CO2 levels with windows closed

Recently, I have taken to sleeping with my windows closed. I don't get disturbed by mosquitoes buzzing at my ear in the wee hours of the morning and don't get affected by the haze as well. However, there is always the nagging thought that the "better sleep" I am experiencing might be attributed ...

CSIT Mini CTF 2026 Walkthrough

The CSIT Mini CTF 2026 presented us with a 2 stage Windows binary. The first stage downloads an ascii payload from https://minictf2026.s3.us-east-1.amazonaws.com/enc_release-2.txt, performs some decoding where the bits were inverted and reversed, and then loaded into memory and executed. The ...

Integrate Kaiterra Sensedge Mini with HA

I've recently come into a Kaiterra Sensedge Mini and spent some time integrating it into my Home Assistant setup. The Kaiterra Sensedge Mini is a commercial grade Air Quality Sensor capable of monitoring CO2, TVOC, PM2.5, PM10, Humidity and Temperature. The easiest route to integrating with ...

Running Caddy on high ports

One of the great selling points of Caddy is seamless SSL setup as Caddy will automatically request certificates from Let's Encrypt. However it uses the HTTP-01 or the TLS-ALPN-01 challenge which requires exposing Caddy on port 80 or 443 during the cert renewal process. This may not be possible ...

N100 Low Power Server

A couple of months ago, I acquired one of these N100 low power boards to replace my old Wyse 5010. These boards are way more powerful and have a lower power consumption, while still remaining relatively affordable. The CPU and motherboard combination can be had for under $200. I chose a board ...

Studying for an IT LLM

Having recently graduated with a Master of Laws (LLM) in Information Technology Law, I thought it would be apt to share more about how I came to the decision to pursue the LLM and to reflect on the journey over the past two years. Why Study for an LLM? Having spent about eight years in the ...

Tuya Local and Protocol 3.5 support

I have been a longtime user of localtuya and tried to configure a recently purchased triple USB tuya plug that looks like that below. localtuya has been suggested by most of the tutorials online and is one of the most popular add-ons. The device name showing up on the SmartLife app is 3CH Wifi ...

When does Windows sleep?

I have always wondered about a somewhat inconsistent behaviour in how Windows decides when the computer is inactive, and to turn off the screen and subsequently sleep. As an example, if I have a 2 hour YouTube video playing in the browser, the screen will never turn off and the computer will ...