TTGO T-Energy ESP32-WROVER 4MB Flash 8MByte PSRAM 18650 Battery WiFi Bluetooth Module

Specifications

• Chipset : ESP32-WROVER
• 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 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℃

Note: Battery Note Included