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What is bridge?

cmaglie/bridge — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2016-08-25

★ 1C++Audience · developerComplexity · 3/5DormantLicenseSetup · moderate

In one sentence

An Arduino Yun library that lets the board's microcontroller and Linux processor communicate so they can coordinate real-time and networked tasks.

Mindmap

mindmap
  root((bridge))
    Inputs
      Sensor readings
      Serial messages
    Outputs
      Cross-chip communication
      Synced data between processors
    Use Cases
      Log sensor data to the cloud
      Run a web interface from sensor input
      Coordinate real-time and Linux tasks
    Tech Stack
      C++
      Arduino Yun
      ATmega32U4
      AR9331 Linux

Code map

Detail Auto

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filefunction / class

What do people build with it?

USE CASE 1

Read temperature sensor data on the microcontroller side while logging it to the cloud via the Linux side.

USE CASE 2

Run a web interface on the Yun's Linux processor that displays real-time sensor readings from the microcontroller.

USE CASE 3

Coordinate real-time motor control on the microcontroller with networked commands from the Linux side.

USE CASE 4

Send messages back and forth between the two Yun processors without handling serial communication manually.

What is it built with?

C++Arduino YunATmega32U4AR9331

How does it compare?

cmaglie/bridgeallentdan/shape_based_matchingbenagastov/bindweb-nim-wasm-compiler
Stars111
LanguageC++C++C++
Last pushed2016-08-252019-03-01—
MaintenanceDormantDormant—
Setup difficultymoderatemoderateeasy
Complexity3/53/55/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 1h+

Requires an Arduino Yun board with both its microcontroller and Linux processor configured.

Free to use and modify, as long as you follow the LGPL's terms for linking and sharing changes.

Copy-paste prompts

Prompt 1
Write Arduino Yun code using the Bridge library to send a sensor reading from the microcontroller to the Linux side.
Prompt 2
Show me how to use Bridge to log temperature sensor data from the Yun to a cloud service.
Prompt 3
Explain how the Bridge library's serial communication works between the ATmega32U4 and AR9331 chips.
Prompt 4
Build a simple web interface on the Arduino Yun's Linux side that displays data received via Bridge from the microcontroller.

Frequently asked questions

What is bridge?

An Arduino Yun library that lets the board's microcontroller and Linux processor communicate so they can coordinate real-time and networked tasks.

What language is bridge written in?

Mainly C++. The stack also includes C++, Arduino Yun, ATmega32U4.

Is bridge actively maintained?

Dormant — no commits in 2+ years (last push 2016-08-25).

What license does bridge use?

Free to use and modify, as long as you follow the LGPL's terms for linking and sharing changes.

How hard is bridge to set up?

Setup difficulty is rated moderate, with roughly 1h+ to a first successful run.

Who is bridge for?

Mainly developer.

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