A friend's recommendation

[Amber Valley]

One of my friends swears by his Kaiweets meter but I'm not sure if it's reliable for small signal work. I mostly do hobby builds and some Arduino stuff. Is it good enough or should I look at something else?

 

[mich4el.crx]

That's a fair question. The Kaiweets meters are generally solid value for the money and will be perfectly adequate for most hobby builds and basic Arduino work, which mostly involves 5V or 3.3V logic. You can rely on it to troubleshoot most issues. For true small signal work where you're dealing with microvolts or very sensitive analog circuits, a budget meter's limitations, like slightly less accuracy on the lowest ranges or higher input impedance, might be noticeable. However, it's still a great tool for getting started! Save your money for now. If you eventually move into professional audio or RF design, you can always upgrade to a Fluke or Keysight later!

 

[Deleted member 290]

Yeah, Kaiweets meters work well for everyday tasks, but if you're dealing with small signals or low-voltage projects on Arduino, it’s important to look at the input impedance and resolution. For accurate analog readings or delicate circuits, you might want to consider investing in a Fluke or Brymen meter that offers true RMS and enhanced accuracy.

 

[Alan]

You might want to take a look at the noise floor and sampling speed. Budget meters can have a tough time keeping up with really fast or tiny signal changes, which can be important even in delicate hobby circuits.