Versatile Thermostat vs Better Thermostat: 10 Days of Data Changed My Mind

Better Thermostat vs Versatile Thermostat: 10 days of data, 90% less valve thrashing, 2x faster heating. Here's why I switched and the numbers that prove it.

The Holy Grail of Heating Thermostats: A Plot Twist (TRV801Z vs TRV801_1)

I bought 8 MOES TRV valves and discovered that firmware lottery can ruin your heating automation. Here's what I learned at -14°C outside.

The Lazy Sysadmin's Guide to UPS Battery Calibration: When You Refuse to Leave Your Desk

Replaced UPS batteries but runtime dropped? The APC remembers old capacity. Instead of shutting down my homelab and fumbling with cables, I calibrated the UPS remotely via Home Assistant's NUT addon using raw netcat commands. Runtime nearly doubled. Zero cables touched.

How I Spent Two Weeks Fighting Microsoft's Support System to Recover My Own Account: A Kafka-esque Journey Through Corporate Bureaucracy

Locked out of your Microsoft account as the sole admin? Join me on a 2-week odyssey through Microsoft's Kafkaesque support system. Learn the secret backdoors, magic words, and creative workarounds I discovered to finally recover my account. A survival guide born from corporate bureaucracy hell.

The $20 Bitcoin Lottery: When Your ESP32 Becomes a Slot Machine (With Better Odds Than You Think)

I compare the odds of winning the Polish Lotto, the Eurojackpot, and solo-mining a Bitcoin block with a $20 ESP32. The results are shocking — in the world of “lottery mining,” your tiny device becomes a perpetual lottery ticket that also tells time and costs under $3 a year to run.

When Rain Actually Makes You Happy: The $10 Zigbee Guardian of Your Outdoor Laundry

A punchy summary that highlights the key selling points - the price, dual functionality, practical use cases (laundry + irrigation), and the advantage of real detection over forecasts. It's short, engaging, and gives readers a clear reason to read the full article.

The Silent Killer and the 25$ Zigbee Guardian: Safer Home with the ZC-HM Carbon Monoxide Sensor (Home Assistant compatibile)

The heating season brings a deadly risk: carbon monoxide. See how a $25 Zigbee sensor (ZC-HM) and Home Assistant can protect your family. A simple setup for a priceless peace of mind. #SmartHome #Safety

When SMART Lies and Your NAS Dies: A 48-Hour Recovery Saga

"SMART status: PASSED" - the biggest lie in storage monitoring. My WD Red drive was dying with 69 errors at LBA=0, clicking mechanically, yet SMART said everything was fine. A 48-hour battle with silent hardware failure that nearly cost me 4.5TB of data. ZFS saved me, but barely.

The Day I Cracked My Own 12-Year-Old TrueCrypt Volume: A Journey Through Virtual Machines, Legacy Crypto, and Million-Password Brute Force

Journey through recovering a 12-year-old TrueCrypt volume: from P2V virtualization failures to discovering VeraCrypt incompatibilities with RIPEMD-160, building a 12-million password generator, and creating a PowerShell batch-processing script that reduced 412 days to 6 minutes. Full code included.

That Time I Thought I Got Pwned (But Was Just Being a Noob)

Woke up to suspicious AWS bot traffic hitting my Ghost API endpoints. Spent 5 minutes convinced I was hacked before realizing I'm just an idiot who never read the docs. Turns out Ghost's Content API key is supposed to be public. Who knew? (Everyone except me, apparently.)

Building a Reliable Local NTP Server with GPS: Another Step Towards Self-Hosted Infrastructure

The improvement is staggering! We went from ~5-6 milliseconds accuracy with internet sources to just 82 microseconds with local GPS. That's over 60 times more accurate! This is stratum 1 time accuracy in my homelab!

The Day I Discovered My TimescaleDB Was Just PostgreSQL in Disguise

For years I thought my Zabbix was using TimescaleDB. A failed upgrade revealed the truth: 391 million records in plain PostgreSQL with no optimization. My queries were 7,500x slower than they should have been. Sometimes the best discoveries come from fixing what's broken.