I think most people use the word USB for all ports in general, and really don’t or can’t differentiate between different types of it.įor a long time and still, when I hear of a USB port I imagine by default USB 2.0 because I grew up with these ports. For the current measurement follow the following steps:īefore saying and getting into anything let’s start our article with the concept of the USB port.For the voltage measurement follow the following steps:.Method 2: Measuring USB Voltage & Current Using a USB Multimeter.Reason Why Measuring USB Port Voltage & Current by a Multimeter is not a Good Idea.Steps to Measure USB Port Current Using a Multimeter.Steps to Measure USB Port Voltage Using a Multimeter.Method 1: Measuring USB current & voltage Using a Multimeter.First Understand the Different Types of USB Ports.Sounds interesting? Then I hope you will enjoy the rest of this article as well. Easy way to measure USB voltage and current and monitor them continually.How to measure USB current and voltage using a digital multimeter.That is all we will cover in this article.Īt the end of this article, you should be able to know: You have a bunch of USB cables, and you want to eliminate the bad ones.Īnd perhaps a lot of more likely situations.And you want to confirm its said ratings or want to troubleshoot it. You have a power bank and don’t know how much power it delivers through its USB port.You want to monitor that USB port for voltage and current and that is why you want to measure these quantities.Or maybe you are an electronics lover and want to learn anyway how we can measure any USB Port voltage and current. To make sure that the voltage and current rating of these ports matches the devices we are about to connect to them. Now, what if someone wants to measure the current and voltage of these USB ports? To make sure these ports are working to their full capabilities. Laptops have USB ports so that we can connect our other devices, bank chargers have USB ports so that we connect our phones for charging, and so on.

If I am not wrong most of these devices have various types of USB port connections. We are living in an era where there are so many electronic devices almost everywhere.

Usb vs usb 2 vs usb 3 voltage