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New Cinwrite SPI HAT for IT8951 parallel epaper controllers
At the moment only available in Tindie Fasani Corporation store this PCB mission is to provide: This Cinwrite PCB is open source Hardware that you can explore and even adapt to your needs. The price is 45 USD since I only made 5 and otherwise it will be impossible to cover the costs. But it…
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Testing Pine64 Quartz model A board
The Quartz64 Model A is powered by a Rockchip RK3566 quad-core ARM Cortex A55 64-Bit Processor with a Mali G-52 GPU. It comes equipped with 2GB, 4GB or 8GB LPDDR4 system memory, and a 128Mb SPI boot flash. There is also an optional eMMC module (up to 128GB) and a microSD slot for booting. So…
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LVGL to design UX interfaces on epaper
lv_port_esp32-epaper is the latest successful attempt to design UX in C using Espressif ESP32.If you like the idea please hit the ★ in my repository fork.What is LVGL? LVGL stands for “Light and Versatile Graphics Library” and allows you to design an object oriented user interface in supported devices. So far it supports mostly TFT…
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CALE.es hits first 100 users
After almost one year on the run, my service to deliver images for epapers and TFT displays finally is starting to get some adoption. The idea was starting at the beginning of 2020 when the epapers and many great projects like EPDiy in hackaday started to be early adopted. Our ESP32 Firmware does 3 things…
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Repurposing the MIDI protocol to control Led Matrixes
Meet Remora-matrix a project that started with the idea to sniff MIDI messages and make simple visuals on a LED-Matrix. Our previous Firmware Remora was intended to receive short commands from ORCΛ and make very simple Neopixels animations on addressable LEDs stripes (WS2812B like)With this one I decided to go a step further and make…
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New epaper component for ESP-IDF
E-paper component driver for the ESP-IDF framework and compatible with ESP32 / ESP32S2 can be found in this repository: https://github.com/martinberlin/CalEPD Codenamed Cal e-pe-de for the initials of E-Paper Display this is basically all what I’ve been doing the last weeks. Learning more about C++ object oriented coding and preparing a class that can be used…
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Testing the new ESP32-S2
I got one ESP32-S2 Saola board and I will be making some tests on this repository: https://github.com/martinberlin/ESP32-S2 ESP32-S2 integrates a rich set of peripherals, with 43 programmable GPIOs which can be flexibly configured to provide USB OTG, LCD interface, camera interface, SPI, I2S, UART, ADC, DAC and other common functionality. ESP32-S2 provides the optimal HMI…
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Arduino-esp32 Basic course – Getting started – Chapter 1
First of all, this small series of blog posts, assume you have installed and are familiar with Platformio IDE to edit and upload code to your Espressif chips. We ‘ve covered in another post the installation and getting started part with this nice IoT editor. Please refer to this section of Platformio to get the…
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Trying out Waveshare E-Paper ESP32 driver board
In my pursuit to make the CALE displays as small as possible but also to learn how different boards interact with Epaper I got last week an Waveshare E-Ink ESP32 driver board. Not all the boards need to use the default SPI GPIOs of the ESP32 and this was one of this cases. Opening the…
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Hackaday projects update: CALE Eink Calendar and udpx
I must say although I’m not proud of all the projects I tried to document in Hackaday I do like a lot udpx and Remora, that are made initially to control Addressable LEDs, but they could be expanded and used for another uses. CALE This is actually an old project for the agency I work…