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New cases for the 9.7″ parallel displays and proposal for CLB Club
This might be a continuation from the Cinwrite DEXA epaper controller that we designed just after partnering with Freddie from Good-Display.comThe idea is to prepare an open source Firmware that is ready to be used with different examples and two target controllers: 1 – DEXA-C097 from Good-Display needs additionally my Cinwrite ESP32-S3 SPI controller Optionally…
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Dust sensor data representation
The idea of using a HM3301 Laser dust sensor was to make a data representation that instead of boring numbers show a more visual appealing image representing particles and their size.For that we though about making a read each 2 minutes and use a bi-stable display with 4 grays.Components used: The build work!First you should…
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Compiling an ARM Linux kernel with EBC eink interface
First of all the essentials which are clearly explained here: Build your first Linux kernel and make sure you have at least 8 GB free disk space .Please be aware that building your own Linux kernel needs to be done with care and it’s a risky operation where you might need to wipe everything if…
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Making our own ESP32S3 BLE receive JPEG image Firmware
Since long I’ve been interested in using another means to receive binary data that are more low-consumption oriented than WiFi.And there is a protocol for that, which should be the standard, when sending and receiving BLE files. It’s called L2CAP: Logical Link Control and Adaptation Protocol: L2CAP permits higher-level protocols (such as GATT and SM)…
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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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Moved to Barcelona
Well it was hard, frustrating and a very tiring experience to say the least. But after finally signing a one year Contract for the apartment, and many “Nos” for other’s we’d liked, but we didn’t qualify since we do not have any spanish work…we are settling down nicely and already got high speed internet installed.Now…
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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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Analysis of the YouHodler user interface and their default risk assessment
Since about 4 months I’ve been using this site to keep my Crypto assets and I really like the User experience (UX) and also the design, both of the website and their Android / Iphone application. YouHodler is a DeFi platform where you can store your Crypto assets and get a yearly percentage interest, just…
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MultiHodl bets and the psychology of risk in crypto
I wanted to start writing a post about how to get out of bad bets. But instead I read some articles about risk psychology and I think that’s the best way to explain why we end up loosing many not only on betting, but in investing on general. The best advice I can give on…
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Fasani Corporation 