common mistakes

• Connect the ammeter in parallel with the voltmeter.
• Omit the ammeter calibration.
• Use an incompatible microcontroller.
• Do not verify the maximum voltage of the circuit.

Recommended accessories

• Arduino Nano
• Arduino power supply cable
• Multimeter
• LiPo batteries

Frequently asked questions

How can I read values from the microcontroller?
Check the microcontroller specification for I2C or SPI reading.

Can I use this product with alkaline batteries?
Check the datasheet for compatibility with the maximum voltage.

Are the voltmeter and ammeter interchangeable?
No, they must be connected as specified.

Can I use this product with AC power?
No, this product is designed for DC power.