
Espressif ESP32-S3-Korvo-1 Development Board AI Voice Recognition Speech Processing Evaluation Kit
Why you'll like it
- AI Voice Control — Built on the ESP-Skainet speech recognition SDK for reliable offline wake-up and command processing
- Far-Field Audio — Integrated three-microphone array sub-board enables clear voice capture from a distance
- High Performance — Powered by a dual-core Xtensa LX7 microcontroller with 16 MB Flash and 8 MB PSRAM
- Flexible Connectivity — Features 2.4 GHz Wi-Fi and Bluetooth 5 LE alongside multiple expansion and audio interfaces
Product details
Description
The Espressif ESP32-S3-Korvo-1 Development Board is an advanced AI evaluation platform designed for developers building smart, voice-controlled home automation and edge audio applications. Powered by the dual-core ESP32-S3 system-on-chip with integrated Wi-Fi and Bluetooth Low Energy, this board features a dedicated 3-microphone sub-board array optimized for far-field voice pick-up.
It leverages Espressif's ESP-Skainet speech recognition software development kit to support offline voice wake-up and command recognition in multiple languages without requiring cloud connectivity. Equipped with 16 MB of Flash memory, 8 MB of PSRAM, an ES8311 audio codec, and an onboard speaker terminal, it offers a robust hardware pipeline for custom smart plugs, smart switches, and interactive audio appliances.
Ideal for engineers and hobbyists looking to implement localized voice control and AI vector extensions right out of the box.
How to use
- Connect the main board to your computer using a Micro-USB cable for power and UART communication.
- Set up the ESP-IDF development environment and download the ESP-Skainet SDK to configure and flash your custom offline voice recognition code or audio applications.
Ingredients
Dual-core ESP32-S3 SoC, 16 MB Flash memory, 8 MB PSRAM, ES8311 audio codec chip, 3-microphone array sub-board
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Espressif |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
Are you planning to use offline voice commands or cloud integration?
The ESP32-S3-Korvo-1 board is specifically optimized for local offline speech recognition using the ESP-Skainet SDK, allowing wake-up and command execution without mandatory cloud connectivity, though network integration can be configured via Wi-Fi.
What audio peripherals are included on the development board?
The board features a dual-board FPC design consisting of a main board and a 3-microphone sub-board for far-field pickup, supported by an ES8311 audio codec, an audio amplifier, and an external speaker connection block.
What programming frameworks are compatible with this board?
The development board is fully compatible with Espressif's official ESP-IDF framework as well as the Arduino IDE environment, providing flexibility for different developer workflows.
Are these authentic USA-imported development boards available on Dropy India?
Yes, Dropy India sources 100% authentic USA-imported tech components and developer boards directly from verified suppliers, ensuring you receive genuine manufacturer-grade hardware.
What memory configuration does the ESP32-S3-Korvo-1 feature?
This evaluation kit is equipped with 16 MB of Flash memory and 8 MB of PSRAM to handle complex speech models and onboard audio processing tasks efficiently.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.