Atmel AVR XMEGA will provide you eXtra more

If you like the AVR ATmega microprocessors, then the AVR XMEGA offer you even more reasons why to use them in your appliances.

Single-chip microprocessors AVR ATmega have gained a huge popularity all over the world. Because an excellent can also be even better, Atmel Corporation came to the market with the innovated series of these processors under marking XMEGA.

Generally known excellent properties of 8 bit RISC processors AVR Atmega, were further improved by developers in Atmel Corporation in this new line of 8/16 bit AVR XMEGA processors. That they succeeded, testifies this concise overview of innovations:

  • fast precise 12 bit AD converter (ADC)
  • fast 12 bit DA converter (DAC)
  • DMA controller for CPU independent data transfer
  • event system, most of peripherials and the DMA controller can use it, what significantly offloads CPU
  • ultra low power consumption – picoPOWER technology for a minimal consumption of 100nA in the Power down mode
  • EBI bus for RAM extension, peripherials (LCD) or memory-mapped devices
  • free Qtouch library for operation with capacitive touch panels
  • full speed USB connectivity without external crystal (at some models)
  • free AVR Software Framework including all common USB device classes
  • LCD display driver for a direct connection of LCD to processor
  • true 1.6V operation and speeds up to 32 MHz
  • AES, DES crypting protocols
  • 3-level interrupt controller (priority is freely user definable)
  • CRC modul (cyclic redundancy check) for data integrity check
  • RTC (real time clock) with optional battery backup system
  • analog comparators with adjustable hysteresis and propagation delay
  • external oscillator failure detection – in case of failure, CPU will start operation with the internal 2MHz oscillator
  • supply voltage 1.6 to 3.6V

Atmel AVR XMEGA will provide you eXtra more – [Link]

Charge a USB device anywhere even without a PC

As today already many devices have the possibility to be powered or charged via USB port, we also react on this trend by adding a USB mains adapter to our offer. With such an adapter you can power or charge almost any USB device.

Adapter MW3NU10GS is a switched type with a high efficiency and its own power consumption of less than 0.30 Watt, conforming to regulation 278/2009/EC second stage (EuP, ErP), as well as CEC level V.

Nominal output voltage is 5.2V and current loadability current-carrying capacity up to 1000 mA. It is an invaluable helper for supplying or charging of various portable devices, which support this function (for example some mobile phones, GPS navigations, mp3 and mp4 players,…). Advantage of such a device is that because of supplying or charging of a small portable device you don´t have to switch-on a PC or notebook with a substantially higher power consumption. Another advantage is a big versatility and perspectivity of usage even for future devices. To the universal usage contributes also a wide input voltage range from 100 to 240V.

Charge a USB device anywhere even without a PC – [Link]

Measure even a direct current with the clamp multimeter MS2102

With the MS2102 clamp multimeter you can comfortably measure not only alternate but also a direct current and voltage and all this at an outstanding price.

If you´re considering a purchase of a clamp multimeter, or if you already have a common multimeter and want a clamp version, then we have the device with an outstanding ratio of price to performance for you.

Sometimes it isn´t a problem to disconnect a measured circuit and to measure current by a common multimeter connected in series. However you may have already experienced a situation when it wasn´t possible to disconnect the measured circuit, from mechanical or electrical reasons. For these situations a clamp multimeter is an ideal choice. As it is well known, the biggest advantage of clamp multimeters is that they are able to measure a current flowing by a wire lead on the base of an induced magnetic field – without direct connection to a measured circuit. Thanks to the fact that a current is measured indirectly – the multimeter is at measuring galvanically isolated from a measured circuit, what provides a significantly higher safety to the user. From the principle of construction is the clamp multimeter suitable for measuring of mid to higher currents (above approx. 10 mA)

A big advantage of MS2102 is that it enables to measure also a direct current (DC). So for example to measure a current flowing to or from a car battery is with this device a breeze. Concurrently with measuring AC and DC current offers MS2102 also a possibility to measure also an AC and DC voltage, resistance to 400 Ohm and a continuity test. It contains an analogue bargraph and a maximal display value is 3999.

Measure even a direct current with the clamp multimeter MS2102 – [Link]

Connect the LED panels without soldering – with TE connectors

To connect wire leads to LED panels is easy, elegant and professional with poke-in connectors from TE Connectivity.

How to connect wire leads to PCB so that they had a reliable contact and didn´t require hand soldering? We probably will get an idea of more possibilities by means of various terminals. But what a terminal or connector to use, so that it looked professionally, didn´t act disturbing and had a low profile which doesn´t shade LEDs?

Poke in connectors from TE Connectivity are designed specially for lighting purposes. They are available in an SMT as well as a THT version. High temperature material enables reflow soldering together with other SMT components. Connection of wires themselves then requires only a simple insertion of a wire with a 7mm stripped part. For a simple strip length check, the connector has the strip length gage.

Connectors are available with a standard as well as low insertion force. It is possible to use 18, 20 and 22 AWG wires, 18-20 AWG stranded pre-bond wires, as well as 18 AWG stranded wires. They have a low profile and rounded corners to minimize shadowing. Relatively robust construction and redundant pads increase mechanical stability and prevent peeling of connector from PCB. If using more connectors side by side, they are stackable with pads on 4mm centers. Flat top surface allows for problemless vacuum pickup. Connectors are available in 1 and 2 positions, in SMT as well as THT version. White (cream) or black colour enable to differ polarity. For a maximum corrosion protection in outdoor and humidity environment also gel-filled types are available.

Connect the LED panels without soldering – with TE connectors – [Link]

Connect your USB applications to devices with Android OS!

Company Future Technology Devices International Limited (FTDI) extended support of its USB components even for connection to products with the Android operating system.

The first contribution is the release of the Application note AN_181 about accessing the „Android Open Accessory Mode“ with Vinculum-II chips. Open Accessory Mode is a new feature in of Android OS 3.1. whereby a USB host device can connect to the Android device to allow data transfer to and from the Android device over USB. FTDI chip VNC-II as a powerful 16 bit chip enables to add USB HOST capabilities to many devices thus enabling to use also this Android OS mode. AN181 document shows the access to the Open Accessory Mode on an example of a development board V2EVAL and the Motorola Xoom tablet combination. FTDI provides a full source code as well as precompiled ROM files.

The second contribution is the release of new D2XX drivers for FTxxxx chips usable for Android OS. D2XX API is common for all usual OS-es, namely Windows, Windows CE, Linux and Mac OS X. FTDI has now developed the port of D2XX drivers for Android OS including native JAVA interface code and a JAVA class. This enable an easy access to the driver from an Android application. FTDI releases these drivers as a beta-version and if necessary, you can contact the technical support at support1 [at] Detailed description is in the Technical note TN_134. Supplementary information about Adding FTDI Devices VCP Driver Support to Android is in the technical note TN_132.

Connect your USB applications to devices with Android OS! – [Link]

Complete GPS receiver module for under $3

SiRFstarIII based GPS RADIONOVA provides complete GPS system solution for embedded GPS applications

Antenova Ltd, an integrated antenna and RF solutions company, announced a special sub-$3 price offering of its GPS RADIONOVA SS3 Receiver Module – a complete GPS receiver including SiRFstarIII GPS IC and all front end RF components in a very small low profile single package module. The SS3 GPS Receiver Module is a complete drop in solution for a wide range of embedded applications including ‘GPS mouse’ (USB dongles), personal trackers, automatic vehicle locators (AVLs), vehicle black boxes, data loggers, media tablets and portable media players (PMPs). [via]

Complete GPS receiver module for under $3 – [Link]

Highest efficiency ever for flexible OLEDs

Materials science and engineering researchers at the University of Toronto have developed the world’s most efficient organic light emitting diodes (OLEDs) on plastic. This paves the way for a flexible form factor as well as a less costly alternative to conventional OLED manufacturing, which is currently based on rigid glass substrates.

OLEDs enable high-contrast, low-energy displays that are rapidly becoming the dominant technology for advanced electronic screens. They are already used in some mobile phones and small-scale applications, and increasingly in general lighting applications. Current state-of-the-art OLEDs are produced using glass doped with heavy metals to achieve high efficiency and brightness, which makes them expensive to manufacture, heavy, rigid and fragile. Using plastic can substantially reduce production costs while providing designers with a more durable and flexible material for their products. [via]

Highest efficiency ever for flexible OLEDs – [Link]

Panoramic photo? Throw your camera in the air

Panoramic photography creates fascinating images. Very wide angle images are closer to the human field of view than conventional pictures. If seen through a panoramic viewer they let you experience a location as if you were there.

Panoramic image stitching can create panoramas from pictures taken one after another. Unfortunately, acquiring the images takes a lot of time and moving objects may cause ghosting. It is also difficult to obtain a full spherical panorama, because the downward picture cannot be captured while the camera is mounted on the tripod.

A throwable panoramic camera solves these problems. The camera is thrown into the air and captures an image at the highest point of flight — when it is hardly moving. The camera takes full spherical panoramas, requires no preparation and images are taken instantaneously. It can capture scenes with many moving objects without producing ghosting artifacts and creates unique images. [via]

Panoramic photo? Throw your camera in the air – [Link]

The Groovewatt Tube (Valve) RIAA Phono Preamp Project

Bruce Heran writes:

This is a project that I always wanted to do, but managed to put off for a long time. It has been over a year in the doing. Partly because there are so many good phono preamps in existence and I was slightly concerned that it was beyond my design skills. It took over a year to get it up to my satisfaction. There were several iterations and lots of frustration along the way. My goal was to make a preamp that would not embarrass the builder with inferior performance. I used a number of commercial products for comparison. My thought was why bother to design and build something that was already available for a lower cost. As it turns out, it was not as inexpensive nor un-complicated as I first hoped.

The Groovewatt Tube (Valve) RIAA Phono Preamp Project – [Link]

Playing musical notes with a PIC microcontroller

Embedded-Lab’s new tutorial is about how to play notes of a song with a PIC microcontroller. Musical notes are simply sound waves of particular frequencies. If the frequency of a note is known correctly, a microcontroller can be programmed to play the note by generating a square wave (of the same frequency) signal at one of its I/O pins, which if fed to a speaker, can produce the audio tone.

Playing musical notes with a PIC microcontroller – [Link]