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.

2. Shipping Charges:

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.

3. Order Tracking:

Once your order is shipped, you will receive a tracking ID via email or SMS to monitor the shipment status.

4. Delivery Address:

Please provide a complete and accurate delivery address to avoid delays.
We are not responsible for delivery failures due to incorrect or incomplete address details provided by the customer.

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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Memory	8GB LPDDR4-3200 SDRAM
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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Wireless communication	1 x 2.4G/5.8G WiFi compatible with IEEE 802.11 b/g/n/ac standard 1 x Bluetooth 5.0 BLE WiFi/BLE external antenna and PCB antenna are optional
Storage	1 x microSD card holder (used to expand user data storage) Extensible interface: 1 x Raspberry Pi standard 40-pin connector 1 x Raspberry Pi standard 4-pin POE connector
Operating temperature	-25~60°C
Software Environment	Raspberry Pi Raspbian OS installed
Dimension (L x W x H) mm	103 x 62 x 21.5
Others	1 x RTC with a backup battery 1 x Red LED power indicator , 1 x Green LED status indication 1 x system reset button 1 x buzzer

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Wired interface	1 x 10/100M/1000 Ethernet 2 x USB2.0 (external) 1 x Micro USB2.0 (Inside the case , for programming)
Wireless communication	1 x 4G/LTE module 1 x 2.4G/5.8G WiFi compatible with IEEE 802.11 b/g/n/ac standard 1 x Bluetooth 5.0 BLE Official Raspberry Pi WiFi/BLE external antenna
Storage	1 x microSD card holder (used to expand user data storage)
Expansion interface	1 x Mini PCI-e socket for PCIe Gen2 x1
Power supply	12~18V DC voltage range input 5.5/2.5mm DC Jack or Phoenix terminal connector optional
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DDR4 RAM	1GB
Network	Internal 10/100/1000M Ethernet Port x 1 USB3.0 converted 10/100/1000M Ethernet Port x 1
USB Host	USB 2.0 Host x1: USB Type A
USB-C x1	Power input(5V/2A) and Slave
Debug Serial Port/UART0	3.3V TTL , 3-pin 2.54mm pitch connector Buttons User button x 1
MicroSD Slot	1
LED	3
PCB Dimension	55.6 x 52mm
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
NPU	4K VP9 and 4K 10bits H265/H264 60fps decoding , Dual VOP , etc
DDR3 RAM	1GB DDR3/4GB LPDDR4
Storage	No Onboard eMMC
Network	One Native Gigabit Ethernet , and one PCIe Gigabit Ethernet
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)
PCB Dimension	8 Layer , 66 mm x 66 mm
Power	DC 5V/3A , via USB-C connector or Pin header
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Storage	NC/8GB/16GB/32GB eMMC
USB Host	3(included in 2.54mm pitch pin header)
Audio input/output Port	4Pin , included in 2.54mm pitch pin header
Debug Serial Port/UART0	4Pin , included in 2.54mm pitch pin header
MicroSD Slot	1
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