Here you will find some of the product and circuit designs of delabs. Some are Educational, Generic and few others are related to Application Notes. Many are Intellectual Property of delabs contributed to EE Education.

Creative Work, ideas and documents of delabs can be used for Product Design and Development by R&D Engineers, Hobbyists, Students and even firms for creating useful products. These cannot be used for reprint, replication or publishing online or offline.

About dS ECCircuits FAQ has the questions and answers, If you want a project designed by me you can visit  Design Service page, which is a paid service. delabs Circuits and Product Design – delabs Circuits.

delabs Content Map provides a view of all pages. If yo are a Do-it-Yourself Enthusiast or part of Amateur Radio Groups you will find Hobby DIY Garage resourceful. Electronic Circuits and Schematic Diagrams contain the designs with some notes.

You can learn about practical electronics from my blogs here Schematics of delabs and Solderman’s Basic Electronics.

Electronic Parts and Instruments 
Instrumentation and Industrial Design
  • Analog Circuits – Opamps, Comparators, Small Instruments, Mixed Design Circuits.
  • Digital Circuits – Logic Circuits using 74 and 40 series of TTL and CMOS Chips.
  • Power Electronics – Power Supplies, SMPS, Switching Supplies, Inverters, Energy.
  • Microcontroller – 8051, 8951. Analog Interface, Single Board Computer. Firmware.
  • Test Measurement – Basic DMM, Insulation Tester, AVO Meter, Small Tools.
  • Data Interface – Printer Port Interface. Serial Port Circuits, Virtual Instruments.
  • Hobby Projects – DIY Projects for a Lab. Basic Transistor Circuits for Learning.
  • Custom Projects – Custom Design Examples including specification development.
  • Theory Tutorials – Learning Electronics, Instrumentation and Industrial Controls.
  • Electrical Diagrams – Control Panel Diagrams, Industrial Automation Designs.

Privacy Policy of delabs

delabs Sites does not collect or ask the visitor to provide any personal or private information. delabs Sites does not use any technical or other mechanisms to obtain your name, email, phone, address or any other personal information. delabs understands the importance of user privacy and will ensure that private information is not collected by the web pages or software at delabs Sites.


Communication in delabs Sites is done by email, contact forms and Instant messenger, The Visitor can use the forms to give details on his own accord and consent. This information is used to reply and solve a technical issue. The email, name or other details are not used by delabs for any other purpose and is kept confidential.


delabs Sites links to many website and pages and publishes only the details provided on that website. These may be like the product, services or marketing information that the webmaster of that site has published for public view. delabs Sites takes utmost care while linking to quality content pages of companies and individuals. The visitor is requested to observe caution when he visits an external link, by means of search, advertisements, content pages or companies.

Circuits FAQ

In the Circuits FAQ which answers Technical questions of users, The Question Answer Thread for free support is published with the Initials of the Name or Nickname of the user. This is only done, when a problem is solved free of cost. No Personal details of the Visitor is collected, the email is kept confidential.

Statistics and Browser

The Advertisements, Web Stats, Registered User Login, Gadgets etc. placed in delabs Sites do not collect any personal information. They may use cookies, geographical data from Browser and IP to provide services or features like – personalize user settings, show region specific Ads, use applications, monitor website usage and health. The Web Stats helps us understand user interest and improve the pages for a better user experience.

Third Party Advertisements

delabs Sites uses third-party advertising companies to serve ads when you visit the websites. These companies may use information (not including your name, address, email address, or telephone number) about your visits to this and other websites in order to provide advertisements about goods and services of interest to you. If you would like more information about this practice and to know your choices about not having this information used by these companies, Please study and visit the links below

Google and the DoubleClick DART

  • Google, as a third party vendor, uses cookies to serve ads on delabs Sites.
  • Google’s use of the DART cookie enables it to serve ads to our users based on their visit to our sites and other sites on the Internet.
  • Users may opt out of the use of the DART cookie by visiting the Google ad and content network privacy policy.


delabs Sites hosting is secure and precautions are taken to make the Web Applications safe for user. There are rare possibilities though, Just like any website, the security could be breached and website compromised.

Contact delabs

You can give a feedback or get clarification from delabs on any issue or doubt you have about delabs Sites using  the Contact Mail Form

delabs Websites

The Above URLs are of the Websites of delabs, Indicated as the delabs Sites in all references above.

The full list of Blogs and Sites of delabs and dapj are here – delabs EE Pages

delabs, dapj, Anwheel and EEMetric are brands of delabs Technologies.

delabs Technologies

See Also – Advertising in delabs and dapj Sites

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