Beschreibung

Product Description

Lastest ESP32 Version: REV1

2.7″ePaper board consisting of ESP32-D0WDQ6, I2S DAC MAX98357A, and one pcs I2S MEMS microphone ICS43434

Single channel, Class-D amplifier embedded DAC, MAX98357 is connected to ESP32 through I2S bus.

MEMS microphone Invensense ICS-43434 is connected to ESP32 through I2S bus.

On-board USB-UART interface (CP2102) with several glue logic for direct binary uploading.

WIFI

Bluetooth

4 MB Flash

3D ANTENNA

500mA Battery Management

LED indicator: There are 4 LEDs show the battery status in real time.

Power button: Click one time will start. Fast click 2 times will shut down.

2.7″ ePaper module 264*176 pixels, 

TFCARD

Protection: Short protection. Over charging protection. Overflowing

button changed (IO37, IO38, IO39)