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Category: Common

Tall Boxes Ready for Download

Posted on 2020-11-27 by Lucky Resistor

The tall boxes set is ready for download, after successfully completing my tests. You will get carefully designed storage boxes, optimised for 3d print from the ground up. Only this weekend, from 2020-11-27 to 2020-11-29, all STL files in the shop are 20% off. The new set fits well into the series. In the picture…

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Organizer Boxes Optimised for 3D-Print

Posted on 2020-11-212020-12-08 by Lucky Resistor

One of the reasons I didn’t publish as many articles are before, is I am still organising my new lab. Because of the current pandemic, everything got delayed and there is still a lot of material which needs to be organised. After reviewing many existing designs and didn’t found one which matched my needs, I…

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Circle Pattern Generator

Posted on 2020-10-012020-11-23 by Lucky Resistor

I wrote a small application to generate random circle patterns. You just specify the width and height of the rectangle to fill and the application will fill the area with the circles you specified. The result can be exported in SVG format to use it in other applications. Interface Elements Width, Height: These define the…

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My Favourite Board Connectors

Posted on 2020-07-012020-10-09 by Lucky Resistor

In most of my last projects, I used nice miniature connectors from TE. This is, again, no sponsored post. If you ever evaluated connectors, you may know how overwhelming the range of products is. I like to introduce these connectors to you, in the hope you find them as useful as I do. 😅 I…

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Well Made Boards from PCBWay

Posted on 2020-06-232020-06-23 by Lucky Resistor

I received new boards from PCBWay for the Always-On project. They are well made for a really low price. As you can see in the previous image, the layer alignment is very good. Also, I do not have to worry about small fonts on the silk layer. I use 1mm labels and fine 0.2mm lines…

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Excellent Cases from Distrelec’s RND Brand

Posted on 2020-06-13 by Lucky Resistor

First, this is no sponsored post. I like to put my devices into a nice case. It does not only look more professional, but it also protects the electronics from dust and water. If you ever searched for a nice case, you probably know how overwhelming the offered range of enclosures is. Nicer ones, with…

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Always-On Project

Posted on 2020-06-052020-06-05 by Lucky Resistor

I just finished a new project, which is called Always-On. This project is a simple bidirectional bridge between the mains-voltage installation and an Adafruit Feather board as a controller. The idea is to have a device integrated into the electric installation. It works as a smart light switch, monitors power lines or works as a…

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Snowflake Decoration Available on the Pimoroni Store

Posted on 2019-11-132019-11-14 by Lucky Resistor

We have some great news about my Snowflake Decoration: Starting today, you can buy an assembled version of the project from Pimoroni that can be shipped worldwide. Pimoroni did an excellent job on this project. No soldering is required at all, meaning this is the user-friendliest version of the project ever released! The project comes…

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HAL LCD Demo

Posted on 2019-08-18 by Lucky Resistor

I added more modules to the HAL layer. The Hitachi LCD driver is now in a stable state. It uses a MCP23008 chip-based backend to reduce the number of wires required to access the display. Video Parts This demo uses a number of Adafruit boards and components: Adafruit Feather M0 (any type) Adafruit I2C /…

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Inline AES 256 / CBC Implementation

Posted on 2019-04-142019-07-24 by Lucky Resistor

Today I like to share some encryption code, which can be used in various situations – and is also useful for embedded systems. It is a unique implementation of the AES 256 / CBC crypto algorithm. The goal of this implementation was neither speed nor size. It was written to inline it into existing code….

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Top Posts & Pages

  • Storage Boxes System for 3D Print
  • Simple Box with Lid for 3D-Print
  • Storage Boxes Catalog
  • Real Time Counter and Integer Overflow
  • It's Time to Use #pragma once
  • Plastic Cup Meltdown - Working with Epoxy
  • Fan Controller
  • Use Enum with More Class!
  • How and Why to Avoid Preprocessor Macros
  • Accessing the SD Card (2)
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