Hardware Specifications

Chipset

ESPRESSIF-ESP32-S2

FLASH

4MB

PSRAM

8MB

SRAM

520 kB SRAM

Button

Power Switch,Rest,Boot,Customize,SMD DPI Switch

External Device

TF Card

USB to TTL

CH340C

Modular interface

SD cardUARTSPII2CPWMI2SADC

On-board clock

32.768KHz crystal oscillator

Working voltage

2.7V-3.6V

Working temperature range

-40~ +85

Power Supply Specifications

Power Supply Input

USB 5V/1A

Charging current

500mA

Battery Input

3.7-4.2V

JST Connector

2Pin 1.25mm

USB

Type-C USB

Wi-Fi

Standard

FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip)

Protocol

802.11 b/g/n(802.11nspeed up to150Mbps)A-MPDU and A-MSDU polymerizationsupport 0.4S Protection interval

Frequency range

2.4GHz~2.5GHz(2400M~2483.5M)

Transmit Power

22dBm

Communication distance

300m

Display

Screen

ST7789 /1.14 Inch