GCSE Electronics - resistor colour values. It is useful to be able to remember the colour code that refers to resistors or any other electronic component for that matter However if you are taking GCSE you will be invariably given a colour code to work with. Having an incomplete knowledge is not therefore the handicap it could be. The resistor colour code is given below. Most resistors have 4 or 5 bands on the resistor, some even have a sixth. The first 3 colours refer to calculating the resistors value (the 4th colour indicates the tolerance) The 3 rd colour is the multiplier The colour code on a 4 band resistor. orange, yellow, orange and gold would equate to :- 3(orange) 4(yellow) the multiplier would be 000(orange) = 34 (000) =34k 5% tolerance (see below) The multiplier colour code is given below. The final band of a resistor is the tolerance band. The tolerance color code is given below For example A resistor with the codes orange, blue, black, orange and silver would equate to :-
GCSE Electronics - Ohms laws. One the most important and fundamental laws of electronics is that of ohms law. This law defines the relationships between current, voltage and resistance. A good way to understand ohms laws is an analogy with a domestic water system. The same way that an electric current flows through a copper wire, water flows through a copper pipe in a water system. Most people do not think to much about the fact but when they turn on tap the water comes out as a result of the pressure that is provided by a pumping station some miles away. This water pressure is similar to that used to drive electricity around a circuit, the potential difference or pd for short is the term that is used - this is measured in volts. This driving force is provided by a battery or in the case of mains electricity a generator at the power station The water that flows through a copper pipe can be considered similar to that which flows through an electric cable.
Consider the circuit shown below. GCSE Electronics - The Art of soldering. Most students who begin electronics are at some time introduced to constructing a circuit using a soldering iron. Many years ago I was placed in a similar situation, I remember being told to tin the bit and apply the heat until the solder melted. Useful advice I suppose but having many years later worked with a professional wire man I realized how poor the soldering technique I used.was. I will leave the health and safety aspects to your instructor, the object of this short article is too make you far better than the average amateur solder. The basics of good soldering 1 Cleanliness the copper track that you are running the solder over must be clean and free from dirt and grease of any sort. Even a very small amount of grease from your finger will effect the way that the solder will run over a joint.
Tip - Remember not to throw away your old toothbrush 2. Soldering iron tips that are tapering from the soldering experience that I acquired are far easier to use than the spade type. 3a. 3b. Mousey the Junkbot. SBC-T3530 Single Board Computer | CompuLab. Product Highlights Single Board Computer implemented by the combination of a CM-T3530 module and a SB-T35 baseboard. Texas Instruments OMAP3530 CPU @ 720 MHz, 256 MB mDDR, 512 MB Flash Disk WLAN / WiFi 802.11b/g interface 1400 x 1050 graphics controller with interfaces for LVDS, RGB and DVI TV-out with S-Video interface Camera interface 3 serial ports Host and slave USB ports Touchscreen interface Keypad and GPIO connectors Sound codec with stereo output and line input Two 100 Mbps Ethernet ports MMC / SD / SDIO socket RTC with back-up battery Lithium-ion battery charger Note: some of above specified features are optional Description The SBC-T3530 is a small single board computer based on the Texas Instruments OMAP3530 processor.
It is implemented by a CM-T3530 module providing most of the functions, in combination with SB-T3530 carrier board providing connectors and several additional features. Welcome - Fritzing. Arduino. My older son recently started school and needed his own desk for doing homework. I wanted to make something nicer than a simple tabletop with legs, and realized that I could also build in a bit of fun for when the homework is finished. Both my boys and I still had space travel on our minds from our summer trip to Kennedy Space Center. For this desk project, I decided to go with a NASA theme. I researched the Apollo Program as well as NASA's Mission Control Center, and designed my own console roughly based on those. The desk resides under my son's loft bed (which I also built), and stays closed until the homework is finished: When playtime begins, the lid flips up to reveal the Mission Control console: As I mentioned in the video, I painted the underside of the lid with magnetic primer.
The programming of the console, which I posted to GitHub, has the Arduino and the Raspberry Pi working cooperatively. The CAPCOM panel has connections for the headset as well as volume controls. Adafruit Industries. Home Circuit-board Etching Tutorial | BramKnaapen.com. Because some fellow students asked for it I’ve written a tutorial on how to etch your own circuit boards.
You can download a pdf version here WARNING: In the etching process acid is used. USING THIS TUTORIAL AND THE GUIDELINES IS ON YOUR OWN RISK. I’ll point out some of the things you should take care of but I can not be held responsible for accidents. Introduction. When you need to make a lot or very complex circuit boards but do not have the time to wait for professional circuit boards to be made there’s another option. There are a few restrictions compared to professional circuit-boards: - maximum of 2 layers: professional circuit-boards can have up to 12 layers of traces, home etched circuit-boards can have a maximum of two layers. Method There are different ways to make circuit boards.
What do you need? - Access to Laser printer – You need to have a laser printer capable of printing on photo paper. Start After you’ve gathered all the stuff let’s start. Etching After etching: Soldered: GCSE Electronics - Measurements in Electronics. Measurements in Electronics Many students in their electronics studies have difficulties in understanding the units used in electronics. Whatever units you are dealing with amps(current), volts (voltage), watts(power) then the unit of measurement is broken down into smaller and larger units. If you are refering to the electrical measurement of amps, 1 amp is a rather large unit used in power electronics, smaller units are required in electronics. In electronics the prefix multipliers are in increments or decrements of three orders of magnitude 1 amp 1 milli amp = 0.001 shown in shorthand 10-31 micro amp = 0.000 001 shown in shorthand 10-61 nano amp = 0.000 000 001 shown in shorthand 10-9 The ohm (symbol: Ω) is the SI unit of electrical impedance The ohm (symbol: ?)
Is the SI unit of electrical resistance An ohm is a small amount of electrical resistance, most resistors have a larger value given in increments of three orders of magnitude. Basic Electronics Diploma | Penn Foster Career School. Earn Your Accredited Career Diploma Penn Foster will help you gain the knowledge and skills you need: Learn electronic circuits: amplifiers, oscillators, and power supplies Use service guides, schematics, and manufacturer specifications Repair or replace defective parts: motors, fuses, and gaskets Reassemble and test equipment after repairs As an Electronics student with Penn Foster, you can learn at your own pace, gaining new skills in a flexible, convenient way.
Earn your accredited diploma online and at home, or wherever you choose. How It Works Get Started with Our Career Diploma Experts Today Books and learning aids Expert instructional support Access to student services by phone, message board, and email Chat with students and faculty, find study partners, and join tutoring sessions on the Community Additional resources like our online library and career guidance from Career Cruising Graduate debt free with interest-free, low monthly payments ETA® Exam.
Metric conversion, Calculation available here. Raspberry Pi | An ARM GNU/Linux box for $25. Take a byte! FAQs. Table of Contents: The Raspberry Pi is a credit-card-sized computer that plugs into your TV and a keyboard. It is a capable little computer which can be used in electronics projects, and for many of the things that your desktop PC does, like spreadsheets, word processing, browsing the internet, and playing games.
It also plays high-definition video. We want to see it being used by adults and children all over the world to learn programming and digital making. The Raspberry Pi Foundation is a charity, so you can’t buy shares in the company. You can buy a Raspberry Pi from our main distributors, Premier Farnell/Element14 and RS Components/Allied Electronics. The Model A+ costs $20, the Model B+ costs $25, the Pi 2 costs $35, the Pi 3 costs $35, and the Pi Zero costs $5, plus local taxes and shipping/handling fees. You get the Raspberry Pi board itself. The components we buy are priced in dollars, and we negotiate manufacturing in dollars. Not at the current time. Yes. 10. 11. 12. No. No. Arduino - HomePage. Liliputing — Compact Computing. Adafruit Industries. Tutorials.
Video Tutorials Links to videos that cover the Processing basics. Hello Processingby Daniel Shiffman et al.Short video lessons introduce coding exercises that lead to designing an interactive drawing program. Welcome to Processing 3by Daniel ShiffmanWhat's new in Processing 3? Dan walks through the new features and changes. Plethora Projectby Jose SanchezThese video tutorials cover issues of programming and computational design issues in Processing. Text Tutorials A collection of step-by-step lessons covering beginner, intermediate, and advanced topics.