7.5inch e-Paper HAT

7.5inch e-Paper raw Panel 640x384, 7.5inch E-Ink raw panel without driver board

7.5inch e-paper HAT 640x384, 7.5inch E-Ink display HAT for Raspberry Pi, SPI interface

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Primary Attribute Category: OLEDs / LCDs, LCD {{{userDefinedInfo}}}: {{{userdefinedvalue}}} Brand: Waveshare

Website English: Waveshare website Chinese: 官方中文站点

Onboard Interfaces SPI

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Introduction

Note: The raw panel require a driver board, If you are the first time use this e-Paper, we recommend you to buy the HAT version or buy more one driver hat for easy use, otherwise you need to make the driver board yourself.And this instruction is based on the HAT version.

640x384, 7.5inch E-Ink display HAT for Raspberry Pi, SPI interface

More

Resources

Documentation

• User Manual
• Instruction about make new font
• Schematic

Demo code

• Demo code

Datasheets

• Datasheet

Related applications (shared by user)

• Task List using Raspberry Pi 3 and 7.5" E-paper Display
• E-Paper Calendar with iCal sync and live weather

FAQ

Question: 1. Why the e-Paper cant work with Arduino?

Answer: The I/O level of Arduino is 5V, and the e-Paper should be driven with 3V3. If your Arduino cant drive the e-Paper successfully, please try to convert the level to 3.3V You can also try to connect the Vcc pin to the 5V of Arduino to see whether the e-Paper works, but we recommend you not to use 5V for a long time.

Question: 2. Why does the color of e-Paper look a little black or grey?

Answer: You can try to change the value of Vcom on demo codes.

Question: 3. Three-color e-paper looks more red/yellow than the picture on website?

Answer: Because of different batch, some of them have aberration. Store the e-Paper right side up will reduce it. And if the e-Paper didn't be refreshed for long time, it will become more and more red/yellow. Please use the demo code to refresh the e-paper for several times in this case.

Question: 3. Why my e-paper has ghosting problem after working for some days

Answer: Please set the e-paper to sleep mode or disconnect it if you needn't refresh the e-paper but need to power on your development board or Raspberry Pi for long time.Otherwise, the voltage of panel keeps high and it will damage the panel

Question: 4. Why the FPC of the e-Paper is broken after using for some times?

Answer: Please make sure you have used it in correct way.

Support

Contact your seller (fast response and most recommended) or send emails to [email protected] (not fast enough but please be patient) for help. Our working time: 09:00-18:00 (UTC+8 Monday to Saturday)