Articles

Hello, hello and hello! The idea of building a 3D printer has been on my mind for about a year, I finally took it as an engineering subject and got motivated. :) I decided to model it after the existing Artifex, as you can see. In general, the main criterion for selecting components... [Read more]

This article will describe how to display and record car diagnostic information with a Raspberry Pi. Step 1: Required materials To complete this project you will need: o Raspberry Pi Model B or B + o Car stereo (must have an AUX socket) o Bluetooth adapter o Car charger o USB or Bluetooth... [Read more]

As is well known, SSDs are the successors of traditional hard drives that operate using magnetic media. The new generation exceeds the old one with various parameters, e.g. faster reading and writing or no need to defragment. After all, Zack Whittaker in his article proves that data... [Read more]

Current measurement results in 5V and 12V branches of HDDs and SSDs. Currently, there are miniature platforms with SATA connectors that allow you to build many interesting devices equipped with capacious and fast hard drives. We checked the current consumption of HDDs and SSDs, the... [Read more]

From the electronics archive - how the analog system for imaging the Earth's surface from orbit worked, and how were data packets switched without internet? Photographs of the Earth from orbit in 1959. Nowadays, everyone can view satellite images of the Earth using a computer... [Read more]

Hello, I would like to introduce my Amstrad 464 microcomputer clone. Why did I make it? Well, mostly for educational purposes, besides, the original Amstrad 464 is awfully long and takes up a lot of desk space. ;) Mine takes less. ;) Diagram: Original diagram of Amstrad 464 I redraw... [Read more]

I was forced to do this by the price of the original transistors and the ubiquitous coloring. So, after analyzing a multitude of diagrams, I came to the conclusion why not to use easily available and commonly used mosfets in new radios. I went to work and it worked, so I wanted to... [Read more]

From the electronics archive - Electromechanical VLF transmitter Can the generator transmit? The antenna can transmit by radiating RF energy delivered by the transmitter in the form of electromagnetic waves. The transmitter output signal can be modulated both in amplitude and frequency,... [Read more]

From the electronics archive - selsyns Some of the forum members probably remember circuits based on selsyns, nowadays selsyn links have been practically completely supplanted by modern solutions. Imagine that you are given the task of designing a circuit that transmits information... [Read more]

DRF1278F Dorji. The Dorji Company has made available to users of forum elektroda.pl free of charge DRF1278F modules samples based on Lora Semtech SX1278 . DRF1278F modules were tested based on documentation, manufacturer sample source code and tests performed on modules DRF4463F last... [Read more]

How long does the package from China take to Poland? On the Chinese market, you can find interesting electronic components at a favorable price (even after taking into account shipping costs), many people wonder how long it will take to wait for the shipment. We asked several Chinese... [Read more]

In the article, you will find information about UPS units that can be used in your home or business, both for local backup of a single device and for ensuring uninterrupted power throughout the building. The UPS market is constantly changing, not only in terms of new manufacturers,... [Read more]

Translated from: Welcome. Beginner electronics dealing with microcontrollers from a very start are often very young and have limited knowledge of this field. Such an enthusiast who immediately wants to build some complex projects, may easily become frustrated and waste many hours... [Read more]

M.2 is an interface for expansion cards, most often SSDs, that appeared relatively recently on motherboards of desktops and laptops. Recently, manufacturers have introduced many motherboards with the Intel 9 series chipset (Z97 and H97) equipped with M.2 connectors using two PCI Express... [Read more]

Hello. Some time ago, I rented a small apartment. It had one major problem - heating. Electric or gas heaters were out of the question. After much searching, I found webasto on eBay. It comes from the Rover 75 car and is powered by diesel fuel. A dedicated fuel pump works with the... [Read more]

Hello, I wanted to present a simple and proven (using the GLUCOFACTS Deluxe v3.05 program) cable to read data from the Bayer Contour TS glucometer.   Of course, there is nothing extraordinary here, and his advantage lies in simplicity. For anyone who needs to archive measurements... [Read more]

I decided to write this guide, because you can't find anything about it on the net (or I'm not doing a good job searching). There is a lot about some bizarre indirect methods using software that you don't know where to get. And this method is simple and effective. The... [Read more]

The Dorji Company has made available to users of forum elektroda.pl free of charge 20pcs DRF4463F modules based on Silicon Labs Si4463 . This article presents the results of external tests performed for elektroda.pl. As you can see modules have very small dimensions, but they have... [Read more]

Yes, it is possible to listen to frequencies from the computer. And it is not necessary to buy devices at cosmic prices. All you need is the Not Only TV DVB-T USB DELUXE LV5T TV tuner. Here is a youtube video showing the whole process. [/youtube] [Read more]

Recently I have encountered the problem of not being able to buy a new remote control for my ONKYO turret (discontinued). In my RC-647M, the buttons stopped working one by one. Cleaning was no longer effective. I am not convinced by the methods of replacing erasers or drawing with... [Read more]

Hello. I have been interested in RFID technology for a long time and today I would like to present the development of my old design, namely an RFID card reader with an integrated antenna on a PCB. Due to the complicated structure of the antenna (small distances between the paths),... [Read more]

Hello! 1. What is this? The detector I want to introduce to you is a simple device that allows the detection of alpha particles in the air at atmospheric pressure. It consists of two parallel electrodes: one in the form of a metal plate and the other made of thin wires. As I mentioned... [Read more]

I would like to present a printer of my construction, which I called BiBONE At first glance, similar in construction to the RepRap Prusa Mendel, but this is only appearances. Unlike Prusa's flaccid design (M8 rods) BiBONE has a frame made of M12 and M10 rods. to which linear guides... [Read more]

Introducing the Line Follower class robot named Impact. This is an improved version of previous design described in the largest forum of Polish amateur robotics. The robot was created in 2011, until now he was the winner of all competitions in which he participated. The biggest success... [Read more]

The latest results were announced last week research cryptographic files that showed threats in the method encryption AES-256 data, used in most protected internet transactions and more. AES-256 (Advanced Encryption Standard) is a symmetric block cipher used since 2002 by the American... [Read more]

The only such portable AVR programmer. It will help wherever you need to update the software, and the target chip is in a hard-to-reach place and we do not have the ability (or the desire) to drag a laptop and a lot of wires with us. Easy to use, low cost, super small, super fast,... [Read more]

Hello. I would like to present the desoldering station ZD-915 that I have made. The modernization was done already in the first week after buying the device. The condenser, which exploded inside the station, contributed to this. I found that sending back the equipment for warranty... [Read more]

Spot welders are used in almost all plants where it is necessary to join sheets. The advantage of welding machines is the precision of joining (with very good electrical contact), and a very low voltage between the electrodes, which makes the device safe. The presented device is of... [Read more]

Hello I would like to introduce my first fully self-made construction. My goal was to build at the lowest cost of the station that I could power the Weller WSP80 soldering iron. During the construction I was learning to program in the bascom, I used atmega8. I have plans to make another... [Read more]

Hello to all forum members, I am writing my first post so please be understanding! I would like to present my amplifier and get your opinion on the appearance and used lamps and other components. The amplifier is a typical Single Ended based on EL34 tubes in the power stage operating... [Read more]