M5Stack Atom Lite ESP32 IoT Development Kit – Tiny Board, Big Possibilities The M5Stack Atom Lite is the ultra-compact member of the M5Stack IoT development series—measuring just 24×24mm! Despite its tiny footprint, it packs a punch with plenty of GPIOs for customization, making it ideal for: Embedded smart home devices DIY smart toys Creative IoT experiments Powered by ESP32-PICO At its core is the ESP32-PICO chip, integrating: Wi-Fi connectivity 4MB SPI Flash memory Seamless data handling for your applications Rich Interaction Features The board includes: RGB LED Infrared LED Buttons HY2.0 interface Plus, with 6 GPIOs, you can easily connect external sensors and actuators for expanded functionality. Type-C USB for Fast Development Upload and execute programs quickly via the on-board USB Type-C interface—streamlining your workflow and boosting productivity. Why Choose Atom Lite? Compact yet powerful Developer-friendly Versatile for smart home, wearables, and IoT prototyping Endless room for creativity and innovation Whether you're building a smart lamp, a connected pet feeder, or a mini robot, Atom Lite is your go-to board for compact brilliance. Features ESP32-based RGB LED(SK6812) Programmable button Built-in Infra-red Extendable Pins & Holes Program Platform: Arduino UIFlow 2.0 UIFlow 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. Recommended Articles Why I Recommend M5Stack ATOM Lite for IoT Projects Comparing ATOM Lite, ATOM Matrix, and ATOM Echo Include 1x ATOM Lite Applications Internet of things terminal controller IoT node 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 Core: ESP32-D0WDQ6 (240MHz dual-core, 520KB SRAM). Wireless: Wi-Fi 802.11 b/g/n + Bluetooth 4.2 (BR/EDR + BLE). GPIO: 6 pins (supports I2C, UART, PWM). LEDs: 25x SK6812 (individually addressable RGB). 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.
