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TTGO T-Energy ESP32 8MByte PSRAM WiFi Bluetooth Module 18650 Battery ESP32-WROVER-IB Development Board

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                  Hardware Specifications
                  Chipset ESPRESSIF-ESP32-WROVER 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
                  FLASH QSPI flash/SRAM, up to 32 MB
                  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

                  Package includes:

                  1 x ESP32 WROVER development board
                  2 x Pin

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