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🚀 Tiny Dev Kit, Massive Smart Home Impact
The Official ATOMS3 Lite ESP32S3 Dev Kit is a compact, ultra-versatile development board powered by the ESP32-S3FN8 chip with 8MB SPI Flash and built-in 3D antenna. Measuring just 24×24×9.5mm, it integrates an IR transmitter and RGB LED for wireless control and status indication. With flexible GPIO expansion and USB Type-C connectivity, it supports multiple programming platforms, making it ideal for seamless IoT device integration and smart home automation.






| Customer Reviews | 4.7 out of 5 stars 15 Reviews |
R**E
Perfect Bluetooth Proxy for Home Assistant!
I purchased the M5Stack ATOMS3 Lite to address a frustrating issue where my smart water timers kept disconnecting from Home Assistant. I initially ran into a bit of trouble getting the drivers to cooperate on my main desktop, but after switching to my laptop, the installation went perfectly. I set up two of these as Bluetooth proxy devices, and the difference is night and day—I now have flawless, reliable communication with my timers. If you are looking for a compact, powerful solution to extend your Bluetooth mesh or solve connectivity gaps in your smart home, these little dev kits are fantastic. Highly recommended for any ESPHome or Home Assistant enthusiast!
D**S
Cool little piece of kit.
Cool little piece of kit.
T**Y
Works like it should and still working]
Preloaded with Home Assistant talk, flashed a few things extra and still working
R**D
Great for Home Assistant
Great little ESP32 home computer! I flashed it to work with my Home Assistant instance and run my heat pump water heater. I also have another running my mini split AC system. Hard to beat the flexibility and value. Unit is barely larger than a quarter/half dollar. WiFi and Bluetooth. Easy to power and use.
A**.
Simple ESP32 building blocks
Super easy to use Lego like building for electronics. I’m using them ESPHome with YamBMS. All sorts of options for adding on to this base unit. I like these since they’re no bare boards and I don’t need to come up with my own case.
Trustpilot
1 day ago
1 month ago