Domain Arrivals
You’re viewing the 2026-08-11 issue, not the current issue. Go to the current issue: 2026-08-14

Featured in Domain Arrivals · 2026-08-11

B2OP Hub: an open-source LEGO motor brain

b2op.com ↗ · Developer Corner · score 84.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

B2OP Hub is a custom ESP32-S3 controller for LEGO Powered Up hardware, programmable in MicroPython.

Why it surfaced

This personal project can drive motors and read sensors across four LEGO ports, emulate an official hub, control other hubs, and expose I²C and LCD expansion. Its docs, web code browser, and reusable C++ and Python protocol libraries make it more than a gadget page: it is a compact, unusually specific piece of open hardware infrastructure.

Read the complete issue Visit the observed site ↗

Continue into the edition

Lunch Through the Bee Veil

August 11’s newborn domains include a bee veil with a lockable lunch flap, a book designed to unfold over ten years, a Colombian missing-person and aid board, and a brick studio made by a dad and his 10-year-old co-founder.

This is one of 1,000 discoveries in the 2026-08-11 Domain Arrivals issue.

Explore the complete issue Browse Developer Corner

More from Developer Corner

Three more arrivals

Vilanel: a game engine built from scratch vilanel.com

Vilanel is a C++ 3D game engine for Vulkan, with its own renderer, dockable editor, node graph, physics, animation, audio, and asset pipeline.

 Vishal Tharu’s Security Portfolio cyberrex.dev

A security engineer’s working portfolio, spanning a self-hosted SIEM, CTF platforms, browser-based teaching tools, and smaller technical experiments.

 quplane: results with their own proof quplane.com

A proof-carrying optimization platform that gates solvers against reference implementations and returns results with status, diagnostics, certificates, and provenance.