M5Stack Atom U Speech Recognition Development Board Programmable IoT Controller ESP32

$27.99
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  Shipping: Free Airmail 
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    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
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    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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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 Bluetooth and digital microphone SPM1423(I2S) for the clear sound record. suitable for HMI, Speech-to-Text (STT ).

LOW-CODE DEVELOPMENT:
ATOM U supports UIFlow graphical programming platform, scripting-free, cloud push; Fully compatible with Arduin0, MicroPython, ESP32-IDF, and other mainstream development platforms, to quickly build various applications.

HIGH INTEGRATION:
ATOM U contains a USB-A port for programming/power supply, IR emitter, programmable RGB LED x1, button x1; Finely tuned RF circuit, providing stable and reliable wireless communication.

STRONG EXPANDABILITY:
ATOM U is easy access to M5Stack’s hardware and software system

Product Features:

ESP32-PICO-D4 (2.4GHz Wi-Fi and Bluetooth dual mode)
Integrated programmable RGB LED and button
Compact design
Built-in IR emitter
Expandable pinout and GROVE port
Development platform:

Package included:

1 x ATOM U

Application:

IoT controller
Voice recording, Speech-to-Text services

Driver Installation:

Connect the device to the PC, open the device manager to install FTDI driver for the device. Take the win10 environment as an example, download the driver file that matches the operating system, unzip it, and install it through the device manager. (Note : In some system environments, the driver needs to be installed twice for the driver to take effect. The unrecognized device name is usually 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

Specification:

ESP32-PICO-D4: 240MHz dual core, 600 DMIPS, 520KB SRAM, 2.4G Wi-Fi, dual mode Bluetooth
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 x 20 x 10mm
Packing size: 68 x 21 x 11mm

PinMap

SPM1423 – I2S

ATOM U

G5

G19

3.3V

GND

SPM1423

MIC_CLK

MIC_DATA

VCC

GND


IR & SK6812 & BUTTON

ATOM U

G12

G27

G39

IR

TX

/

/

SK6812

/

DIN

/

BUTTON

/

/

SW


HY2.0-4P

ATOM U

G26

G32

5V

GND

PORT-A

SDA

SCL

VCC

GND


Schematic



Related Links
Datasheet

Example
Arduin0

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