M5Stack ATOM Lite ESP32 Development Kit
M5Stack ATOM Lite ESP32 Development Kit - Image 2
M5Stack ATOM Lite ESP32 Development Kit - Image 3
M5Stack ATOM Lite ESP32 Development Kit - Image 4
M5Stack ATOM Lite ESP32 Development Kit - Image 5
SKU: IOWC-1428
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M5Stack ATOM Lite ESP32 Development Kit

₹1,029.00 (Inclusive of all taxes)
Out of Stock

The M5Stack ATOM Lite is an ultra-compact ESP32-PICO-based development board featuring Wi-Fi & Bluetooth, a programmable RGB LED, IR transmitter, and multiple GPIOs, ideal for Arduino IDE and UIFlow programming in space-constrained IoT projects.

Features

  • Powered by ESP32-PICO SoC with 240MHz dual-core processor, 4MB flash, and integrated Wi-Fi & Bluetooth for robust wireless connectivity.
  • Ultra-compact 24x24mm footprint with 6 user GPIOs and a Grove-compatible I2C/I/O/UART port for sensor and actuator expansion.
  • Integrated programmable RGB LED (WS2812B), IR LED, and tactile button for direct user interface and control applications.
  • USB Type-C interface for easy programming, debugging, and 5V power supply, supporting rapid firmware uploads.
  • Compatible with Arduino IDE and M5Stack’s UIFlow graphical programming environment for rapid IoT prototyping.

Out of stock

Description

The M5Stack ATOM Lite ESP32 Development Kit is a highly integrated, miniature IoT node built around the Espressif ESP32-PICO-D4 system-in-package. This board consolidates a dual-core 240MHz processor, 4MB of SPI flash memory, and 2.4GHz Wi-Fi with Bluetooth 4.2 BR/EDR and BLE into a 24mm x 24mm form factor, making it one of the smallest full-featured ESP32 development platforms available.

Designed for embedded smart home devices, wearable peripherals, and compact sensor nodes, the ATOM Lite provides six accessible GPIO pins (G19, G21, G22, G23, G25, G33) alongside a versatile Grove port supporting I2C, digital I/O, and UART protocols. The on-board WS2812B addressable RGB LED and infrared transmitter enable immediate development of user feedback and remote control systems without external components.

Power is supplied via the USB Type-C connector at 5V, with the board operating efficiently for low-power IoT applications. Its structure is built for durability and ease of integration into end products, supported by comprehensive software frameworks including the Arduino core for ESP32 and M5Stack’s block-based UIFlow platform.

Key Features

  • Ultra-Compact ESP32-PICO Design: Integrates Wi-Fi, Bluetooth, processor, and flash into a single SiP for minimal footprint and high reliability.
  • Multi-Protocol Grove Expansion Port: Provides a standardized connector for I2C, digital I/O, and UART communication with hundreds of compatible sensors and actuators.
  • Integrated User Interface Elements: Features a programmable RGB LED (WS2812B) for visual feedback, an infrared LED for remote control, and a tactile button for user input.
  • Dual Software Development Support: Fully compatible with the Arduino IDE using the ESP32 core and M5Stack's visual UIFlow platform for drag-and-drop programming.
  • Robust Power & Connectivity: Powered via USB Type-C for convenient 5V operation, programming, and serial communication.
  • Maker-Friendly Form Factor: Includes mounting holes and a small size ideal for embedding into final products, toys, or wearable devices.

Applications

  • Internet of Things terminal controllers and compact sensor nodes for smart home automation.
  • Wearable electronic peripherals and interactive smart toys due to its tiny size and integrated UI.
  • Embedded control units for DIY projects requiring wireless connectivity (Wi-Fi/Bluetooth) in a minimal footprint.
  • Prototyping platform for IR remote control systems and devices with addressable LED indicators.

Technical Specifications

Microcontroller/SoCESP32-PICO-D4 (240MHz dual-core, 600 DMIPS)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR & BLE
Flash Memory4 MB Integrated SPI Flash
SRAM520 KB
Supply Voltage5 VDC (via USB Type-C)
Operating Current~500 mA (typical)
InterfacesUSB Type-C x1, Grove (I2C+I/O+UART) x1
GPIO Pins6 (G19, G21, G22, G23, G25, G33)
On-board PeripheralsWS2812B RGB LED x1, IR LED x1, Programmable Button x1
Operating Temperature0°C to 40°C
Dimensions24 mm x 24 mm (L x W)
Weight12 g

Frequently Asked Questions

How do I program the M5Stack ATOM Lite ESP32 board?

You can program the ATOM Lite using the Arduino IDE or M5Stack's UIFlow. For Arduino, install the ESP32 board package via the Boards Manager, then select 'M5Stack-ATOM' as your target. For UIFlow, connect via USB, use the M5Burner tool to flash the UIFlow firmware, and then develop visually in the web-based editor. The USB Type-C port is used for both power and serial communication during code upload and debugging.

What is the purpose of the Grove port on the ATOM Lite and what can I connect?

The Grove port on the ATOM Lite provides a convenient 4-pin connector supporting I2C, digital I/O, and UART protocols. You can connect a wide range of Grove ecosystem sensors (like temperature, humidity, light) and actuators without soldering. Simply match the port's pinout (GND, VCC, SDA/IO, SCL/RX) to your module's cable. This simplifies prototyping and allows rapid expansion of your project's capabilities using plug-and-play modules.

Can the ATOM Lite be powered and used in a battery-operated project?

Yes, the ATOM Lite can be used in battery-operated projects. While it is typically powered via the 5V USB Type-C port, you can supply 5V to the board's VIN pin (accessible via the Grove port or GPIO) from a suitable battery source like a LiPo with a regulator. To maximize battery life, utilize the ESP32's deep sleep modes via Arduino or ESP-IDF, which drastically reduce the operating current from hundreds of milliamps to microamps when idle.

How do I control the onboard RGB LED and IR transmitter?

The RGB LED is an addressable WS2812B. Control it using libraries like FastLED or the M5Stack library, addressing it as a single NeoPixel on its designated GPIO pin. The IR LED can be used with the IRremoteESP8266 library to transmit NEC or other IR codes for controlling TVs and appliances. Example code is provided in the M5Stack GitHub repositories. The programmable button is connected to a GPIO and can be read digitally for user input events.

Package Includes

  • 1 x M5Stack ATOM Lite ESP32 Development Board

Additional Information

Weight 0.012 kg
Dimensions 2.4 × 2.4 cm

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