electrical-workbench.co.uk
The Electrical WorkbenchElectronics engineering blog covering many aspect of good circuit design and testing.
http://electrical-workbench.co.uk/
Electronics engineering blog covering many aspect of good circuit design and testing.
http://electrical-workbench.co.uk/
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The Electrical Workbench | electrical-workbench.co.uk Reviews
https://electrical-workbench.co.uk
Electronics engineering blog covering many aspect of good circuit design and testing.
electrical-workbench.co.uk
The Electrical Workbench: How to choose a bench power supply
http://www.electrical-workbench.co.uk/2015/05/how-to-choose-bench-power-supply.html
Sunday, 10 May 2015. How to choose a bench power supply. The first and most important thing to do is to make a list of the minimum specifications you need to meet, these are what I would consider the minimum for a good general purpose bench supply:. The outputs being fully isolated from earth ground. Types of power supplies. Power supplies come in three main types:. Uses a mains power transformer and a linear regulator. Simple design makes easy repair. Has a low noise output (usually). For price you shou...
The Electrical Workbench: Op-Amp Compensation
http://www.electrical-workbench.co.uk/2015/07/op-amp-compensation_27.html
Monday, 27 July 2015. Compensation of operational amplifiers (op-amps) is an often neglected topic as many people perceive it as too hard to understand, I'm not going to lie there is a lot of math involved if you get deep in to it, but thanks to modern circuit simulation as well as wide availability of oscilloscopes and signal generators an effective compensation can be achieved with just trial and error. However I did not add in typical parasitic amounts of capacitance you will usually encounter, this w...
The Electrical Workbench: Raspberry Pi Review
http://www.electrical-workbench.co.uk/2015/05/raspberry-pi-review.html
Monday, 18 May 2015. The specifications are fairly impressive as well featuring a quad core ARM Cortex-A7 clocked at 900MHz, a Broadcom VideCore IV clocked at 250MHz and 1GB of RAM which is shared with the GPU, easily enough grunt for full HD video playback and a good number of games and applications. Raspberry PI 2 Model B. I wouldn't really call the Pi easy to use, particularly if you've never used Linux before, things like getting a wireless adapter to work can take quite a bit of effort if you're unl...
The Electrical Workbench: Micro-Controller High Current Switching
http://www.electrical-workbench.co.uk/2015/05/micro-controller-high-current-switching.html
Thursday, 7 May 2015. Micro-Controller High Current Switching. All micro-controllers are rather limited when it comes to switching high amounts of current, the popular Atmel ATMEGA 328 which is used by Arduino and other development platforms can only source up to 40mA and sink up to xmA per I/O pin, source means current flowing out of the pin and sink means current flowing into the pin, there is also a maximum total current limit of 100mA. Bipolar Junction Transistor (BJT). Can switch many amps easily.
The Electrical Workbench: Micro-Controller High Current Switching - Part 2
http://www.electrical-workbench.co.uk/2015/05/micro-controller-high-current-switching_10.html
Sunday, 10 May 2015. Micro-Controller High Current Switching - Part 2. In the Previous Post. I showed how to switch high current loads using a low current signal such as from a micro-controller, those loads had one side fixed at the supply voltage (called a high side load) but sometimes you need to switch a load that is fixed at ground.(a low side load). To do this you can make use of PNP BJTs and P channel MOSFETs like so:. BJTs are available in a darlington configuration, this greatly increases beta at...
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Cataclysm: Dark Days Ahead | PC Software, Technology & Games
https://pcsoftwaretech.wordpress.com/2016/05/19/cataclysm-dark-days-ahead
PC Software, Technology and Games. Cataclysm: Dark Days Ahead. May 19, 2016. Cataclysm: Dark Days Ahead. Is a very fun open source roguelike game currently under active development, unlike a traditional fantasty roguelike this is set in a post apocalyptic world that has been overrun with undead zombies and various other monsters, the only goal is for you to survive, which, like most roguelikes is quite a challenge. World map showing explored areas. Once a world has been generated you make a character by ...
Building GNU GCC 6.2.0 | PC Software, Technology & Games
https://pcsoftwaretech.wordpress.com/2016/12/15/building-gnu-gcc-6-2-0
PC Software, Technology and Games. Building GNU GCC 6.2.0. December 15, 2016. The guide will show you how to build GCC 6.2.0, as always with this kind of thing results may vary, I tested this on Debian 8 x64 and it worked fine, although I did do a fresh build of binutils. Gcc, g , binutils and make as well as your Linux kernel headers. Additional requirements are gzip, bzip2, tar, perl, awk, GNAT (for Ada), DejaGNU, TCL and Expect, most of this should be present on most distributions. Cd gcc-6.2.0. The b...
Chryseus | PC Software, Technology & Games
https://pcsoftwaretech.wordpress.com/author/jameswood432348508
PC Software, Technology and Games. Upgrading from Debian Jesse 8 to Unstable. February 18, 2017. As we all know Debian is a very stable Linux distribution which is partly what makes it great, sometimes however you want access to newer packages, while it’s possible to mix stable packages and unstable it often leads to quite a mess, some packages have so many dependencies it’s often easier just to go entirely to unstable. Deb ftp:/ ftp.uk.debian.org/debian/ testing main. Once that is done run the following:.
PC Software, Technology & Games | Page 2
https://pcsoftwaretech.wordpress.com/page/2
PC Software, Technology and Games. Newer posts →. Installing Gentoo Linux Tips. January 18, 2016. Gentoo is a very popular source based distribution primarily intended for more experienced Linux users, although really it’s not as hard as people make it seem, certainly you should have experience using Linux and be comfortable using the terminal. Around 40GB free disk space for a decent install. A reasonably fast CPU. Access to the Gentoo handbook throughout the install. 1GB of RAM or more. The easiest way...
Blocking Advertising | PC Software, Technology & Games
https://pcsoftwaretech.wordpress.com/2016/05/18/blocking-advertising
PC Software, Technology and Games. May 18, 2016. Internet advertising is one of the biggest risks to your security and privacy so it’s important to block it if you value these things, some might argue it’s wrong to block advertising but when it puts you and your computer at risk there is no other option. Internet advertising can be blocked by three main methods:. Most people these days use browser plugins such as AdBlock. Or my personal preference and recommendation uBlock Origin. The hosts file typicall...
Foreground Reference Utility | PC Software, Technology & Games
https://pcsoftwaretech.wordpress.com/2016/05/18/foreground-reference-utility
PC Software, Technology and Games. May 18, 2016. This is a very handy tool I found some time ago that lets you overlay an image on the screen, you can adjust the opacity as well as freeze it so you can manipulate the window below it, similar to a layer in photoshop or any other image editing program. This is incredibly useful in a number of situations where a method to overlay an image is not available, I often use this in PCB design to verify my dimension are correct when drawing a component footprint.
KeePass Password Manager | PC Software, Technology & Games
https://pcsoftwaretech.wordpress.com/2016/05/21/keepass-password-manager
PC Software, Technology and Games. May 21, 2016. These days it’s more important than ever that you have a good strong password that’s different for each account you have, keeping track of all these can be quite complicated so having a password manage makes life much easier, you could of course write them down but that has its own risks such as someone reading them or more likely you losing them. Password categories and search. Autotype system that doesn’t need browser plugin. Plugins to add more options.
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Electrical Wire
Southwire 250-ft 12-Gauge 2-Conductor Landscape Lighting Cable. Southwire 250-ft 12-Gauge 2-Conductor Landscape Lighting Cable. October 21, 2016. Suitable for outdoor accent lighting, landscape lighting and security lighting May be used outdoors, exposed to sunlight and direct burial 2 fully annealed stranded copper conductors Insulated conductors duplexes in a flat construction for easy tear-down during installation Applications not to exceed 150 volts Contact Me. October 10, 2016. Read More Read More.
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The Electrical Workbench
Monday, 27 July 2015. Compensation of operational amplifiers (op-amps) is an often neglected topic as many people perceive it as too hard to understand, I'm not going to lie there is a lot of math involved if you get deep in to it, but thanks to modern circuit simulation as well as wide availability of oscilloscopes and signal generators an effective compensation can be achieved with just trial and error. However I did not add in typical parasitic amounts of capacitance you will usually encounter, this w...
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Electrical Services
What is involved with a Service Upgrade? Typically, the old service is removed and a new, more powerful service is installed in it’s place. The meter box most likely would need replacement as well as the panel. The power or amperage will determine the size of the wire ran to the meter and the panel. The greater the power, the larger the size of wire which will dictate the diameter of the conduit. Whole House Standby Generators. Why do I need a Transfer Switch? Actually, anytime is a good time to update y...
Electrical Works
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רוני אחזקות- עבודות חשמל ואינסטלציה. בעל מקצוע המתמחה בתחום כבר מעל ל-15 שנים. איש מקצוע אמין ומקצועי בתחום, שירותי ואדיב. התמחויות: חשמל ,אינסטלציה, החזקות כלליות. התמחות בשרות עבור לקוחות פרטיים , דירות, בתים פרטיים, בנייני מגורים , מוסדות, בנייני משרדים, בנייני תעשייה ,בתי קפה ומסעדות . חשמלאי מוסמך מספר רשיון 115167. ביצוע עבודות אינסטלציה צנרת מי זינה, צנרות דלוחין, ביוב, איתור נזקי אינסטלציה, תיקוני דוודי שמש וחשמל,פתיחת סתימות,תיקוני ניאגרות התמחות בסמויות ,התקנת אסלות כיורים וברזים.
