AtomS3U
描述
AtomS3U是一款U盘形态的ESP32-S3多功能开发板, 采用乐鑫ESP32S3主控芯片，双核Xtensa LX7处理器，主频240MHz，自带WiFi功能。其接口包括USB-A接口(支持OTG)，1个Grove口，6Pin@2.54mm排母（含4个GPIO）；外设包括1个PDM麦克风，1个红外发射管，1个可编程RGB-LED。该产品可用于物联网人机交互、语音输入/识别(STT)、IO控制等场景。
产品特性
- ESP32-S3FN8@240Mhz,Xtensa LX7,WIFI,OTG\CDC
- 集成可编程RGB LED与按键
- 内置红外发射器
- 可扩展的引脚与GROVE接口
- 开发平台: MicroPython,Arduino
包含
- 1x AtomS3U
应用
- 物联网控制器
- 语音录制、云端STT识别
规格参数
| 规格 | 参数 |
|---|---|
| MCU | ESP32-S3FN8@Xtensa LX7,WIFI,OTG,CDC |
| 麦克风 | SPM1423 |
| 接口 | USB-A |
| Grove 接口 | PORTA |
| 2.54-6P 接口 | GND/VIN_5V/G14/G17/G42/G40 |
| 麦克风灵敏度 | 94dB SPL@1KHz 典型值:-22dBFS |
| 麦克风信噪比 | 94dB SPL@1KHz,A加权 典型值:61.4dB |
| 支持输入声音频率 | 100Hz ~ 10KHz |
| 支持PDM时钟频率 | 1.0 ~ 3.25MHz |
| RGB灯 | WS2812 |
| 产品尺寸 | 52 * 20 * 10mm |
| 包装尺寸 | 68 * 21 * 11mm |
| 产品重量 | 8.4g |
| 包装重量 | 10.6g |
管脚映射
- SPM1423 - PDM
| ATOM S3U | G38 | G39 | 3.3V | GND |
|---|---|---|---|---|
| SPM1423 | MIC_CLK | MIC_DATA | VCC | GND |
- IR & WS2812 & BUTTON
| ATOM S3U | G12 | G35 | G41 |
|---|---|---|---|
| IR | TX | / | / |
| WS2812 | / | DIN | / |
| BUTTON | / | / | SW |
- HY2.0-4P
| ATOM S3U | G1 | G2 | 5V | GND |
|---|---|---|---|---|
| PORT-A(红) | SCL | SDA | VCC | GND |
| PORT-B(黑) | DAC | ADC | VCC | GND |
| PORT-C(蓝) | RX | TX | VCC | GND |
- Ext Port-2.54 6P
| ATOM S3U | GND | VIN_5V | G14 | G17 | G42 | G40 |
|---|
相关链接
原理图
尺寸图
例程
Arduino
项目案例
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