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Velleman Metal Detector Kit

Velleman Metal Detector Kit

To come up against an electric cable while drilling a hole in a wall can have catastrophic consequences. Likewise, drilling into gas, water pipes or central heating pipes can be extremely hazardous.

delabs Hobby Electronics

Sponsor delabs websites and blogs

delabs needs your support to keep giving new ideas, feedback and adding valuable resources. delabs technologies is now in standby mode due to financial stresses. Those companies, engineers and business men that have benefited from delabs resources and ideas since 1999; pitch in and donate to keep the show going. Please Contact delabs and help. Many companies, executives, engineers and the ecosystem have benefited from the ideas of delabs and other resources. Time to reciprocate, time to give back something. Advertise in delabs to get valuable attention for their products and services. delabs sections - This Sitemap of all delabs and dapj Websites and Blogs where you can place Ad Banners. Electronics Manufacturers and Technology Firms can now Advertise in delabs and dapj sites. Electronic Engineering Companies. Like Test-Measurement, Semiconductors, Engineering, Manufacturing and Industrial Automation can build their brand value when they are seen on delabs websites or blogs.

EEMetric a Knowledge Search Engine

I am building a Website with Omeka to create a Knowledge Search Engine on EEMetric.com

Stephen Ostermiller Code

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.

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Low Cost AM FM Stereo Receiver

FM stereo demodulation is accomplished by the use of the LM1800 phase locked loop, thereby eliminating the need for external coils. The AM function of the receiver is done completely with the LM3820 AM radio system. While designed for 3 section tuned superheterodyne application.The LM382 dual preamplifier was selected for its minimum parts count and low noise capability.

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Lascar Panel Meter Applications

Lascar Panel Meter Applications

The vast majority of Lascar meters operate using the Dual-Slope method of conversion. Put simply, the technique involves charging a capacitor (CINT) from zero at a rate directly proportional to the input voltage and for a fixed time (see fig.

Anwheel Industrial Directory

Elenco Electronics Digital Multimeter Kit

Elenco Electronics Digital Multimeter Kit

Assembly of your M-2666K Digital Multimeter Kit will prove to be an exciting project and give much satisfaction and personal achievement.

Anwheel Industrial Directory

The Oath of Aristotle

The Oath of Aristotle

Simple Natural Living

The Future is in Reviving Legacy Methods, Systems, Equipment and Technologies. We need to step back a couple of decades to sustain the planet and environment.

delabs Technologies

Product Design

Product Design

Circuit Design Service

Electronic Circuit and Product Design – delabs can design the Electronic Circuit and PCB if you have a Product Idea and Plan made.

delabs Technologies

delabs 2020 and Beyond

delabs 2020 and Beyond

New delabs Structure

Some developments in delabs after 2018, delabs has moved all the blogs from Blogger to a self hosted application – Digital Analog Power Junction which is powered by a LAMP application called b2evolution that has been there since blogging was invented, it has a past like WordPress but quite different now.

delabs Technologies

Social Community

Social Community

Enhancing WordPress

By integrating BuddyPress and BuddyPress Docs you can make your WordPress Community Friendly and enhance Collaboration. Create your own group or club online.

delabs Technologies

Enhancing Wordpress

By integrating BuddyPress and BuddyPress Docs you can make your Wordpress Community Friendly and enhance Collaboration. Create your own group or club online.

Focused or Niche Communities

You may have become aware by now that Large Public Social Network Community services have become stale. Services like Facebook, Twitter and others have lost their gleam and glitter. The bots, spam, marketing and much more that cannot be publicly disclosed; have made these communities large piles of  classified, high quality Recyclable waste. They have also become serious privacy and security threats when installed in a Smartphone along with banking, personal or family apps. The conclusion is Public Social Network Community services and apps are out. Keep away from them, they are bad neighborhood. Private, personal, and small collaboration hosted web applications are the future. You can create one for the family, one for the company and one for friends. Create niche communities like - Tinkering Club, Sports Group, Knitting Family, Bikes and Bikers, Joggers Union, Nature Protectors etc. Fediverse is the Now Thing

LED Lamp – Simple Bed-Lamp Circuit

LED Lamp – Simple Bed-Lamp Circuit

LED Night lamp, Clock Lamp to see time at night. It is a Green Lamp just 50mA, but its Blue in Color.

delabs Hobby Electronics

RCA connector or Phono Connector

RCA connector or Phono Connector

An RCA connector, sometimes called a phono connector or cinch connector, is a type of electrical connector commonly used to carry audio and video signals.

delabs Hobby Electronics


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Web Resources

Stephen Ostermiller Code

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: 5/21/2022

Omnispace and Agora-Project

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

CPick - HTML or HEX Color Picker

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 Content Management

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

PanZoom - Zoom Scroll Picture

PanZoom is a lightweight native JavaScript library for panning and zooming elements using CSS3 Transformations. It’s built to have a small footprint and be and simple to use. All your elements given by your selector will now have panning and zoomming functionality. For example, we could have the class panzoom which has many elements.

on: 9/29/2020

Sylpheed Email Client

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client. Sylpheed provides intuitive user-interface. Sylpheed is also designed for keyboard-oriented operation, so Sylpheed can be widely used from beginners to power users.

on: 9/27/2020

Openclipart - Colorful Clipart Images

Openclipart initially grew out of a project started by Christian Schaller , who on October 26, 2003 issued a challenge on the Gnome Desktop website for users of Sodipodi to create a collection of flags in SVG format. The project became known as Openclipart by April 2004, with the stated aim of all contributed images being dedicated to the public domain​.

on: 5/5/2020

Computing Resources

Web Resource, Reference Sites, Freeware, Web Design, Software Tools. Software tools, Opensource Websites. Graphic Resources. Scripts and Apps for Webs development. LAMP CMS, Blogs and other applications. Free reference resources and Educational Sites with free books and learning material. 

on: 5/4/2020

Web Widgets

Pin Note Web Gadget

This is a Tiny memo Pad that will have Sticky Notes on Webpage, saves in cookies. This Web Gadget was for the Homepage, Web-page or blog. Pin Notes. This is not an electronics gadget, but i wanted to try building it, The inspiration for this has been Stickies. Which i have been using for some time. So i built this for my learning. 

on: 10/25/2021

Analog Bargraph Clock

Analog Clock, Linear Display of Time Elapsed using Bargraph, Shows Week Days and Month Days Passed. The WD indicates Complete Week Days passed and MD is Month Days Completed. This is not the date, date is MD+1. This is an example of CSS Animation, that was the Motivation for this clock

on: 7/13/2021

Oscilloscope with JavaScript

The Oscilloscope is a Real Time Graph of Volts Y and Time X at any node of a circuit. It can show both AC and DC. This is a Virtual JS Oscilloscope - Fourier Series Periodic Waveforms using JavaScript. This is a Toy Scope or a waveform display which i will integrate with my other tutors to display AC points in place of voltmeters. Virtual JS Oscilloscope

on: 9/27/2020

Digital Alarm Clock

Digital Alarm Clock Web Gadget with Musical Alarms. This Web Gadget is for the Web-page or blog. You can set Five Alarms with Ten Selectable Musical Sounds and a small Text memo. The simulation is as close as possible to a uC based Clock which you could build, The GUI is more like a electronic gadget than a Software Application. That should charge you to build your Alarm Clock today.  ... Alarm Clock Manual

on: 9/27/2020

EE widgets of delabs

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

Aircraft Dashboard Chronometer

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

Programmable Digital Timer

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

Tristate Electronic Random Toss

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