Cheap USB microscope on test

When electronics gets smaller and smaller, you first need a magnifier and sometimes a microscope. There are cheap small microscopes like one I used in my DIY fiber optic microscope article. The downside of traditional microscopes and those cheap small pocket microscopes is that you have to stay curved over the target sample to use

11 Inexpensive Portable Test Tools

EE Times has a worth to check out article 11 Inexpensive Portable Test Tools. From wrist watch to pocket-sized device, inexpensive portable test and measurement tools have captured the imagination in year 2013 as never before. Even though small doesn’t always mean less powerful, the aphorism “you get what you pay for” still holds true.

A better way to use datasheets?

A better way to use datasheets than old-fashioned paper and pdf documents lying around? Hack Your Datasheets Using article tells about a new service to view, snip, annotate and share information from millions of datasheets with engineers around the world. Take a look the introduction video: The biggest feature the service brings

XVI32 freeware hex editor

When I need to view and sometimes edit binary files I typically use XVI32 software for it. XVI32 is a freeware hex editor running under Windows. It has data inspector to view decoded numbers and has a built-in script interpreter. XVI32 is a portable application, i.e. no setup program is needed, you can run XVI32

USB Power Current Voltage Tester

How could I measure the normal power consumption of my USB gadgets? How can I measure how much current a smart phone charging takes from USB port? A special built USB measurement adapter for multimeter or USB current/voltage meter can answer to to those questions (and sometimes you get some information from device manager USB

DIY USB soldering iron

I just yesterday wrote about commercially make USB soldering iron product. But how building a DIY USB soldering iron? USB Soldering Iron article shows how to convert an inexpensive battery powered Soldering Iron into a slick USB powered soldering iron. The conversion idea is to cut USB cable and wire it to the battery contacts

USB soldering iron

Powering all kind of gadgets from USB power has become very popular nowadays. Soldering from USB power? Now there are products for this. The question is that how useful they are because of the limited power available from USB port (just few watts). The maximum power you can get from normal USB 2.0 port is

HOLMImpulse measures Bode plot

I have searched for some time a suitable software (preferably free) that allows me to measure Bode plot of electronics circuits. There are commercial software, special hardware and special instruments for that (network analyzer can usually do that on radio frequencies), but I wanted something that uses the hardware I already has. After some searching

Electronics lab electrical power

Here are some tips how to arrange electrical power distribution on a small electrical lab (for example home lab). Grounded power outlet: The power that comes to your electrical lab should be grounded for your safety. Most everyone has 3-prong electrical outlets in their homes, with the third prong being called the “ground.” Extension cords