Blog

Guides, tutorials & notes.

Setup walkthroughs, camera-specific tutorials, and why keeping your footage yours matters.

Feed, Dash, Push — where each Calyston alert goes

Every Calyston alert rule has three switches — feed, dash, push — plus a zone and a cooldown. Here's exactly what each one does, and how to combine them so you see everything without being buzzed by anything.

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Get camera alerts on your phone, three ways — Telegram, ntfy or Discord

Calyston pushes detection alerts — with the snapshot — straight to your phone through Telegram, ntfy or a Discord channel. No vendor cloud, no monthly fee, no app lock-in. Here's the five-minute setup for each.

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Remote access in ten minutes: Calyston + Tailscale, step by step

The hands-on guide to reaching your cameras from anywhere — install Tailscale on the Calyston box and your phone, join the same private network, done. No port forwarding, no vendor relay, free for personal use on every Calyston tier.

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Your cameras become sensors for your whole home — Calyston + Home Assistant

Point Calyston at your MQTT broker — four fields, no YAML — and every camera shows up in Home Assistant as a device with motion, person, vehicle and animal sensors. Here's what appears, what you can build with it, and exactly how it works.

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16 to 32 cameras with full AI — on an €80 used graphics card

Most AI camera systems push you to buy special hardware. Calyston runs its AI on the CPU you already have — and when you want more cameras or a sharper model, a cheap second-hand GPU does the rest. We measured it on an €80 GTX 1060. Here are the real numbers.

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A second check before anything on your NVR changes

Logging in once and then having full power over a system forever is how most software works — and it's a problem the moment someone else is at the keyboard. Here's how Calyston re-asks before destructive actions, and how you recover if you ever forget the password.

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What Calyston's AI actually detects — the object list, explained

Calyston has two layers of AI. A fast object detector that recognizes a fixed set of things — people, vehicles, animals — and a natural-language search that finds anything you can describe. Here's exactly what each one knows.

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Watch your cameras from anywhere — without opening a port or trusting a cloud

Remote access usually means either punching a hole in your firewall or handing your video to someone else's cloud. Calyston takes a third path — a private, encrypted tunnel straight to your own box.

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Which cameras work with Calyston (and which don't)

A plain-English buyer's guide to camera compatibility for a self-hosted NVR — what to look for, what to avoid, and why cloud-locked cameras never work locally.

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Why your camera footage should stay on your own machine

Most camera systems quietly ship your video to someone else's cloud. Here is why a self-hosted NVR keeps you in control — and what to look for.

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