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:
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 x 20 x 10mm |
Package Size | 114 x 64 x 22mm |
Product Weight | 8.4g |
Package Weight | 10.6g |
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 |
[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