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Matrix/Game Shield Project (Firewing) 9 Aug 2013 | 10:52 pm
Project by Gavin Wiggett. I bring you the Matrix/Game Shield, (Red/Green 8x8 led matrix). I started this Project just a few months ago (May 2013), the idea was to make a game system where you can ...
A Look at Switching DC-DC Converters 17 Jul 2013 | 08:14 pm
To use my USB charger boards in the car, I need to convert the nominal 12 volt supply to 5 volts at up to 2 amps (a 10 watt output). The first choice in voltage regulation is often the ubiquitous 78x...
Firewing Color TFT Library 11 Jul 2013 | 09:43 pm
I just want to share a new feature to Firewing which I have worked on with David Barker. The Firewing Color TFT Library The Design of the Firewing TFT Library was based around a IteadS...
From MAKE - A Pocket Size Power Supply 4 Jul 2013 | 03:59 pm
Jason Poel Smith likes to shop at thrift stores as do I. It's nice to be able to test electronics before making the decision to buy, but that can be a challenge for battery-powered gear. Jason devel...
EEVblog #483 – Voltage Inverter Tutorial 17 Jun 2013 | 06:31 am
Dave Jones at the EEVBlog covered voltage doublers in a recent episode. His latest tutorial covers a variation of the technique, the voltage inverter. This is excellent technique to have at hand whe...
Dickson Voltage Doubler 26 May 2013 | 04:26 pm
When designing a microcontroller circuit, you may need a source of higher voltage. This is particularly true when using a 3.3 volt micro such as the PIC18F25K22 on the Amicus board or when using the ...
Read 10 or more switches using only two I/O pins of a microcontroller 21 May 2013 | 09:56 pm
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) pins...
Connect a 4×3 matrix keyboard to a microcontroller using two I/O pins 21 May 2013 | 09:50 pm
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 21 May 2013 | 09:36 pm
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 17 May 2013 | 12:41 am
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 like ...
