Feature: Hardware Specifications Description Chipset ESPRESSIF-ESP32 240MHz dual-core 32-bit LX6 microprocessor FLASH QSPI flash 4MB SRAM 520 kB SRAM Button Reset USB to TTL CP2104 Interface UART,SPI,SDIO,I2C,LED PWM,TV PWM,I2S,IRGPIO,ADC,capacitor touch sensor,DACLNA pre-amplifier Display IPS ST7789V 1.14 Inch Working voltage 2.7V-4.2V Working current About 60MA Sleep current About 120uA Working temperature range -40C-+85°C Size amp; Weight 51.52 x 25.04 x 8.54mm(7.81g) Power Supply Description Power Supply USB 5V/1A Charging current 500mA Battery 3.7V lithium battery JST Connector 2Pin 1.25mm USB Type-C Wi-Fi Description Protocol 802.11 b/g/n (802.11n,speed up to 150Mbps) A-MPDU and A-MSDU polymerization,support 0.4us Protection interval Frequency range 2.4GH2-2.5GHz(2400M-2483.5M) Transmit Power 22dBm Communication distance 300m Bluetooth Description Protocol Support bluetooth V4.2BR/EDR and BLE standard Radio frequency With -97dBm sensitivity NZIF receiver Class-1,Cl ass-2 amp; Class-3 emitter AFH Audio frequency CVSDamp;SBC audio frequency Software 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 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 Development board with pins 1 x Battery cable
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