ESP32 WROOM WiFi Bluetooth Development Board Atmel AVR it consists of a metal

it consists of a metal tip

650nm Laser Diode Module

Max 7 voice commands could work at the same time

Compact Design: The compact form factor of the sensor module allows for easy integration into your existing circuits or projects

Capable of performing to exacting specifications

ESP32 WROOM WiFi Bluetooth Development Board Atmel AVR it consists of a metalESP32 WROOM WiFi & Bluetooth Development Board The ESP32 WROOM Development Board is based on the ESP32 WROOM 32 module, featuring dual core 240MHz Xtensa LX6 processor, 802. 11 b g n WiFi, and Bluetooth 4. 2 BLE. It is the most popular IoT development board for Arduino and MicroPython projects. Key Specifications Module: ESP32 WROOM 32 Processor: Dual core Xtensa LX6 @ 240MHz Flash: 4MB SRAM: 520KB WiFi: 802. 11 b g n Bluetooth: Classic 4. 2 + BLE 30