An exercise on sensor-telemetry

An exercise worth doing on sensor-telemetry.

8,000 rows, 8 columns, one row per sensor reading. Eight thousand readings from twelve machines across three sites, at ten-minute intervals, with drift, seasonal temperature, injected anomalies, and gaps where a gateway dropped offline.

Every dataset here is synthetic, which is a deliberate trade. It costs realism and buys three things: we can ship it CC0 with no licence trap, we can bake in the exact quirk a lesson needs, and nobody's real records end up in a tutorial.

Something to try: Separate glitch spikes from genuine excursions. The SQL playground has it loaded already, and the data explorer will profile every column in one pass if you would rather look before you query.

select *
from sensor_telemetry
limit 20;

The file is generated from a fixed seed, so the CSV you download today is byte-identical to the one from last year. That matters more than it sounds: it means a lesson can say "row 412 is the interesting one" and still be right in eighteen months.

Download it, break it, keep it. CC0 — no attribution required, no account, no email.