Project built in partnership with Gizmo Engineering
The Need
Baby monitors usually fall into two camps: expensive home systems tied to a fixed base station, or apps that require two phones. The client asked for a third option — a small, light, affordable camera that clips onto a stroller, a crib, or any surface and streams live video and audio directly to the parent's phone, with no infrastructure and no installation.
The Engineering Solution
At the heart of the product is a microcontroller with built-in Wi-Fi, a camera, and a microphone, developed around a principle of minimal production cost. The system works in two modes: as a standalone access point — the camera creates its own network and any authorized phone connects to it even outdoors, with no infrastructure at all — or as a client on an existing home network. A tiny e-ink display shows a QR code for instant pairing, and the video stream is viewed in a browser or in a dedicated app developed for both iPhone and Android, including a floating window that stays on screen while other apps are in use — the product-companion approach we describe in our app development resources. A rechargeable battery delivers hours of continuous streaming, backed by careful power management — bread-and-butter electronics development.
From Electronics to a Shelf-Ready Product
Industrial design carried real weight here: a rounded, soft-looking enclosure in three colors, a magnetic mount paired with a hook-and-loop strap that fits any handle diameter, and a plastic housing engineered for injection molding — see our overview of industrial design. Prototypes were 3D printed and walked through every stage of electronic prototyping, from a commercial development board to a compact custom board. On the way to the final mount we also evaluated clips and snap closures, but only the magnet-plus-strap combination allowed one-handed attachment to handles of different thicknesses — from a slim stroller bar to a crib rail — without giving up a secure grip on the move.
The Lesson
In consumer connected products, the spec sheet is only half the game. The three-second QR-code pairing is what turns technology into a product a tired parent will actually use.
Building a consumer device that has to just work? Contact the Projects House team and let's make it effortless.




