iot

Time-series at energy scale: TimescaleDB, InfluxDB, or ClickHouse?

Pick wrong and your data layer will crack at exactly the moment your fleet is interesting. The three credible options for energy and IoT time-series in 2026 are TimescaleDB, InfluxDB, and ClickHouse. Each is excellent for a slightly different shape of workload.

5 min read

LoRaWAN, NB-IoT, Cat-M1: a 2026 connectivity decision tree

Picking your connectivity is picking your unit economics, and you only get to do it cheaply once. Here is the decision tree I would hand a founder shipping their first ten thousand devices in 2026, with the Polish coverage reality that most guides get wrong.

5 min read

EMS architecture: when local control beats the cloud round trip

An EMS that round-trips every decision through the cloud is going to disappoint someone, eventually, in a way that costs real money. The right split between edge and cloud is a latency budget question, and once you frame it that way the architecture writes itself.

8 min read

MQTT at fleet scale: what a few thousand IoT devices and one bad Postgres password taught us

A misconfigured Postgres credential turned an ordinary EMQX cluster into a 50,000-connection-attempt-per-minute self-DDoS. Here is what we changed about authentication, observability, and runbook design after that night.

7 min read

IoT connectivity

This blog post is an addition to the YouTube video above. I'm describing different connectivity types that you can use

5 min read

State of the Internet of Things

What is IoT? IoT or Internet of Things is a broad term, which was coined over a decade ago by Kevin Ashton.

3 min read