Product tests

Cheap Arduino Nano Review

I found a very cheap Arduino Nano board from Bang good web shop. I consider 5.34 Euros very cheap price for Arduino Nano, usually those cost $10 or even considerably more. Gravitech lists on it’s web page price to be $34.99. I wonder how this board can get this be built and delivered from other

littlebits

One friend mentioned this: littleBits makes an opensource library of electronic modules that snap together with tiny magnets for prototyping, learning, and fun. Looks interesting. There are even instructions how to join littleBits to LEGO. All the  modules are open source, check  GitHub for Eagle boards and schematics for all the littleBits modules. The aim

Bang good web shop

I have bout a lot of stuff from Dealextreme web shop that I mentioned some years ago at  my blog posting. I can still recommend that place like I did years ago. Now I have found another interesting looking place which have similar products sometimes even cheaper prices. Bang Good at http://www.banggood.com/ has a lot

IBOX Review

This is a review of  IBOX Mini multi-function single board computer from iTead Studio. The iBox has received some fame by raising funds through the crowdfunding site Indiegogo (it exceeded the intended target considerably). A friend gave tip that iTead Studio was looking for bloggers to review the iBox product. I submitted request to them

USB to RS485 Adapter

I needed to interface PC to some RS-485 test circuits, so I decided to try this cheap USB to RS485 Adapter – Black + Green adapter for that. I selected this specifically because of the cheap price (it is considerably cheaper than anything else I have seen for the same purpose). There should not be

3.3V / 5V Power Module for Breadboard

Some time ago I wanted an easy way to power logic circuits on breadboard (both 5V and 3.3v circuit as needed). The product 121305 3.3V / 5V Power Module for Breadboard – Deep Blue seemed to fit the needs pretty well at few dollars (around $3.5). It takes 6.5~12V DC input voltage and outputs regulated

Meeeno ACS712 Current Measuring Sensor

I needed to do some AC current measuring with Arduino, more accurately than with special AC current sensor I tested earlier. To do that measuring I bought Meeeno ACS712 Current Measuring Sensor Brick Module Board for Arduino. This is a picture of that module from dx.com:   This module is pretty easy and safe way

Wire ferrule crimping tools

Wire Ferrules (sometimes called Cord End Sleeves) allow the easy and reliable connection of flexible leads to screw terminals. Ferrules are the preferred alternative to twisting wire strands or tinning the wire end (tinned ends should not be terminated in compression clamps). Industrial best practice is to NOT tin wires that are to be terminated

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.