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LD3320 Voice Recognition Module, Nonspecific Human Speech Voice Development Board for Voice Interaction Sound Control Smart Home

Brand: DONGKER
  • It Is A Voice Recognition Module. It Can Achieve Voice Recognition, Voice Control, and Human-machine Dialogue Functions in Electronic Products.
  • Dynamically Editable Recognition Keyword List: Simply Transfer the Recognized Keywords Into the Chip in String Form, Which Can Take Effect immediately in the next Recognition.
  • Non Specific Person Speech Recognition Technology: No User Recording Training Is Required.
  • Support Users To Freely Edit 50 Keywords: At the same Time, A Maximum of 50 Key Words Can Be Identified. End Users Can Edit and Update the Content of These 50 Key Words At Any Time According to the Needs of the Scene.
  • SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Contact Us.We Will Provide After-sales Service Until You Are Satisfied.
Brand: DONGKER
Manufacturer: DONGKER
Part Number: LV8L8QB
Isin: IXSRV35I35FC

$30.31

  • Free shipping in US
  • Arrives:

  • Free 30-Day returns

In Stock

Sold by , Fulfilled by IBSPOT
Ships from USA

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LD3320 Voice Recognition Module, Nonspecific Human Speech Voice Development Board for Voice Interaction Sound Control Smart Home

LD3320 Voice Recognition Module, Nonspecific Human Speech Voice Development B...

$30.31

Feature:

1>. High accuracy and practical speech recognition effect.

2>. Non specific person speech recognition technology: No user recording training is required.

3>. Dynamically editable recognition keyword list: Simply transfer the recognized keywords into the chip in string form, which can take effect immediately in the next recognition.

Parameter:

1>.Working voltage: 5V/3.3V.

2>.Communication interface: SPI communication interface.

3>.Identifying keywords: Supports simultaneous recognition of 50 keywords.

4>.Equipped with a microcontroller: No.

5>.Source crystal oscillator: Equipped with a 20M active crystal oscillator and a high gain microphone, the recognition effect is very good.

6>.Simultaneously introducing audio interface for external convenience such as microphone and earphones.

7>.Spacing pin interface: 2.54mm.

8>.Other interfaces that are not commonly used: 2.54mm pinhole lead out.

9>.Power saving mode current: 1uA.

10>.Size: 57* 23mm.

Note:

1>.It is necessary to use a 3.3V level microcontroller for driving.

2>.The keywords are written in the microcontroller program, and users can freely change and update them.

Application:

1>. Electromagnetic oven/microwave oven/smart home appliance operation, navigator, vending machine, MP3/MP4, digital picture frame, smart toy/dialogue toy, PMP/game console.

2>. Set top box/color TV remote control, subway ticket vending machine, tour guide machine, public lighting system/health system/voice control for building TV advertising on demand/smart home.

package List:

1x Voice Recognition Module.

 

Processing Time

  • We process and ship orders Monday through Friday, excluding holidays.
  • Most orders are processed within 1–3 business days, depending on product availability.
  • Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.

Shipping Coverage

We currently ship to addresses within the United States only.

Products may ship from:

  • Our U.S. warehouses, or
  • Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).

Each product page clearly displays the “Ships From” location before checkout.


Shipping Methods & Estimated Delivery

 

Shipping Method Estimated Delivery Cost
Free Shipping (US) 5–10 business days Free, available on eligible items
Standard Shipping (US to US by Item) 5–10 business days $6.50 for the first item, $2.00 each additional
Standard Shipping (From US Warehouse by Weight) 3–7 business days Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb.
Extended Delivery (Ships from Overseas Warehouse) 10–20 business days $14.50 for the first item, $2.00 each additional

Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.

Free Shipping

We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout. 


Carriers

We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.


Import Duties & Taxes

All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.


Tracking & Notifications

Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.

You can track your shipment anytime using the Track Your Order page on our website.


Order Changes & Cancellations

If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.

Contact: support@ibspot.com


Item Not Received

If your tracking number shows “Delivered” but you haven’t received your package:

  1. Check with your local USPS or UPS office.
  2. Confirm that the shipping address provided was correct.
  3. If the issue remains unresolved, contact support@ibspot.com for assistance.

Damaged or Lost Parcels

If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.


Customer Support

For any questions about shipping, tracking, or delivery, our customer support team is here to help.

Email: support@ibspot.com

We’re always happy to help.

Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.


Order Cancellation Policy

Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.

How to Request a Cancellation

You can contact us through:

Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.


Return Policy

We accept returns for most items within 30 days of delivery for a full refund.

To be eligible for a return:

  • The item must be unused, in the same condition as received, and in its original packaging.
  • A tracking number must be provided to confirm the return shipment.

Non-Returnable Items

Certain products cannot be returned, including:

  • Perishable goods (for example, food, flowers, newspapers, magazines)
  • Intimate or sanitary goods
  • Hazardous materials or flammable liquids/gases
  • Gift cards
  • Downloadable software
  • Some health and personal care items

Partial Refunds (If Applicable)

Partial refunds may be granted in specific situations, such as:

  • Books with obvious signs of use
  • Opened CDs, DVDs, software, or vinyl records
  • Items not in their original condition, damaged, or missing parts not due to our error
  • Items returned more than 30 days after delivery

How to Return an Item

To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.


Shipping Cost for Returns

Please contact us before returning any item.
We will provide a free return shipping label.

If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.

For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.


Refund Processing

Once your return is received and inspected:

  • In-store returns are refunded to the original form of payment or issued as a gift card.
  • Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.

Please allow:

  • 5–7 business days for the return to reach our Returns Center.
  • An additional 3–10 business days for your bank to post the refund to your account.

Damages, Issues & Claims

Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.

Product Claims

Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.


Exchanges

We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.


Return Address

IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States


Customer Support

Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.

Email: support@ibspot.com
Contact Form: Contact Us page

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