Author Archive

Microsoft built its own custom Linux kernel for its new IoT service | TechCrunch

https://techcrunch.com/2018/04/16/microsoft-built-its-own-custom-linux-kernel-for-its-new-iot-service/ Microsoft announced the launch of a secure end-to-end IoT product that focuses on microcontroller-based devices. At the core of Azure Sphere is a new class of certified MCUs. MediaTek is producing the first set of these new MCUs (single-core ARM-A7 systems that run at 500MHz). Interesring twist is that for the first time ever,

FrostBite IoT dev board

Sundelin & Kouri Engineering Ltd launched a completely new C++-based platform and development board for accelerated IoT and embedded development called FrostBite. The new board, Frostbite, is based on Nordic’s nRF52840 SoC silicon, featuring powerful 64MHz ARM Cortex M4F CPU, 256K of RAM and 1M of on-chip flash memory, on-chip soft radio for multitude of

Hot wheels speed sensor

I built a Hot Wheels toy car track speed sensor using Arduino and metal detector. The main processing unit is Arduino Uno + sensor shield on top of it.  The display is cheap LCD display that connects to I2C. The sensor is metal detector kit I tested and converted to Arduino sensor in Metal detector

Embedded Conference Finland 2018

Embedded Comference Finland 2018 was on Helsinki today.Security was still hot topic again this year because many companies have not fixed their Internet of Threats products.The outcome was that the trend is that third parties will almost always make your IoT products less secure than you made them to be. Siemens keynote More security AI

FIDO Alliance and W3C have a plan to kill the password | TechCrunch

https://techcrunch.com/2018/04/10/fido-alliance-and-w3c-have-a-plan-to-kill-the-password/ This looks interesting. By now it’s crystal clear to just about everyone that the password is a weak form of authentication but used a lot. Today, two standards bodies, FIDO and W3C announced a way that looks better, a new password free protocol for the web called WebAuthn. The major browser makers including Google,

PoE tester teardown

Here is teardown of one cheap power over Ethernet tester from eBay. It worked OK and did what it promised. It came with instructions that seem to be for a slightly different model witg more features. What is inside Circuit details. It has two sensing circuits: for end span and middle span power. I have

Technical Cheat Sheets for Developers – RHD Blog

https://developers.redhat.com/blog/2017/05/23/technical-cheat-sheets-for-developers/ Here are the cheat sheets available today: Linux Commands Cheat Sheet, Advanced Linux Commands Cheat Sheet, Wildfly Swarm Cheat Sheet, Containers Cheat Sheet, MongoDB Cheat Sheet, Kubernetes Cheat Sheet and the Eclipse Vert.x Cheat Sheet.