TTGO T-Energy ESP32 ESP32-WROVER-B Board with 4MB Flash 8MB PSRAM

FLASH: QSPI 4MB Flash / 8MB PSRAM 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 touchsensor, 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 degC 91.10mm x 32.75mm x 19.90mm Power Supply Specifications: 　 Power Supply: USB 5V/1A Charging current: 1000mA Battery: 3.7V 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 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 amp;Class-3 emitter AFH Audio frequency: CVSD amp;SBC audio frequency Included: 1 x WiFi Bluetooth Module 2 x Pins tidak sama baterai