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.

Features:

• High performance-price ratio;
  
• Small volume,easily embeded to other products;
  
• Strong function with support LWIP protocol,Freertos;
  
• Suppporting three modes: AP, STA, and AP+STA;
  
• Supporting Lua program, easily to develop.

Specifications:

• ESP32-WROOM-32 contains two low-power Xtensa 32-bit LX6 microprocessors
• 448 KBytes ROM for booting and core functions
• 520 KBytes on-chip SRAM
• 8 KBytes SRAM in RTC SLOW
• 8 KBytes SRAM in RTC FAST
• 1 Kbit of EFUSE, 256 bits MAC
• WiFi: 802.11 b/g/n/d/e/i/k/r (802.11n up to 150 Mbps)
• Bluetooth v4.2 BR/EDR and BLE specification
• Wi-Fi mode Station/softAP/SoftAP+station/P2P
• Security WPA/WPA2/WPA2-Enterprise/WPS
• Encryption AES/RSA/ECC/SHA
• IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
• Interfaces: SD-card, UART,SPI,SDIO,I2C,LED PWM,Motor PWM,I2S ,IR,GPIO, capacitive touch sensor, ADC, DAC, Hall sensor, temperature sensor
• Operating temperature -40 + 85C
• Operating voltate: 2.2-3.6V
• Consumption: 80 mA typ
• Dimensions: 18 mm(L) x 25.5 mm(W) x 2.8 mm(H)
• Pin pitch:1.27mm
• Shielding can height: 2 mm
• PCB tickness: 0.8±0.1mm