In this video I am measuring the output level of the various buzzer that you can find on ebay, banggood or aliexpress.
Get the UNI-T UT353 Sound Meter from these sources:
Here are all the buzzers shown in this video:
Welcome to a new voltlog, in a previous video I showed these C5W LED bulbs that I got from ebay they were very cheap so I put them to a test and discovered they reached very high temperature in just 15 mins of running in free air which got me concerned, the fixture of this bulb could melt.
C5W LED Bulb on Ebay
C5W LED Bulb on Aliexpress
C5W LED Bulb on Banggood
Thermometer used in this video
This video starts with a rant about how bad the postal system is around here(Romania).
Here is a list with links to all the items shown in this video:
So I guess a gadget like this is worth 10$ because you could replace that linear breadboard power supply with a more efficient one, which will give you voltage and current display as well as adjustable output.
Here are some images I took during the teardown of the mini power supply:
Checkout this power supply from the links below:
60W Electronic Dummy Load Battery Tester:
Today we are taking a look at yet another electronic load. I found this one on Aliexpress, I think it’s a rather new model so let’s see what it can do.
Here are links to the 150W and the 180W version of this dummy load:
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Links to all the items shown in this video are below:
In this video we’re going to do some tests on these ebay fuses to try and determine if they come close to the specified ratings of the original fuse.
Links to products shown in this video:
today we are taking a look at the UNIT UT211B clamp meter it can do both AC and DC measurement and it has 1mA resolution on DC measurements and 0.1mA on AC. We’re also going to take a look at the DANIU P1600D test lead kit which has a bunch of accessories that might be useful.
Links to products reviewed in this video:
This is a followup video on the 300W pure sine wave inverter I reviewed a couple of weeks ago. A couple of people we’re curious how the output mosfets are switched in order to obtain that nice looking sine wave on the output.
Today we are taking a look at the ANENG AN8008 multimeter. This product was sent to me by banggood.com free of charge for the purpose of this review. They also sent me an ESD mat, because I have two benches in here in only one of them had an ESD mat so I needed a second one.
There is also a newer model, the AN8009 which I also reviewed, you can read about it here.
Links for the products shown in this video are below: