In-Depth Looks at Our Most Demanding Builds

Where the blog covers general lessons, these go deep on a single product: the engineering decisions, the architecture, and why it was built the way it was.

Access Control · Custom Hardware

Reinventing Access Control with KeeLess and KeeChain

How we built a complete access control ecosystem in-house, from the controller hardware and communication protocol up through the mobile apps and digital wallet layer.

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Web App · Privacy-First

Building Everly QR: A QR Generator With No Server in the Loop

Why we built a QR code generator that runs entirely in the browser, with no signup, no expiry, and none of the subscription hostage problems dynamic codes create.

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Hardware Engineering · Custom PCB

Engineering KeeLess: From Prototype to Industrial Access Control Platform

From ESP dev boards and breadboard prototypes to custom industrial PCBs with integrated power conversion. The hardware engineering story behind KeeLess.

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