Steganography is the practice of hiding information in other images, audio, text, … You can add hidden messages to pictures, hide a file within another file, … Here we’ll try to hide some information inside an image. Images are essentially two dimensional lists of pixels, which in turn consist of Read more…
Are you still typing away on a cheap rubber dome keyboard? If so, you might be missing out on the satisfying and efficient experience of using a mechanical keyboard. I鈥檝e been using my own homemade mechanical keyboard for years now, and I can鈥檛 imagine going back. Furthermore, the 60% size Read more…
Low Energy Bluetooth (BLE) is widely used in various smart devices and IoT scenarios as a low-power, short-range wireless communication technology. However, due to the characteristics of BLE, it is susceptible to various security threats. Therefore, when designing and developing BLE applications, it is crucial to focus on security issues Read more…
Zigbee is a low-power, low-data-rate wireless communication technology that has been gaining popularity in recent years due to its ability to enable wireless communication between devices over short distances. In this article, we will delve into the history of Zigbee, its technology, applications, and future directions, providing a comprehensive review Read more…
In the physical layer of the Bluetooth protocol stack, there are two useful parameters: LQI and RSSI. Both are used by the receiver to evaluate the current wireless environment quality (link quality) and guide subsequent actions. However, the calculation principles and application scenarios of these two values differ significantly. LQI Read more…
Both KeyForge Adventures have been out for a while and as I’ve managed to defeat the Keyraken with all my decks it is time to have a look at Abyssal Conspiracy. Preparing cards for printing is done using the same to steps as described in this post. While adding the Read more…
A while ago I’ve made a MacroPad and I recently improved the code! In this post I’ll briefly show some advanced code to create a MacroPad class which allows custom functions to be added to key presses using a decorator. The original code as well as instructions how to build Read more…
The Criticality of Security One of the most discussed issues related to the Internet of Things (IoT) is security. From agriculture to hospitals, from residential smart homes to commercial smart buildings, and from power stations to traffic management systems, IoT systems and technologies will touch many parts of the world Read more…
Even high-end scientific equipment can have a bad day! Machine performance can be affected by ambient temperature, humidity, … so when samples are measured in different batches, this needs to be corrected for. In this post we’ll have a look at the Python package pyComBat which does this elegantly and Read more…
Recently my post on the analysis of Gwent Pro Rank data was picked up by a member of a Gwent Team, Team Bandit Gang, and they reached out! After pitching some ideas back and forth I ended up doing an analysis on climbing the ladder in Pro Rank. Want to Read more…