Aktronics ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Module with Usb Cable for Arduino IDE Electronic Components Electronic Hobby Kit

ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, and power management module. >The entire solution takes up the least amount of printed circuit board area. >This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm. >Low power technology, power and RF properties best, which is safe, reliable, and scalable to a variety of applications.