SKU:K117
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:
HIGH INTEGRATION:
STRONG EXPANDABILITY:
Specifications | 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 |
Net weight | 8.4g |
Gross weight | 10.6g |
Product size | 52 * 20 * 10mm |
Packing size | 114 * 64 * 22mm |
M5Stack
or USB Serial
. Windows recommends using the driver file to install directly in the device manager (custom Update), the executable file installation method may not work properly).
Click here to download FTDI driver
ATOM U | G5 | G19 | 3.3V | GND |
---|---|---|---|---|
SPM1423 | MIC_CLK | MIC_DATA | VCC | GND |
ATOM U | G12 | G27 | G39 |
---|---|---|---|
IR | TX | / | / |
SK6812 | / | DIN | / |
BUTTON | / | / | SW |
ATOM U | G26 | G32 | 5V | GND |
---|---|---|---|---|
PORT-A | SDA | SCL | VCC | GND |
ATOM U STT Tutorial
STT Example