Logic analyzer is a very useful tool for embedded system debugging. In many embedded-system magazines and on Web sites you’ll see advertisements for instrument “boxes” or pods that connect to a PC through a USB port. These devices capture digital and analogue signals that a host PC displays in a standard scope or logic-analyzer format. →
When browsing Dealextreme New Items one day I saw Logic Analyzer w/ DuPont Lines and USB Cable for SCM – Black product that was described as USBEE AX PRO. I had previously looked at the USBee but thought they were too expensive. This one was really cheap (around 10 Euros). I have not tried USBEE →
I found a good ready made case for Raspberry Pi. →
Nokia wanted to bring amazing presentation of the new Lumia phones. Particularly a good description of the amazing camera features. They announced a good looking demonstration video in Nokia Conversations blog post. Here is the video. It looks amazing when you view it. The video and pictures look really good, almost too good to be →
I am a big fan of LEGO as you can see on many LEGO related posts in this blog. Imagination-fostering Lego is 80 years old this month. Lego was founded by 1932, Ole Kirk Kristiansen, a Danish joiner and carpenter. The company started by making and selling wooden toys. In 1934, his company came to →
I just got my Raspberry Pi computer board some time ago. When I cam back from vacation trip I finally had time to test the board. I downloaded the software from Raspberry Pi homepage. I started my testing with Raspbian “wheezy” OS version because that is the image Raspberry Pi creators recommend you use. It →
I bought Fuji HS20 camera few months ago (just some months before the model was discontinued). HS20 is a pretty good superzoom digital camera. It has a very long zoom lens and good macro properties. I have taken many of the photos posted recently to this blog using this camera. To take good macro photographs →
A class-D amplifier or switching amplifier is an electronic amplifier where all power devices (usually MOSFETs) are operated as binary switches. They are either fully on or fully off. The term “class D” is sometimes misunderstood as meaning a “digital” amplifier. While some class D amps may indeed be controlled by digital circuits, the class →
The Arduino Ethernet Shield connects your Arduino to the internet. Just plug Arduino Ethernet Shield module onto your Arduino board, connect it to your network with an RJ45 cable and follow a few simple instructions to start controlling your world through the internet. The original Arduino Ethernet Shield is based on the Wiznet W5100 ethernet →
I got CYPRESS SEMICONDUCTOR – CY3269N – KIT, STARTER, LIGHTING DEMO from Farnell for testing. CY3269N Lighting Starter Demonstration Kit is designed to showcase two Cypress technologies: EZ-Color High Brightness LED Controller (tunable white light control, color mixing) and CapSense (capacitive touch sensing). Data sheet says that this kit illustrates how an intuitive GUI lets →