nathankellenicki

nathankellenicki / node-smartplay

Public

A JavaScript/TypeScript module for LEGO Smart Play BLE devices

14
0
100% credibility
Found Mar 08, 2026 at 13 stars -- GitGems finds repos before they trend. Get early access to the next one.
Sign Up Free
AI Analysis
TypeScript
AI Summary

A JavaScript module for discovering nearby LEGO Smart Play Bluetooth devices like the Smart Brick and controlling basic functions such as volume and battery checks.

How It Works

1
🔍 Find the tool

You hear about a simple tool that lets you control your LEGO Smart Brick toy from your computer using Bluetooth.

2
📥 Get it ready

You download and set up the tool on your computer so it's ready to use.

3
🔄 Start looking

You tell the tool to search for nearby LEGO Smart Brick toys over Bluetooth.

4
✨ Spot your toy

The tool finds your Smart Brick and shows you its name, battery level, and current volume.

5
🔗 Connect and check

You connect to the toy and get all its details like model, firmware, and power status.

6
🎛️ Make changes

You easily adjust the volume to low, medium, or high, or even give it a new name, and see it respond right away.

✅ Toy under control

Your LEGO Smart Brick is now fully controllable from your computer, with updates on battery and more as you play.

Sign up to see the full architecture

5 more

Sign Up Free

Star Growth

See how this repo grew from 13 to 14 stars Sign Up Free
Repurpose This Repo

Repurpose is a Pro feature

Generate ready-to-use prompts for X threads, LinkedIn posts, blog posts, YouTube scripts, and more -- with full repo context baked in.

Unlock Repurpose
AI-Generated Review

What is node-smartplay?

node-smartplay is a TypeScript/JavaScript module for Node.js that discovers and controls LEGO Smart Play BLE devices, like the audio-equipped Smart Brick. It scans for nearby devices, connects over Bluetooth Low Energy, reads battery levels, volume, firmware, and MAC addresses, and lets you set volume presets or rename devices. As a JavaScript/TypeScript module, it solves integrating these toys into custom Node apps without manual BLE protocol reverse engineering.

Why is it gaining traction?

It offers a clean API with events for battery and volume changes, plus scanning and device management that just works on Node 18+ via noble BLE bindings. Detailed reverse-engineering notes cover protocols and hardware, appealing to BLE hackers beyond basic control. Low barrier for JavaScript/TypeScript imports means quick prototypes for LEGO automations.

Who should use this?

Node.js developers building IoT controllers for LEGO Smart Play setups, like automated volume adjusters or battery monitors in interactive exhibits. Hardware tinkerers prototyping BLE apps with LEGO devices in JavaScript/TypeScript environments. BLE enthusiasts exploring toy protocols without starting from scratch.

Verdict

Worth trying for LEGO BLE basics—reliable unauthenticated control with strong docs, despite low maturity (10 stars, 1.0% credibility score). Hold off for production until auth and more devices land; test on docked bricks first.

(178 words)

Sign up to read the full AI review Sign Up Free

Similar repos coming soon.