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Questions tagged [e-ink]

30 questions
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Adafruit MagTag: Dither a jpg from placekitten.com and display on MagTag

Pimoroni has an example that grabs a jpg online and displays it on one of their Inky e-ink displays. I am wondering if it is possible to do the same thing with an Adafruit MagTag using CircuitPython. In the latest version of CircuitPython, there are…
Enrico Trujillo
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Cannot connect to the reMarkable web interface anymore

usually I can connect via a USB cable from my MacBook to my reMarkable tablet. Therefore, I have to enter http://10.11.99.1 in a web browser. I was using this type of connection for a long time but after re-installing my Mac from scratch I cannot…
jos
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How to render a PDF to a 4-bit greyscale image using Ghostscript

I am building an e-ink-based auto-refreshing "newspaper" as wall decoration for my home. The e-ink panel I'm using supports 4-bit greyscale, i.e. 16 different levels of grey. I am preparing the contents using LaTeX and would like to rasterize it to…
FlowSone
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Is it possible to pass data between MicroPython and C++ in ESP32?

We are working on a prototype using the ESP32-DevKitC-VE and e-paper. The e-paper manufacturer provided C++ sample programs for Arduino and we were able to get the ESP32-DevKitC-VE and e-paper to work as expected. We want to generate the data to be…
Ganessa
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How to have a calendar show a week out of the month then the next week appears? This is for a e-paper display using google calendars

We are trying to show a calendar on a e-ink display linked to a google calendar. We can get the whole month to display, but we want just one week to display at a time and when the week ends, it will change the week that has passed to the following…
anglewf
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Arduino eInk Image2LCD - Size of c-array

This Image2LCD software (https://www.buydisplay.com/default/image2lcd) converts images to c-arrays. I want to write this basic operation myself, but I dont understand why the software outputs an array of length 5000 for an input image of size…
Julian
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read String data to an arduino from a header file (waveshare Eink)

Geetings, Im trying to read String files to an arduino from a header file (.h). Its compiling fine but i cant call the string. When I serial print the string only gibberish shows up on the monitor. This is my arduino Code: #include…
LuigiKraken
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ESP8266 Driver for waveshare 2.9 e ink

I'm looking for a driver for the E-Ink display from waveshare I can find drivers for Arduino and Raspberry-PI. Is there also a driver for ESP8266. Currently, I'm trying to understand the Arduino driver and create an own driver for the ESP8266, but…
Simon Ludwig
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Writing software for E-Book Reader Devices

Can you please recommend any E-Book Reader which can execute a third-party software, so that anybody can create software for such device?
psihodelia
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enlarge QRCode display on epaper

Can someone please help me rewrite this code to make the QRcode to use the whole display size (200x200)? I'm using this display: https://www.waveshare.com/1.54inch-e-paper-module.htm Here is the libary which I use to create the…
luegm.dev
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Is there an e-paper library for micropython to change the font displayed on my e-paper?

I'm using a 2.7 pico e-paper hooked up to a raspberry pi pico, along with a DS3231 RTC so it can display the time. I'm able to display time using the sample code provided on the waveshare page for the pico e-paper, but there's no option within the…
JustTryingToLearnPlease
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arduino code ESP32 displays crypto prices - rounding decimals depeding on the price

I'm playing with an ESP32 connected to an E-Paper display. I'm using a code already developed. The code displays the current price for some cryptos I have selected and other info coming from other portions of the code. For this part of the code, I…
Marco
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E-ink project start up

I am starting on my E-ink project, but I got stuck. This is the connection diagram I made based on the three components. An SD card module, an E-ink screen module (screen not visible now), and the Arduino uno. modules and connections : I know that…
Casper Tak
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I have no idea driving EPD display

I am trying to drive EPD(ED060SD1) using STM32F429ZGT, and got datasheet from display vendor. But there is no specific explanation of how to drive EPD display or details of pin. So I want to know what those pin does.. and any hint how to run this…
Heeyos
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Arduino static progmem cannot be accessed via variables

I cannot reference a 3d array of bytes stored in memory via variables letter[18][0]=letters[L][18][0]; letter[18][1]=letters[L][18][1]; letter[19][0]=letters[L][19][0]; letter[19][1]=letters[L][19][1]; for(int i = 20;i<32;i++){ static…
liam
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