General Electronics

Here you can find general electronics articles contributed by members of the Digital DIY community. There are many useful tips and insights to be found, feel free to have a browse.

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Title	Author	Hits
DJ Hero Teardown	Written by Jon Chandler	1796
The Impact of Pullup Resistors	Written by Jon Chandler	1835
Mini-Tip: Hot Air Gun	Written by Jon Chandler	1670
Mini-Tip: Diode Without a Voltage Drop	Written by Majenko	3568
Extension Calculator for Component Purchases	Written by Jon Chandler	1306
Mini-Tip: Flat Flex Cable Adapter	Written by Jon Chandler	1467
Kensington Power Supply Hacks	Written by Jon Chandler	3332
Useful Online Tools and References	Written by Jon Chandler	2002
Power Protection Circuits - A Closer Look at the P-Channel MOSFET Circuit	Written by Jon Chandler	6676
Power Protection Circuits - A Closer Look at the Crowbar Circuit	Written by Jon Chandler	4770
Power Protection Circuits - A Closer Look at the Series Diode	Written by Jon Chandler	3754
Power Protection Circuits	Written by Jon Chandler	13020
A Tip For Your Tips	Written by Jon Chandler	2645
Making Plots Using Excel	Written by Jon Chandler	2165
Easier Header Connectors	Written by Jon Chandler	3270
Printed circuit boards DIY	Written by MrDeb	7775
LED Calculations - The Lab Section	Written by Jon Chandler	4505
LED Constant Current Tester	Written by Jon Chandler	4854
LED Calculations	Written by Jon Chandler	12746
The Western Union Splice	Written by Jon Chandler	5778
AC-DC Power Supplies - Using Wall Warts	Written by Jon Chandler	30020
PCB Fabrication Sources	Written by Jon Chandler	18287
Battery Charger Circuit	Written by Emc2	4466
Photocell Tutorial	Written by Jon Chandler	7737
A TTL Computer? A recent Goodwill Find	Written by Jon Chandler	4471
Some Useful Jumpers and Test Leads	Written by Jon Chandler	3138
Simulating Analog Sensor Inputs	Written by Jon Chandler	3072
Reliable Header Connectors	Written by Jon Chandler	4500
10 Keys on One Port Pin?	Written by Jon Chandler	11167
Port Pin Output Tricks	Written by Jon Chandler	5851

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Forum Activity

Another Approch to Reading Multiple Switches - mmclaren Wednesday, 22 May 2013 14:05 [8 replies]
A PIC24 Dev Board from Microchip - brianhanley Wednesday, 22 May 2013 01:03 [5 replies]
Voltmeter Ammeter DIY - christopher20f Tuesday, 21 May 2013 20:24 [0 replies]
Read 10 or more switches using only two I/O pins o... - jon chandler Tuesday, 21 May 2013 17:56 [0 replies]
Read 10 or more switches using only two I/O pins o... - jon chandler Tuesday, 21 May 2013 17:56 [0 replies]

Recent Articles

Read 10 or more switches using only two I/O pins of a microcontroller +

Aruna Rubasinghe - February 28, 2013 This is a repost from EDN Magazine's Design Ideas There are several ways to read multiple switch inputs using a reduced number of microcontroller-unit (MCU)...

Connect a 4×3 matrix keyboard to a microcontroller using two I/O pins +

Aruna Rubasinghe - May 8, 2013 This is a repost from EDN Magazine's Design Ideas Matrix keyboards are common as an input device in microcontroller-based projects. A conventional way of connecting a...

From EDN: One I/O line drives shift register with strobe +

Zoran Mijanovic & Nedjeljko Lekic - March 28, 2013 This is a repost from EDN Magazine's Design Ideas. This Design Idea shows how a single microcontroller port can drive a lot of output lines through...

Eagle Board Layout Assistant +

Creating a circuit board to fit a specific enclosure can be a challenge even though vendors are often providing drawings with the recommended board dimensions. Many enclosures use boards shaped...

SMT Protoboard Compendium - An Ongoing Project +

SMT Prototype Board Compendium Many chips are only available in surface mount (SMT) packages and they are getting ever smaller as the drive towards miniaturization continues. This makes it tough...