delabs Technologies is an online EE Resource centered around Electronics Engineering Technologies. The Focus is on Product Design, Instrumentation and Automation. The delabs Tech Blog of delabs Technologies started around 2002 has changed its form many times. It started with recording delabs designs and ideas. Now more EE Resources and Technologies are being added. delabs and dapj are spread over many pages, sites and blogs. Electronic Engineering Companies. Like Test-Measurement, Semiconductors, Engineering/Manufacturing and Industrial Automation can [Advertise in delabs](https://www.delabs-circuits.com/main/advertising.html) to get valuable attention for their products and services.  **delabs Technologies** [delabs Circuits](https://www.delabs-circuits.com/) - Circuit and product design archive. Instrumentation and Industrial Design - [Analog Circuits](https://www.delabs-circuits.com/cirdir/analog.html) - OpAmp, Signal Condition, Mixed Signal. - [Digital Circuits](https://www.delabs-circuits.com/cirdir/digital.html) - Logic, CMOS, Counters, Timers, 555. - [Power Electronics](https://www.delabs-circuits.com/cirdir/power.html) - SMPS, Regulated Supply, SSR. - [Microcontroller](https://www.delabs-circuits.com/cirdir/micro.html) - 8051, 8052, OpCodes, Analog Interface. - [Test Measurement](https://www.delabs-circuits.com/cirdir/tools.html) - Multi-Meters, Small Test Tools. - [Data Interface](https://www.delabs-circuits.com/cirdir/data.html) - Virtual Instrumentation, Device Networking. - [Custom Projects](https://www.delabs-circuits.com/cirdir/service.html) - Sequential Process Timers, Chargers. - [Hobby Projects](https://www.delabs-circuits.com/cirdir/hobby.html) - Insulation tester, LED Circuits, Meters. - [Theory Tutorials](https://www.delabs-circuits.com/cirdir/theory.html) - Basic Electronics, Instrument Design. - [Electrical Diagrams](https://www.delabs-circuits.com/cirdir/electric.html) - Control Panels, Reference Tables. - [Resources](https://www.delabs-circuits.com/cirdir/links.html) - Electronic Firms and Electronic Projects. delabs and dapj Websites which include some Tech Blogs are centered around Electronics Engineering Technologies. The Focus is on Product Design, Instrumentation and Automation. [Electronic Circuits](https://www.delabs-circuits.com/cirdir/index.html) and [Schematic Diagrams](https://www.electronics-circuits.com/) contain the designs with some notes. The Circuits FAQ will contain the Archived mail threads. Product Design - Industrial Automation and Instrumentation. Circuit and Product Design Service from delabs Technologies. [Hobby DIY Garage](https://www.dapj.net/) has Do-It-Yourself Electronic Projects - Hobby Electronics, Do it Yourself Projects, Home Garage Projects. Electronic Schematics. Ham, Amateur Radio Transmitters. Educational Basic Electronics. Basic Electronics can help learn practical electronics and has Instrument Photos, Production, Testing and Calibration Documents. **dapj tech blogs** These i maintain to jot products and services of various firms in relation to Electronics Product Design and Development. You will also find here some of my product and circuit designs. Some of my design, manufacturing experience and learning notes too are being recorded.  These are the main circuit sections of  delabs Technologies, these have circuits in PDF format with Source design files and PCB layouts for some. If you want only Schematic Images with brief description, remain on this blog. delabs Technologies has two main sections and brands – delabs Technologies and dapj EE Publications. These together form an Electronics Informatics and Product Design Technologies Web Consultatory. Services – E-Learning and Consultancy for Engineering, Design and Development of products, system and processes. Generating and Promoting Open Design Ideas for Future Technologies in Handheld Devices using Web Technologies for Automation and Control. Resources of delabs encompass subjects like Analog Design, Power Electronics, Circuit Design, Instrumentation, Process Control. These help engineers and other professionals get information of products, services and companies. These people may be R&D, Production or the Procurement departments of the technology companies.