TTGO Mini32 ESP32-WROVER-B PSRAM Wi-Fi

• Chipset: ESPRESSIF-WROVER-B 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
• FLASH: QSPI flash 4MB
• PSRAM: 8MB
• SRAM: 520 kB
• Button: reset
• Power indicator lamp: red
• USB to TTL: CP2104
• Modular interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IR, GPIO, capacitor touch sensor, ADC, DAC, LNA pre-amplifier
• On-board clock: 40MHz crystal oscillator
• Working voltage: 2.7V-3.6V
• Working current: approximately 30mA
• Sleep current: 10μA
• Working temperature range: -40℃ ~ +85℃
• Size & weight: 40.27mm x 31.07mm x 8.13mm (6.42g)
• Power Supply: USB 5V/1A
• Charging current: 500mA
• Battery: 3.7V lithium battery
• Wi-Fi Protocol: 802.11 b/g/n (802.11n, speed up to 150Mbps)
• Frequency range: 2.4GHz ~ 2.5GHz (2400M ~ 2483.5M)
• Transmit Power: 22dBm
• Communication distance: 300m
• Bluetooth Protocol: bluetooth v4.2 BR/EDR and BLE standard
• Radio frequency: with -97dBm sensitivity NZIF receiver
• Audio frequency: CVSD & SBC audio frequency
• 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
• 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/iOS app
• Operating System: FreeRTOS