TTGO T-Energy 8MByte PSRAM ESP32-WROVER-B WiFi Bluetooth modul fejlesztő kártya SD998

TTGO T-Energy 8MByte PSRAM ESP32-WROVER-B WiFi Bluetooth Module Development Board SD998
Description:
Specfication:
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
Size: 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 0.4S 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 
Package Includes:
1 x WiFi Bluetooth Module 
2 x Pins