• sales

    +86-0755-88291180

2.13inch e-Paper Cloud Module User Guide

Overview

This is a 2.13inch e-Paper cloud module, 250×122 Pixels, WiFi connectivity, use ESP32 as controller.

Features

  • Incorporates ESP32, supports Arduino developing
  • No backlight, keeps displaying last content for a long time even when power down
  • Voltage detection circuit for preventing the battery from over-discharging
  • Features battery connector and recharge circuit, allows off-line running
  • Provides Android APP for refreshing the module via Bluetooth EDR, easy to use
  • Provides HTML host computer code for refreshing the module via the remote webpage, easy to be integrated into sorts of Internet applications
  • Supports Floyd-Steinberg dithering algorithm, more color combinations, better shadow rendering for the original image
  • Supports popular image formats: BMP, JPEG, GIF, PNG, etc.
  • Delivered with embedded e-Paper driver (open source)

Specifications

  • Communication: WiFi 2.4GHz, Bluetooth4.2
  • Battery: 2000mAh
  • Display color: Black, white
  • Power supply: battery
  • Full refresh time: 2s
  • Viewing angle: >170°
  • Resolution: 250x122 pixels
  • Display size:48.55 × 23.70mm
  • Outline Dimensions: 71.0 × 30.2mm
  • Dot pitch: 0.194 × 0.194mm

【Note】:
Refresh time:The data provided is experimental data, the actual time may be a little different. It is normal that the e-Paper blink when fully updating.
Power:The power data is experimental data.

Pinout

PIN (e-Paper)ESP32Description
VCCVCCPower input (3.3V)
GNDGNDGND
KEY12User button
SCK13CLK pin of SPI, clock input
DIN14MOSI pin of SPI, data input
CS15Chip select pin of SPI, Low active
BUSY25Busy pin, it indicates whether the e-Paper is busy
RST26Reset pin, Low active
DC27Data/Command control pin, Low for Command and High for Data
ADC36ADC data input, the voltage detected is the 1/3 of the battery voltage.

PS: The pins described above were connected by default, you need to operate them.

TAG: ESP32 1.54inch OLED Raspberry-Pi-GPIO-Audio-amplification-PWM-Sound-Card-Speaker-Buzzer NanoKVM-USB Quick Start Raspberry Pi Camera V1 Raspberry Pi UGV Beast ROS2 PT AI OpenCV Robot Car MediaPipe ESP32-S3 ESP32-AI Series User Guide Pi5 Fan ESP32 Thermal imaging Sipeed NanoCluster Mini Cluster Board mini data center For Raspberry Pi CM45 / Computer /LM3H /M4N BPI-M4 Berry Solar Power Manager Module (D) USB camera 5MP IMX335 No Distortion Raspberry Pi PICO Serial UART Bus Servo ST3215-HS 20KG.CM High Speed Magnetic Encoder 360° Large Torque Raspberry Pi Pico 2 RP2350B 7inch Capacitive TouchScreen 7 inch LCD Display Development Board 800×480 Bus Servo Adapter A Raspberry Pi Pico 2 RP2350 GEEK 1.14 inch LCD 240x135 65K SWD/UART/I2C For OpenOCD/CMSIS-DAP Industrial-grade isolated 4-way RS485 hub repeater One RS485 TO Four RS485 Industrial Modbus POE ETH RJ45 To Relay 30CH RTU/Modbus TCP-Ethernet For IOT