Mini32 Esp32-Wrover-B Psram Wi-Fi Bluetooth Module Development Board for Ttgo T7 V1.4

• Usage: Server
• Type: Wireless
• Support Network: Ethernet
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: ESP32-WROVER-B PSRAM
• Information content: Data
• Condition: New
• Transport Package: PP Bag
• Trademark: Sunhokey
• Origin: China
• Production Capacity: 100000
• Package Size: 5.00cm * 5.00cm * 5.00cm
• Package Gross Weight: 0.100kg

Product Description

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	-40ºC ~ +85ºC
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