Hardware Specifications

Chipset

ESP32-WROVER-B/E(B and E are shipped randomly)

FLASH

16M

PSRAM

8MB

SRAM

520 kB SRAM

Button

PWR Power Switch,Reset

USB to TTL

CH9102F

On-board clock

40MHz crystal oscillator

Peripherals

SIM Nano Card Slot,Mini PCIE Card Slot

Antenna

Onboard antenna(Default)

Working voltage

2.7V-3.6V

Working current

–

Sleep current

About 700uA

Working temperature range

-40℃ ~ +85℃

Size

75*33*10.5mm

Weight

14.5g

Power Supply Specifications

Power Supply Input

USB 5V/1A

Charging current

500mA

Battery Input

3.7-4.2V

Charge IC

AXP192

JST Connector

2Pin 2.0mm

USB

Type-C