Table of contents Table of contents Intro Abbreviations First idea: DNS Tracerouting Weird IP So how does it work? Checking their precision Conclusion Links Intro My colleagues mentioned they need a VPN to order e‑liquids because the stores are blocked in Hungary. That prompted an investigation into how the …

I recently bought a toy 3D printer from Aliexpress for around 60 EUR. I like it very much, however I am missing some quality of life features that a "real" 3D printer has. This post is to document the research performed on its main board in the hope that I …

Prerequirements Selecting a custom OS Getting the necessary files Creating a backup Flashing the custom ROM Setting it all up I had a cheap Chinese Android TV box laying around from around 2020 and wanted to give it a new life. This post is to document the process in case …

I wanted to use OpenOCD with my Nexys 3 FPGA devboard. The Reference Manual1 states that it has an on-board USB controller that is connected to the JTAG lines. In this post, we will (hopefully) make it work under Linux with OpenOCD, so that I can debug softcores in …

So I was experimenting with FPGA softcores and was wanting to debug the MicroBlaze core. I used a Xilinx Spartan 6 board from Digilent (Nexys 3) and found the built in Xilinx ISE debugger very basic. I then researched that the XMD server (Xilinx Microprocessor Debugger) actually serves as a …

After receiving my DHT modules for the ESP-01S from Aliexpress, I was surprised by how inaccurate were they. esphome: name: "weatherstation" name_add_mac_suffix: true platform: esp8266 board: esp01_1m wifi: ssid: "your_ssid" password: "your_pass" ap: ssid: "weatherstation_fallback" password: "fallback_password" captive_portal: # Enable logging logger: # Enable OTA updates ota: - platform: esphome # Web server to …

Intro I would like to block certain websites in the evening inside my home network for certain reasons. I also don't want to modify any settings on the client side (access may be limited - we have to use our epic networking skillz). In this example I will take a look …

The source code is available on my GitHub. You probably know that lots of smart TVs use YouTube's HTML TV interface, found at youtube.com/tv. You could easily open this up on your PC web browser until September 2019, when YouTube deprecated it. After a few weeks, some people …