Thixotropy article tells about the technology of anti-shoplifting tags used on store merchandise. They are high-Q tank circuits which if carried between a transmitting and receiving panel at a store’s doorway, they enhance 9 MHz signal propagation between those two panels and the alarm goes off. When a purchase is made, the store clerk deactivates →
Google’s latest and hottest gadget Google Glass needs little introduction because it has been on tech news many times. The core chips powering Google Glass: What’s Inside Google Glass? article shows you the electronics inside this gadget. a TI OMAP4430, 16GB of SanDisk flash, an Elpida mobile DRAM chip. The main board also holds RF →
This week started with news titled D-Link Router backdoor vulnerability discovered and Back door found in D-Link routers. This rather worrying security vulnerability on several D-Link branded modem routers made me to check my system because I use D-Link firewall. But let’s start from the basics. Because D-Link device was on news, where is a →
Here is the power supply that came with a cheap MP3 player. It is a power supply that takes in 230V mains power and outputs 5V at USB connector. What is wrong with this power supply? Let’s start with the electromechanical design. The mains connection pins that can be folded in and out at a →
The secret to sending analogue video signals over UTP is to balance them well. Video balun is a device made for this. I earlier write about Video over UTP and my own experiments related to it. Here is a look wat what is inside a commercially made inexpensive video balun, in this case LLT-201 from →
Tear-down of a new gadget is always interesting to see. iPhone 5s Teardown article has linked to this iPhone 5S Teardown Round Up video from YouTube. It shows what is inside the latest iPhone. Judge yourself does does Apple have innovation problem or not. →
Samsung S III, remains the world’s most popular Android phone, having sold over 40 million units. The new version Samsung Galaxy S IV will be announced soon. Thanks to the leak from some Chinese forum and Samsung I9500 Galaxy S4 page we know what to expect. First start with introduction. There is a IDG video →
Since its introduction of the iPad nearly two and a half years ago, Apple has held onto the lion’s share of the tablet market. Welcoming the son of iPad–introducing the iPad Mini article tells that with the 7-inch market growing at an exponential rate, it was only a matter of time before Apple would address →
Nokia Lumia 800 smart phone has display got broken. What to do? A real goldmine for anyone attempting to star repairing a cell phone nowadays are disassembly/assembly videos on Youtube. So I got there and looked for Lumia 800 related videos to see if anything could be done for this. Nokia Lumia 800 Teardown – →
Is it “The New iPad?” “iPad HD?” “iPad 3?” Who cares? All we know is this: It’s here! iPad 3 4G Teardown In this video ifixit crew covers the biggest changes to the new iPad, including the fancy-pants 2048×1536 Retina Display, A5X system on a chip processor, updated 42.5 watt-hour battery and 5 megapixel HD →