This site contains popular-science style articles describing many aspects of electrochemistry. New articles are added at irregular intervals, and all articles are periodically updated (more…)
Eddy Current Testing (ET) and Infrared/Thermal Testing (IRT) are Interesting Areas where experienced designers can build and manufacture Test Equipment. These pages have NDT (more…)
LED brightness controler, Electronic dice, USB wire switch, JDM PIC programmer, Precise Low Voltage Power Supply, Electrolytic Capacitor Tester.
Elektronika Jaroslav Belza Projects
DIY electronics projects
This is the best Instrumentation OpAmp, Great CMRR, ensure supply has no ripple and keep analog and digital grounds separate.
Stephen Ostermiller has many interesting and innovative code that will help you learn the right way to write code in JavaScript or Perl . Some of the highlights are Scientific Calculator, Triangle Calculator, Contact Form, Tic-Tac-Toe Graphing Calculator Programs, Java Utilities, RSS Reader and Random Password Creator.
on: 10/10/2024
Agora-Project is the open-source software on which the Omnispace service is based. Omnispace is a collaborative work platform: it is a website and a service that centralize knowledge management and project management tools.
on: 10/18/2021
Sam Francke created a versatile freeware for a web designer or programmer. The colors for the GUI for the Web Application or Software can be chosen by this extremely useful software. Program to get colors from your screen with the build in magnifier. Zoom 1 to 10. Modify colors with the RGB or HSV slide bars. Copy the color to the clipboard as Hex, Decimal, RGB or HSV value.
on: 12/19/2020
ExpressionEngine is a flexible, feature-rich content management platform that empowers hundreds of thousands of individuals and organizations around the world to easily manage their web site.
on: 10/23/2020
These are Gadgets i HandCrafted with JavaScript. Add them to your Webpage or Blog. There are Web widgets related to learning electronics and also demonstrating the subtle aspects of Product Design Technologies.
on: 9/26/2020
Digital Clock with 24 hour Military Time Format, Aircraft Dashboard Chronometer Like Looks, Date, Time, Weekday and Week of Year. Clock Gadget, looks like a Clock in Cockpit Dashboard. It is a Mimic of A Flight Chronometer Instrument. It shows Time and Date close to Military Time-Date format. It also has week number and weekday display.
on: 9/24/2020
Here is is gadget GUI for Industrial Process control, WebApps. The buttons make a sound and Light up internal LED lamps. Power On-Off control, Digital Timer; Start, Reset Scroll and Select are the controls. A Web Gadget which is a Preset Timer. This can be Programmed from any Browser. It can also be modified to control external outputs. The advantage is that the industrial process or Home automation can be monitored and controlled on any computer including tablets which has a Browser
on: 12/18/2019
Running LED, Random Results, Decade Counter and Clock. Weigh the Pros-n-Cons, Take a Balanced Decision. This can be built with one 555 timer and a CD4017. Use the pin 5 to connect to a cap you charge with a pushbutton or gate like CD4093 to turn off 555 using pin 4 after a cap discharges. This may simulate a random. Running LED, Random Results, Decade Counter and Clock. Weigh the Pros-n-Cons, Take a Balanced Decision.
on: 11/26/2019