Безплатен уеб тренажор за подготовка за НВО и матурата по БЕЛ: 256 теми, 20-минутен таймер, оценка по критериите на МОН и подробна обратна връзка.
Тези: тренажор за есета за НВО и матурата по БЕЛ


Безплатен уеб тренажор за подготовка за НВО и матурата по БЕЛ: 256 теми, 20-минутен таймер, оценка по критериите на МОН и подробна обратна връзка.

Tesla Model 3 dead overnight with “High Voltage Fuse A Blown” (P0A9501) – a false pyro fuse squib resistance alert, reconstructed to the second with Home Assistant, TeslaMate and a cheap BLE listener, plus the collateral damage in my PV system.

Free image diff tool that compares two screenshots or diagrams in the browser – auto-alignment, five comparison modes, no uploads to anyone’s server.

Do agile teams really need only developers? My take on BAs, architects and QA after a debate with a Fortune 500 team manager friend.

People, tools and processes – balancing the three as an IT team manager, and what happens to the team when one of them is neglected.

Why IoT nodes need accurate time: SSL certificate validation, scheduling, logs – and how I handle NTP, timezones and DST on mine.

Announcing my DEV.BG tech talk on hardware and firmware design of low power battery operated wireless IoT edge nodes – April 18, Sofia.

Mapping which Sofia districts concentrate the IT jobs – a data-driven answer to a colleague’s property location question.

Announcing proSmart – a new company I co-founded to design and develop IoT home and industrial automation solutions.

Ending the twice-a-year clock fiddling: automatic DST adjustment for my microcontroller projects, and why DST barely saves energy anyway.

The initial setup problem: how to get an IoT product onto the user’s Wi-Fi without killing their enthusiasm – options compared.

A DDoS attack is hammering this blog with thousands of HTTP requests per minute – what the hosting provider offered and what I did instead.

Recording of yesterday’s IoT tech talk hangout – and the next session’s topic looks set to be the ESP8266.

Proposing a monthly IoT video hangout: 35 min community tech talk, Q&A and open discussion – anyone in?

Turns out I’ve been quantified-self-ing for years: commutes, weight, hot water, coffee, power usage – all logged to emonCMS.

Where do this blog’s visitors come from? Two years of Google Analytics data visualized in Tableau, out of pure curiosity.
Plotting 5 days of my logged locations and distance from home – the commute patterns that will soon feed home automation.
A new Asus K56CM laptop, chosen my way: set a budget, walk into the store, poke the actual machines, done.
Calculating the distance between two GPS coordinates in PHP – the math behind my location-aware home automation.
Turning stale breakfast bread into a bird feeder project with the kids – a couple of winter hours well spent.
My Raspberry Pi knows where I am – phone location feeding home automation ideas like easing the heating when I’m far from home.
What is this blog all about? Home automation, wireless sensors and energy monitoring – the big picture behind all the projects.
Opening a small store on this site – starting with the Sensing Shield PCB, more of my matured projects to follow.
Setting up WordPress as the CMS for this site – the very first post.