Printed Circuit Board

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The Makings of the Printed Circuit Board (PCB)
2009-05-08 03:50:08
These complete instructions on making the PCB is how I made mine. There are many ways to make PCB's now-a-days, but if you would prefer to go a very inexpensive route (or maybe you have never made a PCB before, this method would be a great way to learn using 'Dry Transfers' that can be purchased also at your local Radio Shack store. ), and yet very accurate, the below layout will indeed suffice. From beginning to end, these step-by-step procedures will get you on your way to warm up that soldering iron when the time comes for soldering all of the components on the 'finished' PCB. The first picture below is the PCB template. Print out this drawing first. It should come out exactly like the posted measurements. Measure it to be sure it is, in fact, 116 mm's by 80 mm's. If not exact, send the document to a Paint or Graphics Program and stretch or sqeeze to adjust for said measurements. This is extremely important. Make sure the measurements (length and width) are no more 'off' then 1 mm
How to Make PCBs at Home in An Hour Without Special Materials
2009-05-08 03:49:53
If you take your electronics hobby seriously, I guess you already feel the need for a simple and fast technique for making your own printed-circuit boards (PCB). Here I’m going to show how to make simple single-sided PCBs in a snap, using widely available materials. This technique works reliably for thin tracks down to 10 mils, and is suitable for most surface-mount parts. Here The PCB Making You will like it The best thing about this method is that it makes possible to start with a great idea at 11:00 pm and have your prototype working by midnight. It is so straightforward that you will use it more often than you think. The second great thing is that this method is good enough for larger SMT parts. Actually, once you get some practice soldering, SMT parts are easier to work/experiment with, and don’t require drilling the holes. So far, results are comparable with what I was used to get with UV sensitive boards. The board in this tutorial had 20 mils wide tracks: the word “P
Make a Printed Circuit Board - Manual Method
2009-05-08 03:47:34
To make a printed circuit board with manual method, gather your components so you have their dimensions then on some 1/10 inch graph paper draw their positions and the tracks that are needed pretending you are looking down on the component side of the board. You can print out your own graph paper using free layout software. You will find that most component leads fall on a 1/10 inch grid. If the pins on your components are closer than 1/10 inch you may find that the process of drawing the tracks later on the actual PCB is difficult. Now fix the paper to the component side of the board and mark each component lead hole by using a sharp point. To drill the holes you will need .8mm or 1mm drill bits for most components. Now you need to draw the tracks and you have the holes to guide you but your paper layout is the reverse of what you will see when you are looking at the copper side of the board. My solution is to sit near a window and stick the paper on it so that I can see through it.
Making Your Own Prototype PCBs
2009-05-08 03:44:25
I try to show you one method for creating your own professional-looking PCBs. They say a picture's worth a thousand words, so I used enough pictures and let them do most of the talking. In making my own prototype PCBs, and having tried dozens of different methods, I recommend the method described on this page as the best, both in terms of cost and overall effort. Although the use of a specific unique product is required, this should not be viewed as an advertisement. I have no connection whatsoever with the company mentioned. However, I don't see why a good product should not be talked about for what its worth. I have photographed all the stages of the process for you to look at. Required Equipment: PC with a PCB layout program. Laser Printer. Press-N-Peel (PnP) sheets. Your wife's iron and her full support. If you don't have an iron, get married. Pure industrial-grade Aceton. Copper remover. A pair of scissors. A razor-sharp cutter or knife. Whatever else I might be forgettin
How to Photo Etch a PCB #1
2009-05-08 03:43:38
Step 1 : Things you need! Here are some of the things I used in the process. (Minus the drill, fish tank thermometer, timer, paper towels and various hand tools). Most of the pictures are recreated with water, not chemicals in the house. I DO NOT RECOMMEND ETCHING INDOORS. (This was the first time I’ve tried etching). Step 2 : PCB Design This is my design I made it from  “eagle” with their free soft ware. You can make a board 4” by 3.2” with the free ware. Here is a page trace width that has a trace width calculator to figure out what widths of trace to use for the amperage you want to put through them. Step 3 : Transparence You will need to have a transparence from a PCB program. I took a copy of my image to a local office supply store and had two transparencies photocopied. I did not like how one looked because I could see through the traces, so I taped two together. When making the image, you want to have the printed side down on a board. I made reference to
How to Photo Etch a PCB #2
2009-05-08 03:43:20
Step 6 : Exposing the board I used a 48” flourescent shop light with ‘Day Light’ flourescent tubes in it for the exposure stage. Set the shop light up 5 inches from the top of the board. I used 2” by 4” and some other sized blocking for this. Working in safe light, gently peel off the white coating. Don’t touch the green photo resist. Put it under the florescent light, which is not yet ON. I put the PCB board on top of a piece of melamine board so I could move it around under the light (take account 5” top of the board adjust if necessary). Take your transparence, lay it printed side down. Now your reference word will be the right way around. Take the piece of glass or clear plastic and lay it on top of the transparency making sure everything is lined up the way you want it. If so, turn on the florescent light for ten minutes to expose the board. It is better to overexpose than to under expose. I did it for 12 min. 30 sec. Turn off the florescent light; remove glass w
How to Photo Etch a PCB #3
2009-05-08 03:43:03
Step 11 : Cheat sheet This is a cheat sheet I used. Print it out and take it with you for reference. Step 12 : Installed components Step 13 : Soldered components Step 14 : Conclusion If you are going to do this process, then take a look here. Look at their instructions and at their video of the process. You do not need all of their tools to do it. There might be some different companies that sell this stuff and might have some different mixtures and times. Follow their instructions. As I mentioned before this was my fist time etching a PCB. It was a very simple process to do if you feel comfortable using chemicals - give it a try. If I can do it so can YOU! I would like to thank…. Drew Hickman Robert Stark for all of their help in the process of gathering info on etching and the making of SSR’s. Step 15 : My little helper When soldering the components to build the SSRs and building the control box on holidays, I had some helpers, a mom and two baby deer. They would e
PCB Prototypes
2009-05-08 03:42:11
A PCB is the acronym for Printed Circuit Boards, which are cards or circuit boards that are composed of a very thin flat metal or hard plastic-type board called an insulator. It is upon this that computer silicon chips and other similar electronic components are mounted. These PCBs are then used in electronic appliances like televisions, computers, washing machines, digital cameras, and so forth. A prototype can be considered the first working model of an invention. So in this case, a PCB prototype is the first circuit board that is invented for a new electronic device. By using this PCB prototype in the electronic device, the inventor can see if the prototype serves its purpose in the invention. Once the electronic device is made to function with the PCB prototype, any mistakes that take place can be rectified in the prototype. In this way, the PCB prototype saves the inventor of the electronic appliance lots of money, as any mistakes that may be present in the PCB will be pinpointed
PCB Trace Width Calculator
2009-05-08 03:41:44
Here's a links list for PCB trace calcultor, calculates the trace width for printed circuit board conductors for a given current using formulas from IPC-2221 (formerly IPC-D-275). PCB Trace Width Calculator - This Javascript web calculator calculates the trace width for printed circuit boards based on a curve fit to IPC-2221 (formerly IPC-D-275). Also see the via calculator. ANSI PCB Trace Width Calculator - This page calculates approximations to the ANSI/IPC-D-275 and IPC-2221 design standards for PCB trace width. The approximations and rationale are described in Temperature Rise in PCB Traces PCB Design Information - Some useful information for designing general-use printed circuit boards. - PCB Environment - PCB Base Material - Trace Width Calculator - Trace Spacing  PCB Trace Amperage Chart Image source See more: Printed Circuit Board Software - WinCircuit 2008
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2009-04-01 10:51:42
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