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:
yagaga TTGO T-Energy 8MByte PSRAM ESP32-WROVER-B WiFi Bluetooth Module Development Board
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:
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