Binho

Multi-Protocol USB Host Adapters

Multi-protocol USB host adapters that turn embedded systems testing and debugging into a one-tool workflow.

Binho set out to build the next generation of USB host adapters for embedded systems teams — tools that could replace a rack of single-protocol debuggers with one device. The goal was ambitious: support the full spectrum of protocols embedded engineers rely on daily, including the emerging MIPI I3C standard, without sacrificing the ease of use or cross-platform reliability developers expect.

Binho positions the adapters as an all-in-one solution, reflecting a vision where testing and debugging no longer require juggling multiple tools per protocol.

I3C

I2C

SPI

UART

1-Wire

CAN-FD

RS485

GPIO

What We Built

Focus developed the embedded firmware and software stack behind Binho's Multi-Protocol Host Adapters, engineering support for I3C, I2C, and SPI in both controller and peripheral modes, alongside UART, 1-Wire, CAN-FD, RS485, and GPIO. The work spanned hardware design — including qwiic 4-pin and 2x15-pin connectors — as well as the Binho Mission Control desktop app and Python/C++ SDKs. AI was leveraged to accelerate SDK architecture decisions and unify the SDK across Binho's device families. Special attention went into I3C-specific features like dynamic address assignment, In-Band Interrupts, and Hot-Join, along with voltage adjustment and seamless operation across operating systems.

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Impact

The result was a pair of USB host adapters that consolidated a full protocol toolkit into a single, developer-friendly device — now sold to first-class companies worldwide.

Advanced I3C capabilities

Dynamic addressing, In-Band Interrupts, and Hot-Join support for next-gen embedded systems.

Cross-platform tooling

Binho Mission Control desktop app plus Python and C++ SDKs for automation and device management.

Faster development cycles

Reduced code-build-test time for Binho's clients across the embedded systems industry.

This project combined hardware design, embedded firmware, and cross-platform software into a single testing and debugging solution.