ATOM U
SKU:K117
Description
ATOM U is a compact low-power consumption speech recognition IoT development kit. It adopts an ESP32 chipset, equipped with 2 low-power Xtensa 32-bit LX6 microprocessors with the main frequency of up to 240MHz. Built-in USB-A interface, IR emitter, programmable RGB LED. Plug-and-play, easy to upload and download programs. Integrated Wi-Fi and digital microphone SPM1423(PDM) for the clear sound record. suitable for HMI, Speech-to-Text (STT).
LOW-CODE DEVELOPMENT:
- ATOM U supports UIFlow graphical programming platform, scripting-free, cloud push; Fully compatible with Arduino, MicroPython, ESP32-IDF, and other mainstream development platforms, to quickly build various applications.
HIGH INTEGRATION:
- ATOM U contains a USB-A port for programming/power supply, IR emitter, programmable RGB LED x1, button x1; Finely tuned RF circuit, providing stable and reliable wireless communication.
STRONG EXPANDABILITY:
- ATOM U is easy access to M5Stack's hardware and software system
Features
- ESP32-PICO-D4 (2.4GHz Wi-Fi dual mode)
- Integrated programmable RGB LED and button
- Compact design
- Built-in IR emitter
- Expandable pinout and GROVE port
- Development platform: - UIFlow - MicroPython - Arduino
Includes
- 1x ATOM U
Applications
- IoT controller
- Voice recording, Speech-to-Text services
Specification
| Resources | Parameters |
|---|---|
| ESP32-PICO-D4 | 240MHz dual core, 600 DMIPS, 520KB SRAM, 2.4G Wi-Fi |
| Microphone | SPM1423 |
| Microphone sensitivity | 94dB SPL@1KHz Typical value: -22dBFS |
| Microphone signal-to-noise ratio | 94dB SPL@1KHz, A-weighted Typical value: 61.4dB |
| Standby working current | 40.4mA |
| Support input sound frequency | 100Hz ~ 10KHz |
| Support PDM clock frequency | 1.0 ~ 3.25MHz |
| Product Size | 52 * 20 * 10mm |
| Package Size | 114 * 64 * 22mm |
| Product Weight | 8.4g |
| Package Weight | 10.6g |
Related Link
Schematic
PinMap
SPM1423 - PDM
IR & SK6812 & BUTTON
HY2.0-4P
Model Size
Examples
Arduino
Video
- ATOM U STT Tutorial
- STT Example