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Item #:
232138073
Gravity: Offline Language Learning Voice Recognition Sensor for Micro:bit/Arduino / ESP32 - I2C & UART
88% of respondents would recommend this to a friend
Item #:
232138073
XCD 71
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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50+ bought
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Imported from USA store
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Order now and get it around Monday, October 26
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With 121 built-in commands and the ability to learn 17 custom words, this voice recognition sensor is perfect for smart projects that require flexibility and ease of use.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Voice Recognition
Utilizes advanced voice recognition technology for hands-free interaction, enhancing the user experience by allowing seamless communication in language learning without requiring a constant internet connection.
Multi-Platform Support
Compatible with Micro:bit, Arduino, and ESP32, enabling a broad range of applications for educators and hobbyists, ensuring versatility across different projects and learning environments.
I2C & UART Connectivity
Offers dual connectivity options for integration with various devices, making it easier for users to set up and expand their projects while ensuring reliable communication and performance.
Product Details
| CPU Model | Unknown |
| Connectivity Technology | I2C |
| Processor Brand | Multiple |
| Wireless Compability | Bluetooth |
| Compatible Devices | micro:bit, Arduino, ESP32 |
| Processor Count | 1 |
| Item Dimensions L x W x H | 1.93"L x 1.26"W x 1.26"H (4.9 x 3.2 x 3.2 cm) |
| Brand | DFROBOT |
| Model Name | AI Offline Language Learning Voice and Speech Recognition Module |
| Built-In Media | Built-in speaker and interface for external speaker |
| Number of Items | 1 |
| Manufacturer | DFROBOT |
| Model Number | SEN0539-EN |
| Mfr Part Number | SEN0539-EN |
| Included Components | Built-in speaker and interface for external speaker |
What's in the box
Built-in speaker and interface for external speaker
Who Should Buy?
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Language Learners
Ideal for individuals looking to practice language pronunciation and listening skills via interactive voice recognition.
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Educational Institutions
Beneficial for schools integrating technology into language learning curriculums, enhancing student engagement and learning methods.
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Developers and Hobbyists
Perfect for tech enthusiasts wanting to create innovative language learning applications using microcontrollers like Arduino or ESP32.
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Casual Users
Not suitable for users seeking a simple, ready-to-use language learning solution without technical setups or coding.
Product Description
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Customer Questions & Answers
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How to Shop Gravity: Offline Language Learning Voice Recognition Online From Ubuy?
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Is Gravity: Offline Language Learning Voice Recognition Available to Shop Online in Saint Kitts and Nevis?
Answer: Yes, at Ubuy Saint Kitts and Nevis this product is available for you to shop at a reasonable price. The Gravity: Offline Language Learning Voice Recognition is not available locally but you can trust us with our express shipping services. -
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How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
DFROBOT Single Board Computers SEN0539-EN Editorial Review
No editorial reviews found
Customer Reviews & Ratings
105 customers ratings
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5 Star
62%
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4 Star
17%
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3 Star
7%
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2 Star
6%
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1 Star
8%
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Pros
- High quality and durability
- User-friendly design
- Excellent performance
- Stylish appearance
Cons
- A bit heavier than expected.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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XCD 71
Order now and get it around Monday, October 26
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Compatible with micro:bit, Arduino Uno, and ESP32.
- 121 built-in command words for instant functionality.
- Self-learning function adds 17 custom command words.
- Operates offline, ensuring privacy and security.
- Compact design with integrated microphone and speaker.
- Fast response time for command recognition and execution.
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