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I came across a small voltmeter/ammeter board on Taobao and decided to order one and give it a try. Turns out I made the right call—but more on that in the review.

Continuing the topic of devices with VFD displays, I want to tell you about a rather interesting product: a fairly accurate ammeter-voltmeter that could come in handy for a hobbyist.

While developing a device for testing and balancing multi-cell battery packs, I needed a multifunction meter. Since I planned to use it together with an electronic load, though, the meter had to be a little unusual. A look at the device, its description and tests, plus a short cautionary tale, after the jump.

I’ve already posted a review of a very similar device once before—the title was almost the same, too. This time, though, the little meter is a bit cheaper, and its quality is definitely no worse than the previous one. So, here’s a quick review of a useful little gadget for electronics hobbyists.

It's been a while since I last picked up a soldering iron. A little while ago, I received a very useful little gadget, and today I plan not only to show it off but also to put it to work on a real project. Warning: lots of photos, which may be a problem for users on expensive data plans.