Voice Assistant

31 devices

Products for voice assistant development with microphone arrays, wake-word detection, and speech recognition.

LILYGO T-Watch S3

smartwatch
LILYGO T-Watch S3

Open-source ESP32-S3 smartwatch with LoRa, 1.3" 240×240 IPS touchscreen, haptic feedback, accelerometer, speaker, microphone, IR transmitter, and 1500mAh battery. Supports Meshtastic, ESPHome, Arduino

Xtensa LX7 dual-core @ 240MHz, vector AI, hardware crypto512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$43View

LILYGO T-Watch 2020 V3

smartwatch
LILYGO T-Watch 2020 V3

Programmable ESP32 smartwatch with 1.54-inch touch IPS display, BMA423 accelerometer, PCF8563 RTC, PDM microphone, speaker, IR transmitter, and vibration motor — fully open-source and Arduino/MicroPyt

Xtensa LX6 dual-core @ 240MHz, FPU, HW crypto (AES/SHA/RSA)520KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 4.2
~$35View

LILYGO T-Embed

Dev Board
LILYGO T-Embed

ESP32-S3 all-in-one media board with 1.9-inch TFT display, rotary encoder, dual microphones, 1W speaker, 7 RGB LEDs, GROVE connector, and LiPo battery support — ideal for audio players and interactive

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector extensions, HW crypto (AES/SHA/RSA)512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$22View

LILYGO T5s 2.7 inch E-Paper

ESP32
LILYGO T5s 2.7 inch E-Paper

LILYGO T5s is an ESP32 development board with a 2.7-inch 264×176 e-paper display, onboard I2S audio (MAX98357A amplifier + ICS43434 MEMS mic), 500mA battery management, and TF card support.

Xtensa LX6 dual-core @ 240MHz520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$23View

LILYGO T-Camera Plus S3

ESP32 S3
LILYGO T-Camera Plus S3

ESP32-S3 camera development board with 8MB PSRAM, 16MB Flash, onboard microphone, MAX98357A I2S amplifier, speaker output, and choice of OV2640 or OV5640 camera sensor for audio-visual IoT application

ESP32-S3R8 Dual-core Xtensa LX7 240MHz16MBWiFi 802.11 b/g/nBLE Bluetooth 5.0 + Mesh
~$30View

LILYGO T-Bao

ESP32
LILYGO T-Bao

Dual-MCU development board combining ESP32 and KENDRYTE K210 RISC-V AI processor with OV2640 camera, 1.54" IPS touchscreen, I2S audio amplifier, motor driver, 6-axis IMU, and Wi-Fi for edge AI and rob

ESP32-D0WDQ6-V3 + K210 RISC-V Dual-Core 64-bit16MBWiFi 802.11 b/g/nBLE BLE 4.2
~$81View

M5Stack CoreS3

Dev Board
M5Stack CoreS3

Third-generation M5Stack Core with ESP32-S3 dual-core 240MHz, 2.0\" capacitive touch IPS display, GC0308 camera, dual microphones, 1W speaker, BMI270 IMU, BMM150 magnetometer, proximity sensor, RTC, 5

Xtensa LX7 dual-core @ 240MHz, FPU, AI instructions512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$73View

M5Stack Core2

Dev Board
M5Stack Core2

ESP32-based IoT dev kit with 2.0" IPS capacitive touch display, 16MB flash, 8MB PSRAM, built-in mic, speaker, IMU, vibration motor, and 390mAh battery in a compact stackable enclosure.

ESP32-D0WDQ6520KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 4.2
~$57View

M5Stack Atom Echo

Dev Board
M5Stack Atom Echo

Ultra-compact ESP32-PICO smart speaker dev kit (24x24mm) with built-in microphone, speaker, RGB LED, button, and Grove port. Ideal for voice assistant and audio streaming projects.

Dual-core Xtensa LX6 @ 240MHz4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$14View

M5Stack Atom Echo S3R

Dev Board
M5Stack Atom Echo S3R

ESP32-S3 smart speaker dev kit with ES7210 audio codec, NS4168 amplifier, dual MEMS microphones, and RGB LED. Designed for Home Assistant voice assistant, ESPHome, and audio streaming projects.

ESP32-S316MBWiFi 802.11 b/g/nBLE BLE 5.0
~$16View

Louder ESP32

Audio Board
Louder ESP32

ESP32 audio development board with TAS5805M I2S Class-D amplifier delivering 2x23W stereo output, designed for multi-room audio, network streaming, and smart home integration.

Xtensa LX6 dual-core @ 240MHz, FPU, AES/SHA hardware crypto520KB SRAM8MBWiFi 802.11 b/g/nBLE BT 4.2 + BLEEthernet Optional W5500 SPI module
~$24View

DFRobot FireBeetle 2 ESP32-P4 AI Development Kit

Dev Board
DFRobot FireBeetle 2 ESP32-P4 AI Development Kit

ESP32-P4 dual-core RISC-V AI development kit with hardware H.264 encoding at 1080p@30fps, MIPI CSI/DSI camera and display interfaces, ESP32-C6 WiFi 6 coprocessor, 32MB PSRAM, 16MB flash, PDM microphon

ESP32-P4 RISC-V dual-core @ 360MHz + LP core @ 40MHz, FPU, H.264 HW encoder, ISP768KB L2 Cache16MBWiFi 802.11ax (WiFi 6)BLE BLE 5.0
~$14View

DFRobot FireBeetle 2 ESP32-P4 AI Vision Board

Dev Board
DFRobot FireBeetle 2 ESP32-P4 AI Vision Board

ESP32-P4 dual-core RISC-V AI vision board at 360MHz with hardware H.264/JPEG encoding, MIPI CSI/DSI interfaces, ESP32-C6 WiFi 6 coprocessor, 32MB PSRAM, 16MB flash, PDM microphone, TF card slot, and 2

ESP32-P4 RISC-V dual-core @ 360MHz + LP core @ 40MHz, FPU, H.264/JPEG HW encoder, ISP, AI extensions768KB L2 Cache + 32KB LP SRAM16MBWiFi 802.11ax (WiFi 6)BLE BLE 5.0
~$12View

DFRobot UNIHIKER K10

Dev Board
DFRobot UNIHIKER K10

All-in-one AI coding board for STEM education with ESP32-S3, 2.8-inch touchscreen, 2MP camera, microphone, speaker, environmental sensors, WiFi, Bluetooth 5, and pre-loaded AI models for vision, voice

Xtensa LX7 dual-core @ 240MHz512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$29View

Waveshare RaspRover

Robot Platform
Waveshare RaspRover

Open-source 4WD AI robot with dual-controller architecture (ESP32 + Raspberry Pi), 5MP 160-degree camera, pan-tilt module, audio system, computer vision via OpenCV/MediaPipe, and ROS2 support for AI r

ESP32-WROOM-32 + Raspberry Pi 4B/5520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$175View

DFRobot ESP32-S3 AI Camera

DFRobot ESP32-S3 AI Camera

ESP32-S3 AI camera module with 2MP wide-angle night vision sensor, I2S speaker and microphone, ambient light sensor, WiFi/BLE 5.0, and edge AI inference support in a 42x42mm package.

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector extensions, HW crypto (AES/SHA/RSA)512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$19View

Waveshare ESP32-S3-CAM-OV5640

Dev Board
Waveshare ESP32-S3-CAM-OV5640

ESP32-S3 AIoT camera board with 5MP OV5640 autofocus camera, dual-microphone array with noise cancellation, ES8311 audio codec, NS4150B speaker amplifier, battery charging, and display/camera expansio

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$17View

Waveshare ESP32-S3-AUDIO-Board

Dev Board
Waveshare ESP32-S3-AUDIO-Board

ESP32-S3 AI smart speaker development board with dual-microphone array, ES8311 audio codec, 7 surround RGB LEDs, RTC, camera and LCD expansion interfaces, and LiPo battery support for voice assistant

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$16View

Khadas VIM4

Khadas VIM4

Amlogic A311D2 SBC with 8GB LPDDR4X, WiFi 6, HDMI 2.1 output + input, 3.2 TOPS NPU, and a 40-pin GPIO header — Khadas's flagship single-board computer for AI, media, and smart home applications.

ARM Cortex-A73 ×4 @ 2.2GHz + Cortex-A53 ×4 @ 2.0GHz8GB LPDDR4X @ 2016MHz32GB eMMC 5.1 + 32MB SPI FlashWiFi 802.11 a/b/g/n/ac/ax (WiFi 6), 2×2 MIMO (AP6275S)BLE Bluetooth 5.1 (AP6275S)Ethernet Gigabit Ethernet (10/100/1000M)
~$220View

Radxa Rock S0

Linux Sbc
Radxa Rock S0

Tiny Rockchip RK3308B SBC with up to 512MB DDR3, 8GB eMMC, microSD, WiFi 4, Bluetooth 5.0, and USB-C OTG — a postage-stamp Linux board for IoT and audio applications.

Rockchip RK3308B256MB / 512MB DDR34GB / 8GB eMMCWiFi WiFi 4 (802.11n)BLE BLE 5.0
~$14View

M5Stack AtomS3R

Dev Board
M5Stack AtomS3R

Ultra-compact ESP32-S3 dev board (24x24mm) with 0.85" IPS LCD, BMI270 IMU, BMM150 magnetometer, 8MB PSRAM, IR transmitter, LP5562 RGB LED driver, and Grove port for IoT and robotics.

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions, HW crypto512KB SRAM8MBWiFi 802.11 b/g/nBLE BLE 5.0
~$18View

ESP32-S3 Box

Dev Board
ESP32-S3 Box

Espressif AIoT development kit with ESP32-S3, a 2.4″ 320×240 capacitive touchscreen, dual microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, and Pmod expansion.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM16MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$50View

ESP32-S2 Kaluga Dev Kit

Dev Board
ESP32-S2 Kaluga Dev Kit

Espressif's multimedia-focused ESP32-S2 evaluation platform bundling four extension boards: audio player, capacitive touch panel, 3.2" LCD display, and camera module. Designed to showcase ESP32-S2 hum

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320KB SRAM + 2MB PSRAM4MB SPI FlashWiFi 802.11 b/g/n @ 2.4GHz (ESP32-S2 WROVER)BLE falseZigbee falseEthernet false
~$55View

ESP32-S3 Korvo 2 Audio Dev Board

Dev Board
ESP32-S3 Korvo 2 Audio Dev Board

Espressif audio and multimedia development board with ESP32-S3, dual-microphone array for far-field wake-word detection, camera support, LCD interface, microSD, and Wi-Fi + BLE.

ESP32-S3512KB SRAM16MBWiFi 802.11b/g/nBLE BLE 5.0
~$50View

Espressif ESP32-S3-BOX-3

Dev Board
Espressif ESP32-S3-BOX-3

Open-source AIoT development kit with ESP32-S3, 2.4" touchscreen, dual microphones, speaker, Wi-Fi, BLE, Matter support, 16MB flash, 16MB PSRAM, and a high-density expansion connector.

ESP32-S3512KB SRAM16MBWiFi 802.11b/g/nBLE BLE 5.0
~$50View

Espressif ESP32-S3-BOX-3B

Dev Board
Espressif ESP32-S3-BOX-3B

ESP32-S3-BOX-3 bundle kit including the AIoT dev board with 2.4" touchscreen, dual mics, speaker, plus the DOCK stand, RGB LED module, USB-C cable, and Dupont wires.

ESP32-S3512KB SRAM16MBWiFi 802.11b/g/nBLE BLE 5.0
~$48View

ESP32-S3 Box Lite

Dev Board
ESP32-S3 Box Lite

Espressif AIoT dev kit — ESP32-S3, 2.4″ 320×240 display, dual MEMS microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, Pmod expansion — the dock-free Lite sibling of the ESP32-S3 Box.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM16MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$35View

M5Stack CoreS3 Lite

Dev Board
M5Stack CoreS3 Lite

ESP32-S3 IoT controller with 2.0" capacitive touch IPS display, GC0308 camera, dual microphones, 1W speaker, BMI270 IMU, BMM150 magnetometer, proximity sensor, 200mAh battery, and Grove expansion port

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$45View

Arduino GIGA R1 WiFi

Dev Board
Arduino GIGA R1 WiFi

Arduino's most powerful board — dual-core STM32H747XI with Cortex-M7 at 480MHz + Cortex-M4 at 240MHz, 2MB flash, 1MB RAM, WiFi, Bluetooth, 76 GPIO, USB-A + USB-C, 3.5mm audio jack, camera connector, a

ARM Cortex-M7 @ 480MHzCortex-M4 @ 240MHz, FPU, DSP1MB SRAM2MBWiFi 802.11 b/g/nBLE Bluetooth 4.2, BLE
~$53View

Arduino UNO Q

sbc
Arduino UNO Q

Arduino's first Linux-capable UNO — Qualcomm Dragonwing QRB2210 quad-core Cortex-A53 + STM32U585 real-time co-processor, 2GB/4GB RAM, 16GB eMMC, WiFi 5, Bluetooth 5.1, 8×13 LED matrix, USB-C, and AI-r

ARM Cortex-A53 quad-core @ 2.0GHzCortex-M33 @ 160MHz2GB LPDDR416GB eMMCWiFi 802.11ac (WiFi 5)BLE Bluetooth 5.1, BLE
~$43View

Arduino Nicla Voice

module
Arduino Nicla Voice

Tiny 22.86mm AI voice module with nRF52840 BLE 5.0, Syntiant NDP120 neural decision processor, MEMS microphone, 6-axis IMU, and magnetometer — runs always-on voice recognition and audio anomaly detect

ARM Cortex-M4F @ 64MHzSyntiant NDP120256KB SRAM1MBBLE BLE 5.0
~$50View

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More to explore — popular traits shared by devices with Use Case: Voice Assistant.