Description
TTGO T-Energy ESP32 8MByte PSRAM WiFi & Bluetooth Module 18650 Battery ESP32-WROVER-B Development Board
product qualitybrand new
Hardware Specifications
Chipset
ESPRESSIF-ESP32-WROVER-B 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
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
-40ºC ~ +85ºC
size
91.10mm*32.75mm*19.90mm
Power Supply Specifications
Power Supply
USB 5V/1A
charging current
1000mA
battery
3.7V lithium battery
Wi-Fi
Description
Standard
FCC/CE/TELEC/KCC/SRRC/NCC(esp32 chip)
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