M5Stack Atom Lite ESP32 IoT Development Kit is the compact IoT development kit in the M5Stack IoT development kit series. With a small footprint of just 24*24mm, this IoT development kit offers plenty of GPIOs for user customisation, making it perfect for embedded smart home devices and the creation of smart toys.
M5Stack Atom Lite ESP32 IoT Development Kit is powered by the ESP32-PICO chip, which integrates Wi-Fi technologies and includes 4MB of SPI Flash memory. This provides seamless connectivity and plenty of memory for your applications.
The board features an infrared LED, RGB LED, buttons and a HY2.0 interface, allowing for versatile interaction and connectivity options. In addition, Atom Lite can be easily connected to external sensors and actuators via its 6 GPIOs, extending its capabilities for various projects.
With its on-board Type-C USB interface, M5Stack Atom Lite ESP32 enables fast programme upload and execution, streamlining the development process. M5Stack Atom Lite ESP32 is the perfect choice for developers looking for a compact and powerful development board for creating embedded smart home devices and smart toys. With its rich feature set and customisable GPIOs, Atom Lite opens up endless possibilities for innovation and creativity in the IoT space.
Features
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ESP32-based
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RGB LED(SK6812)
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Programmable button
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Built-in Infra-red
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Extendable Pins & Holes
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Program Platform:
- Ultra-Compact Design (24mm x 24mm): Fits anywhere—drones, wearables, even LEGO builds.
- Built-in Infrared (IR) Transmitter: Control TVs, AC units, or DIY smart home gadgets.
- USB-C Power/Programming: Modern connectivity with fast uploads.
- UIFlow Support: Drag-and-drop coding for beginners, with advanced options for pros.
- Expandable Ecosystem: Snap on M5Stack’s motion sensors, cameras, or LoRa modules.
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Why I Recommend M5Stack ATOM Lite for IoT Projects
Comparing ATOM Lite, ATOM Matrix, and ATOM Echo
Include
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1x ATOM Lite
Applications
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Internet of things terminal controller
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IoT node
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Wearable peripherals
Specification
| Resources | Parameter |
|---|---|
| ESP32 | 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi |
| Flash | 4MB |
| Power Input | 5V @ 500mA |
| Port | TypeC x 1, GROVE(I2C+I/0+UART) x 1 |
| PIN Port | G19, G21,G22,G23,G25, G33 |
| RGB LED | SK6812 3535 x 1 |
| IR | Infrared transmission |
| Button | Custom button x 1 |
| Antenna | 2.4G 3D Antenna |
| Operating Temperature | 0°C to 60°C |
| Net weight | 3g |
| Gross weight | 12g |
| Product Size | 24*24*10mm |
| Package Size | 43*43*13mm |
| Case Material | Plastic ( PC ) |
Model Size
What is M5Stack ATOM Lite ESP32 IoT M5 Development Kit
Tinkerers, makers, and IoT enthusiasts—meet your new favorite toolkit. The M5Stack ATOM Lite ESP32 packs the muscle of an ESP32 microcontroller into a device smaller than a matchbox, redefining what’s possible in compact, connected projects. Whether you’re prototyping a smart sensor, building wearable tech, or automating your home, this vibrant little cube is your gateway to IoT innovation.
Tech Specs That Matter
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Core: ESP32-D0WDQ6 (240MHz dual-core, 520KB SRAM).
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Wireless: Wi-Fi 802.11 b/g/n + Bluetooth 4.2 (BR/EDR + BLE).
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GPIO: 6 pins (supports I2C, UART, PWM).
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LEDs: 25x SK6812 (individually addressable RGB).
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Power: 5V via USB-C or 3.7V LiPo battery (JST-PH2.0 port).
Out-of-the-Box Experience
- Unbox & Plug In: USB-C powers it up instantly.
- Code in Minutes: Use Arduino IDE or UIFlow’s block-based editor.
- Expand: Add M5Stack’s environmental sensors, GPS, or speakers.