The $20 Smart Home Build an AI Video Doorbell with the ESP32-CAM - Live Video, Face Recognition, Two-Way Audio, and Home Assistant Integration with No Subscriptions and No Cloud
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- Englisch ausgewählt
24,99 €
inkl. gesetzl. MwSt.,
Beschreibung
Produktdetails
Einband
Taschenbuch
Erscheinungsdatum
22.07.2026
Verlag
Independently PublishedSeitenzahl
124
Maße (L/B/H)
27,9/21,6/0,7 cm
Gewicht
308 g
Sprache
Englisch
EAN
9798188522964
Somewhere on your street right now, a doorbell camera is uploading video of a delivery driver to a data center hundreds of miles away - and the homeowner pays monthly for the privilege. Stop paying. Start building.
Across 15 hands-on chapters, you'll build a complete AI video doorbell around a $7 camera board and about $13 more in parts - every component itemized, every assumption stated out loud. Your doorbell will:- Stream live video to any browser or phone on your network
- Detect faces on-device with a neural network drawing live bounding boxes on your stream
- Recognize your household by name - "Amara is at the door" - via a 60-line recognition server you run on any spare computer
- Ring your phone in about a second, notification led by a snapshot and the visitor's name
- Speak and listen - synthesized chime, live listen-in audio, and quick replies you trigger from anywhere
- Join your smart home - porch light after dark, spoken announcements, automatic snapshot archiving
- Power itself permanently - from your existing doorbell transformer, a battery, or the sun
- Defend and update itself - authentication everywhere, pinned certificates, VPN-only remote access, over-the-air updates
>This is not a copy-paste tutorial. All 40+ code listings are explained line by line and tested against the current toolchain (versions pinned in print - no dead APIs, no "this compiled in 2019" archaeology). Every wiring decision is justified against the board's real constraints, including the pin conflicts, boot-mode traps, and power gremlins that kill most camera-board projects. Honest limitations are stated before you hit them, safety protocols are taught where they matter, and a free companion download provides every line of source code, organized by chapter. Inside you'll learn:
- non-blocking firmware patterns and dual-core architecture
- camera drivers and streaming servers
- soldering and weatherproofing that lasts
- digital audio on a shared bus
- how neural networks actually see, and how to budget them into kilobytes
- enrollment, thresholds, and biometric privacy done respectfully
- home automation that speaks your visitors' names
- deep sleep and solar power arithmetic
- a real threat model, and security proportionate to it
- and the upgrade path to newer silicon.
Who it's for: makers, tinkerers, developers curious about embedded systems and edge AI, smart-home enthusiasts who want cameras that answer to them - anyone who can read code with guidance, follow "connect this pin to that pin," and spend one evening learning to solder. You'll finish with a working doorbell on your front door - and with the embedded-systems, networking, AI, and security skills to build whatever comes next. The parts are the tuition. The builder is the product.
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