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Hobby DIY Electronics: Ultimate Morse Code Web Site – PA3BWK

Ultimate Morse Code Web Site – PA3BWK

Wilko J. Hollemans PA3BWK – “Practice SENDING very fast but ACCURATELY – this in itself will improve your ability to copy fast code.

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TMN Updates: Computer Circuits for Experimenters

This book contains complete instructions for assembling fifteen separate logic circuits ranging from simple gates to a complex decade counter. I assembled and tested all the circuits and each should operate as described if you follow the simple assembly instructions. I hope you enjoy building and operating each circuit.

Computer Circuits

Hobby DIY Electronics: Heathkit do-it-yourself electronics

Heathkit do-it-yourself electronics

All of man’s progress has stemmed from ideas, ideas held by men and women who pioneer new concepts. The provocative ideas of yesterday are the realities of today that make our daily tasks easier, our lives more interesting.

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Hobby DIY Electronics: Tandy Whiz Kids Comics

Tandy Whiz Kids Comics

TRS-80 Computer Whiz Kids – appeared in 1984. Eight issues in all are known to have been published, the last appearing in 1991.

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Hobby DIY Electronics: Bubblegate Circuits of Domenico Di Mario

Bubblegate Circuits of Domenico Di Mario

Electronic circuits easy to realize and although each circuit comes with some essential information.

Bubblegate Circuits of Domenico Di Mario

Multiple led flasher SCR inverter, Geomagnetic field detector, Sound triggered flash, Seismic detector, Electronic attenuator, Windscreen loop aerial, Ultra low frequency receiver, Single led flasher, Mains frequency meter, 10A car battery charger, Light bulb timer ….

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Electronics Circuits: Current Source for Resistance Measurement

Current Source for Resistance Measurement

Here is a current source you can build for resistance measurement. When the current is held constant, you know as per Ohm’s Law the Voltage across Resistor is proportional to Resistance value.

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TMN Updates: Why Wi-Fi gaining over RJ45

Computer Interfacing
RJ45 LAN Cable

The speed of data transfer on a wired connection depends on Cable, Connector and the Crimping. Ethernet over Coax (EoC) co-axial cable. Optical and Gigabit Ethernet over Optic Fibers. Copper twisted pair and others are other means of Digital Data Transfer over Ethernet. Wi-Fi and WiMax helps freeing the user from wires. Remember Wired is more secure than Wireless.

Building a RJ-45 Ethernet cable of a specific length 

Tech-Reference

TMN Updates: FreeMat - Engineering Technical Computing

Design Automation
FreeMat - Engineering Technical Computing

FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source. FreeMat is available under the GPL license.

FreeMat - Engineering Technical Computing  

Tools

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on: 12/15/2019

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on: 12/12/2019

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Request a Product Design Service or Advertise in delabs by contacting delabs Technologies. delabs can give you technology ideas,. ask technical or DIY Questions too. Sponsor or Advertise in delabs Sites or Blogs related to Electronics - Advertise in delabs. Electronic Design Service Requests, EE Tech Questions, Hobby DIY Doubts - Tech EE Service. There is a Simple Contact delabs Form to send me a short message.

on: 8/19/2019