Hardware

Specifications



Chipset

ESPRESSIF-ESP32-WROVER 240MHz Xtensa® dual-core 32-bit LX6 microprocessor



FLASH

QSPI 4MB  Flash / 8MB  PSRAM



SRAM 

520 kB SRAM



KEY

Reset, BOOT



Switch

BAT switch



Power indicator lamp

Red



USB to TTL

CP2104



Modular  interface

SD card, UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor 

touch sensor, ADC, DACLNA  pre-amplifier




On-board clock

40MHz crystal oscillator 



Working voltage

2.3V-3.6V



Working current

about 40mA



Sleep current

1mA



Working temperature range

-40 ~ +85



Size

91.10mm*32.75mm*19.90mm



Power Supply

Specifications



Power Supply

USB 5V/1A



Charging current

1000mA



Battery

3.7V lithium battery



Wi-Fi

Description



Standard

FCC/CE/TELEC/KCC/SRRC/NCC



protocol

802.11 b/g/n/e/i (802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerizationsupport 0.4μS Protection interval



Frequency range

2.4GHz~2.5GHz(2400M~2483.5M)



Transmit Power

22dBm



Communication distance

300m



bluetooth

Description



Protocol

Meet bluetooth v4.2BR/EDR and BLE standard



Radio frequency

With -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH



Audio frequency

CVSD&SBC audio frequency



Software specification

Description



Wifi Mode

Station/SoftAP/SoftAP+Station/P2P



Security mechanism

WPA/WPA2/WPA2-Enterprise/WPS



Encryption Type 

AES/RSA/ECC/SHA



Firmware upgrade

UART download/OTA(Through network/host to download and write firmware)



Software Development

Support cloud server development /SDK for user firmware development



Networking protocol

IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT



User Configuration

AT + Instruction set, cloud server, android/iOSapp



OS

FreeRTOS





>>>Schematic: Click here to open<<<



Package includes:




1 x ESP32 WROVER development board


2 x Pin