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Electronic Devices and Engineering Designs

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Temperature Calibrator Milli Volt Source

2020-09-14
By: delabs
In: Instrumentation
Tagged: delabs-Portfolio, Test-Measurement

This is a Milli-Volt and Milli-Amp Source for Calibration of Temperature Measurement and Control Instruments using Thermocouples. There is also a Passive Variable Resistance Source for Simulating a PT-100 RTDRead More

Connection Diagram of AC Control SSR

2020-05-05
By: delabs
In: Power Electronics
Tagged: delabs-Portfolio

SSR or Solid State Relay or Electronic Relay – This is a Thyristor Based Normally Open 230V Switch that can be turned on / off at a fast rate. ThisRead More

Usability of Front Panel Controls

2018-11-16
By: delabs
In: Handheld Portables, Product Design
Tagged: delabs-Portfolio, design-notes, Ergonomics

I once worked in Tek for a very short period. I got to experience the 2235 and 2465 analog scopes and their controls. The 2465 was a 400 MHz DigitallyRead More

DC Regulated Power Supply

2018-11-16
By: delabs
In: Instrumentation, Power Electronics
Tagged: delabs-Portfolio, Test-Measurement

This is a Regulated 0-30 V DC Power Supply manufactured by me in small numbers, 0-30V 5A and 5V -5A. It had a Switching Preregulator. This keeps the Vce acrossRead More

PLC based PID Controller

2018-09-26
By: delabs
In: Process Control
Tagged: delabs-Portfolio

Below is a Electrical Control Panel, It has a Strip Chart Recorder which is electro-mechanical, It has a PLC Inside. A handheld PLC Programming unit. The computer is showing theRead More

Materials and Inventory Management

2018-05-17
By: delabs
In: ideas of delabs, Training Consulting
Tagged: delabs-Portfolio

The Inventory of a Firm should be Open within an Organization. Searching with a browser, Integrateable with departmental webware/intranet. With a very easy readable non-programmer friendly API. Components Parts KitsRead More

Astable Multivibrator with 555

2017-12-16
By: delabs
In: Basic Electronics
Tagged: delabs-Portfolio, Tech-Training

This is a demo of the popular 555 timer. you can try out the project on this page by a javascript simulation.Press the Red button below to turn on theRead More

Mini RTD Pt100 Three Wire Transmitter

2017-03-12
By: delabs
In: Process Control
Tagged: delabs-Portfolio, Industrial-Automation, Temperature

These are the circuits and boards of a Mini Temperature Transmitter for a Platinum hundred ohms temperature Sensor. The customer wanted a two wire system, this needs low power opampsRead More

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The documents, software, tools and links are provided to enhance the ability of an electronics student, hobbyist or professional by sharing information. The information, links etc. should be used by the website visitor, at his or her own risk and responsibility. There may be concept, design and link errors in the pages.

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.