M5Stack AtomU ESP32 Development Kit with USB-A

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SKU: rz24313901 Category: Development Board/Kit

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(I2S) for the clear sound record. suitable for HMI, Speech-to-Text (STT).

Features:

1. Low Code development
2. High integration
3. ATOM U supports UIFlow graphical programming platform
4. ATOM U contains a USB-A port for programming/power supply
5. Strong expandability
6. ATOM U is easy access to M5Stack’s hardware and software system
7. ESP32-PICO-D4 (2.4GHz Wi-Fi dual mode)
8. Integrated programmable RGB LED and button
9. Compact design
10. Built-in IR emitter
11. Expandable pinout and GROVE port
12. Development platform:
  - UIFlow
  - MicroPython
  - Arduino

Packages Includes:

1 x M5Stack Atom U ESP32 Development Kit with USB-A

Additional information

Brand	M5 Stack
Product Type	Development kit with USB
ESP32-PICO-D4	240MHz dual core , 600 DMIPS , 520KB SRAM , 2.4G Wi-Fi
Microphone	SPM1423
Microphone sensitivity	94dB SPL@1KHz Typical value: -22dBFS
Standby working current	40.4mA
Microphone signal-to-noise ratio	94dB SPL@1KHz , A-weighted Typical value: 61.4dB
Frequency Range	100Hz ~ 10KHz
Support PDM clock frequency	1.0 ~ 3.25MHz
Weight (g)	8.4g
Product Dimension	52 x 20 x 10mm

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Shipping & Delivery

Shipping and Delivery Policy

1. Shipping Process:

Orders are processed within 1-2 business days after payment confirmation.
Delivery time varies based on location and selected shipping method, typically ranging between 3-7 business days.
We partner with trusted courier services to ensure timely and safe delivery.

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Shipping charges are calculated at checkout based on the delivery location and package weight.
Free shipping may be available for orders above a specified amount, as mentioned on our website.

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5. Delivery Issues:

If a package is delayed, lost, or damaged during transit, please contact our support team immediately.
Claims for lost or damaged items must be reported within 48 hours of delivery.

6. No Return Policy for Opened/Soldered Products:

We do not accept returns for products that have been opened, used, or soldered.
Ensure you verify product compatibility before purchase, as returns will only be accepted for unopened and unused items in their original packaging.

7. Refund Policy:

Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.

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Storage	Support boot from SD Card( Capacity can be chosen from 32GB~256GB) Support boot from SSD hard disk driver(Capacity can be chosen from 120GB~1TB
Multimedia	8-megapixel camera (Optional ) 2 channel 1W stereo speakers 1-channel MEMS microphone Support headphone jack and external microphone 1 standard HDMI 4K high-definition output interface 1 channel Micro HDMI 4K high-definition output interface
Network and wireless	1 channel 10/100/1000M Ethernet 2.4G/5.8G dual-band WiFi , compatible with IEEE 802.11 b/g/n/ac Bluetooth BLE5.0 1 official Raspberry Pi external antenna 4G/LTE version optional (non-SSD hard disk version)
Interface	2 channels USB3.0 1 channel way USB2.0
Other	One-click switch turns on/off the system with power & status LED indication RTC built-in with a backup battery
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USB Host	Type-A x 1 , 2.54 mm pin x 2
Debug Serial Port/UART0	4Pin , 2.54 mm pitch pin header
MicroUSB	OTG , for power input
GPIO	2.54mm pitch 36pin. It includes UART , SPI , I2C , IO etc
PCB Dimension	40 x 40 mm
Power	DC 5V/2A
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GPU	Mali-T864 GPU，supports OpenGL ES1.1/2.0/3.0/3.1 , OpenCL , DX11 , and AFBC
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PMU Power Management	RK808-D PMIC , cooperated with independent DC/DC , enabling DVFS , software power-down , RTC wake-up , system sleep mode
USB Host	Two USB 3.0 Type-A ports
Debug Serial Port/UART0	One Debug UART , 3 Pin 2.54mm header , 3V level , 1500000bps
MicroSD Slot	1
GPIO	2×5-pin header: SPI x 1 , I2C x 1
4-pin header	USB 2.0
LED	1 x power LED and 3 x GPIO Controlled LED (SYS , LAN , WAN)
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