TTGO T-Journal ESP32 Camera Module Development Board OV2640 SMA Wifi 3dbi Antenna 0.91 OLED smart home development board | Электроника

TTGO T-Journal Camera Module Development Board OV2640 SMA Wifi Smart Home Development Board

Hardware Specifications Chipset ESPRESSIF-ESP32-PCIO-D4 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor FLASH QSPI flash/SRAM, up to 4 x 16 MB SRAM 520 kB SRAM KEY reset,IO32 dispaly 0.91 SSD1306 Power indicator lamp red USB to TTL CP2104 Camera OV2640 2Megapixel Steering engine analog servo on-board clock 40MHz crystal oscillator working voltage 2.3V-3.6V working current about 160mA working temperature range -40° ~ +85° size 64.57mm*23.98mm Power Supply Specifications Power Supply USB 5V/1A charging current 1A battery 3.7V lithium battery WIFI 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 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 -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