Legacy Personal Blogs

Please Note:

This blog contains the legacy personal blog posts of our members, other than our Top Members whose content has been migrated into individual blogs in this area. Our new platform does not have personal blogs so this is how we have preserved the personal blog posts of our members from the Jive platform. No new posts will be permitted in this blog. Instead, if you wish to create blog content, please post it in the blog in the most appropriate topic area.

Help just moments away with PushPull

helenchick

For New York subway riders, customer assistance is just a push button away at the new wireless Help Point two-way communication panels. The Help Points, being installed on columns or walls inside stations allow passengers to communicate with the st...
- 13 Jul 2015
Rotary Encoders - Part 2: Capturing Input on a Cypress PSoC4

Jan Cumps

I've removed the rotary encoder from the scroll button of a defect mouse. Let's see how we can use that in a microcontroller design.In post 1, I wired up the electronics.In this one, I'm capturing the encoder's info on a Cypress PSoC4. The Firm...
- 12 Jul 2015
Does My Pontiac Generator Lazy Too High?

e14 Contributor

There may be a great lazy a well-maintained motor in a vehicle's indicator. the toughness of the factors inside controls the overall performance of the automobile. While something goes wrong, a driver might not know how to make a proper diagnosis. Is...
- 12 Jul 2015
TEA5767 on the CubieTruck

packetgeek

Have ported the Raspberry Pi code, for the TEA5767 FM radio receiver, over to the CubieTruck. Because the TEA5767 only employs the "normal" 4 wires for I2C, and because WiringPi is just a wrapper around other libraries, the porting was easy.&nb...
- 12 Jul 2015
Rotary Encoders - Part 1: Electronics

Jan Cumps

I've removed the rotary encoder from the scroll button of a defect mouse. Let's see how we can use that in a microcontroller design. The Encoder On the outside, a rotary encoder looks like a potentiometer. On...
- 11 Jul 2015
Shop Tips - Pen Solder Feeder Hack

4ringfan

First off, I will preface that this was NOT my idea, but I felt compelled to post it because I thought that all of the people on E14 who solder could find it handy and useful. I saw it pop up on an Instructables feed that I get very regularly.&...
- 11 Jul 2015
This triggers That ... PCB No.2

drlucyrogers

Thingatrons (blog post here) - the open collector driver boards that I (Lucy Rogers) made to control outputs from the GPIO pins on a Raspberry Pi - were great, but I realised I also needed to use various inputs to trigger the outputs.&nbs...
- 10 Jul 2015
Arduino Capacitor Meter

roeebloch

Hi,i have done this project include:1. Theoryhttp://www.electronics-freak.com/arduino-capacitor-meter-theory/2. Videohttp://www.electronics-freak.com/lesson-14-arduino-capacitor-meter/3. Codehttp://www.electronics-freak.com/lesson-14-arduino-capacito...
- 10 Jul 2015
Lets Go GeoCaching

patkelly

GeoCaching Tag has arrived, let the fun begin!
- 10 Jul 2015
STM32F0-Discovery Review

jlangbridge

I was asked to review the STMicroelectronics STM32F0-Discovery board, a high-quality, low-cost board designed to show off the technical capabilities of the STM32F0 microcontroller, while remaining versatile enough to be used for applications immediat...
- 9 Jul 2015
Zero to IoT in Five Minutes (Part 1)

chriswhite

I’m terrible at personal projects. Let’s just get that out of the way. I have a collection of neglected hobbies, half (or less) finished electronics builds, unprocessed astrophotos, and unfinished song ideas leaving a wake behind me. Sometimes a proj...
- 8 Jul 2015
Replacing TV LEDS

e14 Contributor

Am looking for some generic part numbers to try out as replacements for individual surface mount white LEDs that have failed in TV backlights. They are used in strips of various numbers of LEDs in series and controlled by pulse width modulated regula...
- 8 Jul 2015
Arduino capacitor Meter Theory

roeebloch

Hi,See my explanation below:http://www.electronics-freak.com/arduino-capacitor-meter-theory/Thanks,Roee
- 8 Jul 2015
Windows 95

nick123

I was bored one day, so I power up my old Windows 95 Computer. The Floppy Drive was making the worst sound so I took it out. But, anyway I was playing in Windows 95 reliving the memories as a kid, and I got the weirdest error message. I just wanted y...
- 7 Jul 2015
Temperature, Pressure, and the Speed of Sound

mikedavis

On July 2nd, students from the City Colleges of Chicago launched a high altitude balloon from Pontiac High School. Some of you may have tracked our flight on APRS.fi. We actually did two launches that day. One was a typical launch wi...
- 6 Jul 2015
Cyberdyne and Japan Airport Terminal to Develop Next-Generation Robotics for Haneda Airport

GardenState

HAL Lumbar Type for Labor Support mitigates the risk of backache for workers by reducing loads on their lumbar region when they lift heavy items. The devices are utilized for the improvement of the work environment and the avoidance of labor accident...
- 6 Jul 2015
Make your own PCBs with EAGLE

docholiday

I am stuck in Eagle software where I get an error message in trying to change a name of a ‘Bus’ in the schematic. I am using the book “Make your own PCB’s with Eagle by Simon Monk”. I have attached screen shots of the excersise from the book, an...
- 5 Jul 2015
Hello, World!

geekcowboy

For more blog goodness visit michaelbparks.com , steampowerpodcast.com , and gearsofresistance.com
- 4 Jul 2015
128 Line Digital I/O Card

land-boards

This board is currently on Kickstarter.Do you need more I/O lines than you get from your Microcomputer? This card lets you add an incredible number of Digital I/O lines to your Arduino, Raspberry Pi or Beaglebone Black.Technical Details 128 GPIO...
- 3 Jul 2015
Arduino UNO Compatible with Screw Terminals

land-boards

I fell in love with the Arduino UNO but quickly got frustrated with some of the limits. The board was great for breadboarding and prototyping but not as great for deploying in a project. The lack of useful mounting holes and fragility of pins in sock...
- 3 Jul 2015
Installation technology with process safety

helenchick

Improved performance and stepped-up functionality are the main areas witnessing hyperspeed development in connector technology. For the HARTING Technology Group, efficient handling represents the third – and no less important aspect. Installer...
- 3 Jul 2015
TimeFrame part 1

andysc

Way back in 2007, when a lot of us were enthralled by immersive 3D worlds like SecondLife, I had a great idea for a novel type of clock, which I called the "TimeFrame". I wasn't sure if the idea would be quite as cool in reality as...
- 3 Jul 2015
Brave New Hello World

chriswhite

Written by Elecia White. At O’Reilly’s Solid conference, I presented an introduction to using inertial sensors. In the talk, I passed around a hardware demonstration to illuminate accelerometers, angular rate sensors, and magnetometers. The...
- 30 Jun 2015
PID Control in Flowcode

benmatrix

PID control is used extensively in industry to control machinery and maintain working environments etc. The fundamentals of PID control are fairly straightforward, but implementing them in practise can prove to be a uphill struggle. In this article w...
- 29 Jun 2015
TI Hercules LaunchPad RM57: Frequency Analyzer

martinvalencia

Spectrum analyzerA spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of known and unknown signals. The input signal ...
- 28 Jun 2015