TTGO Mini32 ESP32-WROVER-B PSRAM Wi-Fi

Hardware Specifications

Chipset

ESPRESSIF-WROVER-B 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor

FLASH

QSPI flash 4MB / PSRAM  8MB

SRAM 

520 kB SRAM

Button

reset

Power indicator lamp

red

USB to TTL

CP2104

Modular interface

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

2.7V-3.6V

Working current

about 30mA

Sleep current

10uA

Working temperature range

-40℃ ~ +85℃

Size&weight

40.27mm*31.07mm*8.13mm(6.42g)

Power Supply Specifications

Power Supply

USB 5V/1A

Charging current

500mA

Battery

3.7V lithium battery

Wi-Fi 

Description

Standard

FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC

Protocol

802.11 b/g/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 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 -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH

Audio frequency

CVSD&SBC audio frequency

Software specification

Description

Wi-Fi 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