I am here pretty shameless in promoting cool devices from people I somehow know. Here is one to all to the list of those Tagsu – The Digital Wondertag. Tagsu is a wearable, programmable wondertag – that according to the inventors you should absolutely never, ever be without! Here is promotional video from Tagsu channel: →
EDN’s annual list of the year’s Hot 100 Products is here again! EDN Hot 100 products of 2014 offers you pointers very many interesting products. This year’s list leaves no doubt as to the hottest technology trends, with mobile, wearables, connectivity and the Internet of Things (IoT) – along with related areas of sensing, security →
I got interested interested in ESP8266 WiFi module after reading New Chip Alert: The ESP8266 WiFi Module (It’s $5) article. Why is it cool? It’s a WiFi module with an SOC, making it somewhat similar to TI’s CC300. ESP8266 is an UART to WiFi module that you can pick for less than $5 USD. ESP8266 is →
Gl.iNet 6416A is a very small cheap (around 20 Euros / $25) smart WLAN router platform (clone of TP-Link WR-703 router). It has two Ethernet interfaces, WLAN interface and USB port. The small device is powered with USB power supply. It runs open source OpenWRT Linux operating system. It can be used as a router →
I had a very quick hands-on with Texas Instruments CC2541 SensorTag last week. The CC2541 SensorTag is Bluetooth Smart development kit focused on wireless sensor applications targeted for smart phone app developers. The SensorTag can be used as reference design and development platform for a variety of smart phone accessories. CC2541 based SensorTag has practically →
A current transformer (CT) is used for measurement of alternating electric currents. The most common design of CT consists of a length of wire wrapped many times around a silicon steel ring passed ‘around’ the circuit being measured. Current transformers are used extensively for measuring current and monitoring the operation of the power grid. The →
Nowadays it is typical that small embedded platforms and modules offer TTL level (5V or 3.3V) serial port interfaces in them. The easiest way to interface such port to PC is to use USB to TTL level serial port converter (it is easier than adding external TTL-RS232 converter board and then connect to normal serial →
Consider the Internet-of-Things (or Internet-of-Everything as some like to call it): everything – yes, literally everything – will be connected. And the IoT sales people have high promises: Cars will be safer. TV will be better. Homes will be smarter. The promise is that different things can talk to each other if you want. Nowadays →
One day I bough a very cheap quite nice looking (if you like Apple style) very cheap (2 USD) USB charger from dx.com. I was curious to see if anything useful could be built this cheaply. The product USB Power Charger Adapter – White (EU Plug / 100~240V) carried SKU 176662 code, but there does →
Farnell/Newark/Element14 has been running a Conductive Ink Challenge with deadline of 31st August 2014. In it the competition the plan is to draw artistic circuits by hand using nickel or silver-laced “ink”. The aim is to make eye-catching piece of art. Judging is based on creativity, originality and technical and is final To test conductive →