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.

Custard Pi 8 - SMT and through hole prototyping board

mistertee

Use of SMT or surface mounted technology results in much smaller electronic assemblies. It also allows fully automated production.. However I have found the use of SMT a headache when I have wanted to quickly prototype a circuit. Most of the pro...
- 17 Apr 2014
Getting started with Gertduino - Are you serial?

doorknob

Yes indeed, I'm super serial right now. Or is that supposed to be 'super cereal'?I carefully followed the instructions for disabling login via the Pi's serial port. Then I disabled the Pi's boot messages (out to the serial port), shut down the system...
- 17 Apr 2014
Laser Modules Given Direct Green Light

oe-company

The Optoelectronics Company has launched a range of direct emission 520nm green laser diode modules which offer OEMs and system integrators a realistic, cost and energy-efficient alternative to low-tech DPSS green laser modules. Green DPSS (Diod...
- 16 Apr 2014
Getting started with Gertduino - on the wisdom of walking before you run with scissors

doorknob

Where I last left off, Major Tom and I had just encountered some Schmitt trigger hex inverter input pins floating in a most peculiar way. I'm pretty sure that I've got that part sorted, and now I'm off to try out some bigger and bet...
- 15 Apr 2014
Aprende electrónica y programacion

e14 Contributor

Electricidad Basica Conseptos basicos de Electricidad.Circuito Abierto y cerrado.Circuito Serie.Circuito Paralelo.Madidas de voltaje (V) y corriente (I).Medidas de Voltaje (v).Medidas de Corriente (I).Divisor de Voltaje.Divisor de Co...
- 15 Apr 2014
Getting started with Gertduino - Building A Mystery

doorknob

In my last post I had just discovered a version of the Gertduino manual that includes a schematic diagram. It turns out that that version of the manual (http://www.farnell.com/datasheets/1778121.pdf) is "version 1.3 Dated 6th Nov 2013", whe...
- 14 Apr 2014
Getting started with Gertduino - Progress is our most important product

doorknob

With all of the fuss and bother involved in swapping jumpers and rebooting, I had forgotten that one of the first things that I accomplished by following the Gertduino setup instructions (both the instructions in the Gertduino manual and on the Frien...
- 13 Apr 2014
Getting started with Gertduino - The saga continues

doorknob

Back to setting up the Gertduino. Where was I? Ah, yes. When we last visited, I had just managed to successfully reboot the Pi with the Gertduino onboard, after moving one of the programming jumpers. It looks like the instructions at http:/...
- 12 Apr 2014
Getting Started with Gertduino - No pain, no gain...

doorknob

I am now the proud owner of a CR1025 lithium cell, destined to be the real-time clock backup battery for my new Gertduino board. Note that I did not say that I'm the proud owner of five CR1025 lithium cells - so far I have not yet received m...
- 11 Apr 2014
AT91SAM9XE-EK uart

e14 Contributor

I am using AT91SAM9XE-EK, please send some example pgms for UART of baudrate 115200
- 11 Apr 2014
The vehicle's heart - The ECU3

pollackecoteam

This is the most important electronics in the car. It can control everything It has numerous interfaces and units.
- 10 Apr 2014
The steering electronics

pollackecoteam

This electrical circuit is very small, more exactly the physical size of board is 80x35mm.However, it has enough function.It can manage:Throttle controlBrake detectionEmergency detectionRadio On/Off switchOn/Off switch of vehicleIt can show some imfo...
- 10 Apr 2014
EZPE - The alternative for electrolytic capacitor as of improved energy efficiency, higher voltage and ripple current level and design flexibility.

simone@panasonic

The market requirements for high voltage capacitors in industrial applications, especially for DC-link, DC filtering and snubber capacitors are high reliability and long life in a compact case size. With the EZPE series Panasonic developed a se...
- 10 Apr 2014
Developments

pollackecoteam

After the race we were thinking concern new ideas. The mechanical construction was more or less perfect.So, we had to improve the electrical system. Our new EE members of team had been working in automotive industry for years. They had some new ideas...
- 10 Apr 2014
The first race with our new car.

pollackecoteam

The competition Teams must complete ten laps in a maximum time of 39minutes with an average speed of approximately 25 km/h. The total distance to cover is 16.117 km(10 laps of 1626 m less the distance between start and finish line).Attempt...
- 9 Apr 2014
The mechanical construction - implementing 4.

pollackecoteam

The last steps.
- 9 Apr 2014
The mechanical construction - implementing 3.

pollackecoteam

The body of car was under construction. The guys was working hard.
- 9 Apr 2014
The mechanical construction - implementing 2.

pollackecoteam

The guys were laminating the body.
- 9 Apr 2014
The mechanical construction - implementing 1.

pollackecoteam

The building process is very long. Carbon-fiber parts are created with a mold or "tool."Molds can be concave female molds, male molds, or the mold can completely enclose the part with a top and bottom mold. The male mold was being made...
- 9 Apr 2014
Emissivity – The efficiency of radiating thermal energy

e14 Contributor

Welcome to a discussion about emissivity and how it affects temperature measurement! A material’s emissivity is the ratio of energy radiated by the material to the energy radiated by a “black body”, which is the term use...
- 9 Apr 2014
Thermal Imaging - What, Why, and How

e14 Contributor

Hello and welcome to a discussion all about thermal imaging, also called thermography, from FLUKE. Recently, Fluke released new infrared cameras, also known as thermal imagers, to the consumer market. The purpose of thermography is...
- 9 Apr 2014
The mechanical construction - design

pollackecoteam

We designed a perfect aerodynamic vehicle in a CAD program after that we did some simulations. Fortunately, our plan has been perfect because we got appropriate results.The aerodynamic drag coefficient of car is 0.069, which is quite good. ...
- 9 Apr 2014
About Shell Eco-marathon

pollackecoteam

Shell Eco-marathon is a unique competition that challenges students to design, build and drive the most energy-efficient car. At three events around the world hundreds of team compete to travel the furthest on the least amount of energy. Some achieve...
- 9 Apr 2014
About us

pollackecoteam

Pollack Eco Team is an association of students at University of Pécs. Our team has been developing a prototype race car since 2010.The aim of team is to develop a low consumption vehicle. This car is completely self-made and designed for this purpose...
- 9 Apr 2014
Wickey - 02 - 测试

e14 Contributor

今天本打算测试无线充电demo板的功能和效率，参照http://www.ti.com.cn/cn/lit/ug/sluua44a/sluua44a.pdf的Test Set up，结果一上电，悲剧发生了，电流异常大，估计烧了，仔细一看datasheet中5.3.4 Meters• Connect ammeter to measure 19-V input current to transmitter.• Connect voltmeter to monitor input voltage at ...
- 9 Apr 2014