AtomU

SKU:K117

Description

AtomU is a very compact and flexible IoT voice recognition development board, using the Espressif ESP32 main control chip, equipped with 2 low-power Xtensa® 32-bit LX6 microprocessors, with a main frequency of up to 240 MHz. It integrates a USB Type-A interface, IR transmitter, programmable LED light, and other peripherals, making it plug-and-play and convenient for program upload, download, and debugging. It integrates a Wi-Fi module and is equipped with a built-in digital microphone SPM1423 (PDM), enabling clear audio recording, suitable for various IoT human-computer interaction and voice input recognition scenarios (STT).

Features

• Low-code development:
  • Supports UIFlow graphical programming platform, scripting, no compilation, cloud push
  • Fully compatible with mainstream development platforms like Arduino, ESP32-IDF
• High integration:
  • USB-A programming/power supply interface, IR transmitter, programmable RGB light x1, button x1
  • Professionally modulated RF circuit for stable and reliable wireless communication quality.
• Strong expandability:
  • Easily integrates into M5Stack's hardware and software ecosystem

• ESP32-PICO-D4 (2.4GHz Wi-Fi)
• Integrated programmable RGB LED and button
• Compact body
• Built-in infrared transmitter
• Expandable pins and GROVE interface
• Development platforms
  • UIFlow
  • MicroPython
  • Arduino

Includes

• 1 x AtomU

Applications

• IoT controller
• Voice recording, cloud STT recognition

Specifications

Schematics

PinMap

SPM1423 - PDM

IR & SK6812 & BUTTON

HY2.0-4P

Model Size

Datasheets

• ESP32-PICO
• SPM1423

Softwares

Arduino

• AtomU STT Example

PlatformIO

[env:m5stack-atom]
platform = espressif32@6.3.2
board = m5stack-atom
framework = arduino
upload_speed = 1500000
monitor_speed = 115200
build_flags =
    -DCORE_DEBUG_LEVEL=5
lib_deps =
    M5Unified=https://github.com/m5stack/M5Unified

Video

• AtomU STT Tutorial

• STT Example