Espressif ESP-VoCat

The ESP-VoCat is an AI voice interaction development kit built around the ESP32-S3 combining wireless connectivity a circular touchscreen microphone array speaker and battery support into a compact platform for developing voice-enabled and AI-powered devices. The ESP-VoCat is designed for applications such as AI assistants smart speakers interactive toys desktop robots and smart home controllers and supports offline voice wake-up sound source localization and cloud-based AI services.Hardware and Processing CapabilitiesThe ESP-VoCat's main controller uses the Espressif ESP32-S3-WROOM-1-N16R16VA module delivering 2.4 GHz WiFi and Bluetooth 5 (LE) for seamless connectivity. Espressif has included 16MB of PSRAM and 16MB of Flash storage to handle the comprehensive voice interaction and multimedia processing. It's also equipped with a microSD card slot that supports up to 32GB of expandable memory that can provide you with plenty of space for local audio files and configuration data!ESP-VoCat is InteractiveEven the hardware on the ESP-VoCat integrates several specialized input and output features. These help provide an intuitive user experience for smart home interfaces and its own interactive capabilities:Responsive Interface: A 1.85-inch circular QSPI touchscreen with a 360 x 360 resolution provides a surprising amount of color.Motion Sensing: An onboard IMU and touch sensor track movement orientation and tactile responses.Advanced Audio Input: A dual-microphone array enables local offline voice wake-up with accurate sound-source localization.Built-In Output: An integrated 3W speaker delivers clear audio responses directly from the device.Power and ExpansionPowering your AI hardware is straightforward with compatibility for both 5V DC via the USB-C interface and portable 3.7V lithium batteries. A reserved PogoPin interface enables convenient functional expansion for developers looking to build custom integrations. Finally Espressif provides ESP-Brookesia software support and examples for developing AI interaction applications including integrations with services such as OpenAI Gemini and Xiaozhi AI.