Introduction Hardware Security Module (HSM) is a physical crypto device that is designed to creates, manages and protects in a safe manner crypto keys against tampering. HSMs are used for different applications cases such as : secure cryptographic key generation secure key storage at least for master keys which other keys are derived keyRead More
GPS tracking systems are widely utilized in a multitude of applications such as fleet management, security, personal or merchandise remote monitoring. In this tutorial we will show how to build and program a mobile GPS Tracking device that is capable of streaming location coordinates to an IoT cloud and enable a real-time map view fromRead More
In this article we will show how to extend an IoT Embedded Linux System with a broadband connection using 3G/4G networks. Poky/Yocto is used as Linux distribution in combination with the mobile telephony application oFono. As hardware example we have a raspberrypi, nevertheless the same setup was applied and verified on other standard development kits and customRead More
In this tutorial we will show how to setup a guest Wifi hotspot and configure it to restrict the internet access to only web surfing. We will showcase this setup using Poky/Yocto as Linux distribution and connman as network manager. As hardware we will use: Raspberry-Pi Beaglebone-black For both boards we will use a Realtek RTL8192CURead More
Booting a device as fast as possible is not only a requirement for time critical applications but also an important facet for improving the usability and user experience. Most of the Embedded Linux distribution are designed to be generic and flexible to support variety of devices and use cases, therefore the boot-time aspect is notRead More
Falcon mode is a feature in u-Boot that enables fast booting by allowing SPL directly to start Linux kernel and skip completely u-boot loading and initialization. To understand how Falcon mode works let’s first have a quick look at a typical Linux boot-up sequence on an ARM processor: 1. First stage – Boot ROM ThisRead More
The Yocto Project is an open source collaboration project that provides templates, tools and methods to help creating a custom Linux-based systems for embedded products regardless of the hardware architecture. Yocto Project uses Poky as a reference distribution but it can also creates a custom one. The purpose of this article is to show how toRead More
PASSION FOR INNOVATION TO DRIVE SUCCESS.