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)	ESP32	Description
VCC	VCC	Power input (3.3V)
GND	GND	GND
KEY	12	User button
SCK	13	CLK pin of SPI, clock input
DIN	14	MOSI pin of SPI, data input
CS	15	Chip select pin of SPI, Low active
BUSY	25	Busy pin, it indicates whether the e-Paper is busy
RST	26	Reset pin, Low active
DC	27	Data/Command control pin, Low for Command and High for Data
ADC	36	ADC 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.

Document

Demo codes

ESP32 Examples

ESP32 Resources

ESP32 Resouces

Driver

CP2102 Driver

To：

Dear Customers, There may be a lag of several hours before we could process your order, depending on the time difference between your location and ours. Sincerely hoping your understanding!

Email(support)

services01@spotpear.com

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Price：

$26.89

Model：

2.13inch-e-Paper-Cloud-Module

2.13inch E Paper Cloud Module, 250×122, WiFi Connectivity 2.13 inch ePaper display screen

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