Now I need to wait for my PCB's to arrive from China. Designed for efficient chip ejection, the drill bits have well-ground cutting tips and spurs, and are extra long (between 8 3/4" and 11" overall) for compatibility with a variety of mortisers. If you use EasyEDA online, it can seamlessly upgrade by itself. Do all the connections except Ground. can this be done with easyeda? i'll admit. All transistors should be of the same type and thermallly coupled to one-another to minimize thermal drift. How to make PCB on easyeda EasyEDA - Free Web-Based EDA, schematic capture, spice circuit simulat Placing a ground plane directly under signal traces lowers the. Negative plane layers: Negative image plane layers are often used to create power and ground planes on multilayer PCB layouts. But then, that’s a lot of work and you’re not an artist. I don't see visual differences between a via with NO connection to the ground plane (the bottom side of my board,) and one with connection to the ground plane. EasyEDA Gerber Viewer is a viewer for Gerber RS-274X files, Excellon drill files online, After you upload your gerber file, we will render it as images including a top side and a bottom side photo view. I'm new to PCBs, but found that setting up a ground plane before placing any parts or traces is much, much easier. Use the reverse side as a ground plane; Don't be shy about creating your own parts (this is the PCB Lib function)!. Why easyEDA. Brad - June 18, 2007. 2019-08-19 19:47 6,185 Play Stop Download. easyEDA's spec says. They are for low DC resistance. Trace Width Calculator FAQs Q: Is there a limit to the amount of current this tool can calculate a width for? A: Yes. Multi layer PCB design. Wire wrapping. EasyEDA is a free, zero-install, Web and cloud-based EDA tool suite, integrating powerful schematic capture, mixed-mode circuit simulation and PCB layout in a seamless cross-platform browser environment and you could run it on windows , mac , linux or android platform, as long as there is one browser on the OS and connecting to network. — copper plane handling: copper planes from different nets do not avoid each other, which should be considered a bug, — push&shove router will happily push around my carefully placed differential pairs, breaking their alignment, and NOT TELL ME ABOUT IT (the last part is the worst), — DRC doesn't check diff pairs,. Just a quick one. I decided to just remove the ground plane to fix this but then all the grounds show ratlines which makes them pretty much useless. This tutorial will breakdown what makes up a PCB and some of the common terms used in the PCB world. We will focus on free PCB software introduction next time. Along the way I will tell you what I like and don't like about the program. Is it possible to add to the skin depth calculator the ability to choose different metals? Sorry for bombarding you with questions Thanks for your help, Ori 125. To maximize heat dissipation there are thermal vias underneath the IC and in the ground pour close to the IC to help move heat to the large ground plane on the bottom of the board. The gray color indicates ground. Eagle Schematic Ground >>>CLICK HERE<<< On my eagle pcb I haven't found them. I have solved this differently for every. So for now I am deleting and recreating the area over and over. pdf), Text File (. The EasyEDA 4. Tended Vias on ground plane. The positive traces are routed on top and connections to ground are made with through holes or vias. Therefore you cannot recover files from a crash on one computer or browser by changing to a different computer or browser. Arduino Project Lists :. A colleague of mine pointed out that I could utilize the entire top layer as a power plane instead of a ground plane, which alleviated the need to worry about traces as a whole. 5: A next component various vendors have started to sell kits of the ground. 3V and tie instead to the PWM signal. A good ground plane helps a lot for ground stability as well. We will focus on free PCB software introduction next time. EasyEDA saves these crash recovery files on your computer and not on the EasyEDA server. EasyEDA® Online Schematic Capture & PCB Layout. Some double layer PCBs have a ground layer, where the entire bottom layer is covered with a copper plane connected to ground. and that they will mess with the scope catching a clean signal on the FET CH1 is of the U4 100khz sqr-wave signal that drives the gate of Q2. com uses a Commercial suffix and it's server(s) are located in N/A with the IP number 104. I recently designed my first 2 PCBs. The gray color indicates ground. Hi, since I’m thinking about upgrading my ground station with a 70cm antenna, I decided try designing an antenna diplexer. They do great work at a very low price with quick turnaround and reasonable shipping time. In this PCB, the terminal where negative DC power is connected to the PCB serves as the central ground point. easyEDA is a 100% free Cloud based CAD tool for designing professional level PCBS with built in PCB ordering system. I have solved this differently for every. :P [15:22] you don't just route signals all over four layers. Thanks Allan, yes, ground plane on underside of board, 868MHz LoRa. Ground Plane, Polygon PCB - Duration. matland: I had a client, old mansion now offices on a horse farm- rolling hills, pastures. I don't believe a heatsink is required as the dissipated power is much lower and will be dispersed via the ground plane on top and bottom of the PCB. We have a few small things to get in the ground and today is the last day weather will permit. The moving yellow dots indicate current. Because of the browser's performance issue, EasyEDA doesn't support the real-time copper pour, after PCB modifying, please rebuild copper area via Hotkey Shift+B. The Gerber Artwork Translator can translate artwork directly from circuit layouts created with Advanced Design System into Gerber format. The DC gain of the detector is about 25X (estimated by multiplying the voltage drop across the collector load by 38). DO NOT simply short it to ground. I have two questions about via connections to a ground plane on the bottom layer of a 2-layer board. Over the next few pages, we'll discuss the. 3V power plane on the second inner layer. Both have a 5v copper plane on the top layer and a ground plane on the bottom layer. com/ In this video we build on the project we created in the first two videos and design the. Creating Schematic with easyEDA,Transistorized PCB Project 555 based PCB Project PCB Design tools. You initially need to ensure that the ground plane is complete, i. Other features include the creation of a Bill of Materials , Gerber and pick and place files and documentary outputs in PDF, PNG and SVG formats. I use short traces and vias to connect top components to the ground plane. It is located at the end of the GPIO bus and there is a ground next to it. I am designing a four layer stack up PCB having nrf52832 SoC with chip antenna (2450AT18B100 Johanson Technology). 62 each for five pieces and they actually sent me six boards. These boards (2 layer) took about four days to fab with two week standard (cheap) shipping. 46 Comments. Or, if you don't like glue, solder a short wire from tab to ground plane. com uses a Commercial suffix and it's server(s) are located in DE with the IP number 104. pcb layers related issues & queries in ElectronicsXchanger. Or, if you don’t like glue, solder a short wire from tab to ground plane. Arduino Project Lists :. Found 1118 projects which are related to "creating+a+ground+plane" 你现在访问的是EasyEDA海外版. I have found various sites on the intertubes of people who have already built their own. Standoffs you can find on eBay, just search for "M2 brass 10mm". Also, I can't seem to find the footprint for this type of potentiometer, so I had to use one with a really long handle. When I got started with PCB design two years ago I subscribed to Altium Designer, for $100 / year as a student. Ground Plane, Polygon PCB - Duration. You may have noticed a pattern developing here. If you're at the point of making your own PCB, the best stepping stone is to use one of the online PCB manufacturers such as EasyEDA who make it easy for you to get your PCB made. With EasyEDA, powerful schematic capture, mixed-mode spice simulation and PCB layout are made in your web browser. A commonly used rule of thumb is that the ground plane should extend twenty times the height (H) of the signal traces or power plane over the ground plane. Another little application written to help aid in vertical antenna construction. What gives? I threw this layout together, and have since realised it can be done on a single layer :P. One of the key concepts in electronics is the printed circuit board or PCB. Photo view of PCB front side Photo view of PCB back side. Designing a "wearable watch" which contains multiple functions. Ground is not an ideal conductor. EasyEDA is a cloud-based EDA tool suite which supports open source and working collaboratively. En este tutorial enseño a cómo diseñar un PCB en Circuit Design Suite 2013 de National Instruments (Ultiboard), empleando redes y el ground plane. You initially need to ensure that the ground plane is complete, i. com reaches roughly 745 users per day and delivers about 22,341 users each month. call them 1 and 2. Let’s be frank: We’ve made a lot of mistakes over the years. As this package doesn't have a thermal pad around 40% of the heat will dissipate through the pins, so there are large pours connected to the ground pin and Vin pin. Ground is not an ideal conductor. Ground is not ground. 88 and it is a. To turn a switch on or off, just click on it. While we're at it, I also ruined a plank of wood when I tried to plane it down from 17mm down to 15. Ausência de condensadores nas alimentações dos ICs (a menos que tenha SMD no backside, mas seria estranho com tanto componente TH). Was thinking of RF avoidance. The solder mask was also offset on one of the boards, revealing parts of the ground plane copper that was not supposed to be exposed. To maximize heat dissipation there are thermal vias underneath the IC and in the ground pour close to the IC to help move heat to the large ground plane on the bottom of the board. Why do you think a ground and a VCC plane are inferior to using two ground planes? With good decoupling, a VCC plane should have the same HF benefits as a GND plane. your component ground side pads from the ground plane. We will offer direct PDF file download link. Then a very simple Schematic is created as followed. If this is being done in time for the conference you need to get it designed, made and soldered in 4 weeks. Pest and Lawn Ginja 1,077,992 views. In the next few weeks I'll be reporting about my new project of building a Minimoog Replica. 46 Comments. DO NOT CONNECT FROM CENTER TO CENTER ! <-this is the cause of the failure. One of the key concepts in electronics is the printed circuit board or PCB. This reduces noise overall and gives a more consistent reading. Use the reverse side as a ground plane; Don't be shy about creating your own parts (this is the PCB Lib function)!. Ground is not an ideal conductor. If you’re routing a trace from one side of the PCB to the other and need low inductance or resistance, use multiple vias. EasyEDA is a free and easy to use circuit design, circuit simulator and pcb design that runs in your web browser. Familiarize yourself with EAGLE's Project. Beginners guide to PCB design with EasyEda Part 1. Also, at the time, I. You can set the net for the plane zone. The gray color indicates ground. Zrobiłem sobie gerbery i co dziwne na tych warstwach zaznaczone są tylko miejsca gdzie NIE ma być miedzi. I am using the calculator posted by ElCaron in post #43 which suggested FR4 was 4. Canvas Attributes. if you touch the center of the pads with the line or fill the router can't. Designed for efficient chip ejection, the drill bits have well-ground cutting tips and spurs, and are extra long (between 8 3/4" and 11" overall) for compatibility with a variety of mortisers. Let’s be frank: We’ve made a lot of mistakes over the years. Always place the resonator as close to the AVR as possible and shield the resonator by surrounding it with a ground plane. This is all to be expected from any importing software. Since your antenna is going to be off-board the placement of your plane shouldn't matter here. pcb layers related issues & queries in ElectronicsXchanger. Złącze pod kondensator w rastrze 5. Previously I've been using ground plane pours in Eagle to connect ground points and also to surround lines that I feel. Via Size and number. Only 2 layers, no dedicated ground plane layer. 그라운드를 제외한 주요 배선은 Back 레이어로 몰아 넣었다. Кино; Авто/Мото; Животные; Спорт; Игры; Приколы. The learning curve of easyEDA is shortest if you compare it with any other tool and it has a wide variety of readily available pcb footprints for almost every single component as well as customized modules. The positive traces are routed on top and connections to ground are made with through holes or vias. Featured on All3DP! This 7 Segment LED clock was designed to be almost entirely 3D printed, with the exception of a few fasteners and of course, th. Some CAD tools require clearances built into pad and footprint shapes for drilled holes in a negative plane layer. The third ground plane for the delay-on circuit is at a larger distance from the other two just to make sure it does not interfere in any way. Multi layer PCB design. It’s time for the oddly therapeutic part of designing a PCB … laying out the board. Only the CP2102's TXD and RXD go anywhere, as shown in white (GND goes directly to the ground plane and is shared all over). Hey guys, in this post I will show you how to make flight controller with Arduino for drone or quad-copter. If you have an oscilloscope, you can check the power lines when you're running the motor and check if it contains any significant noise. Eine SEHR geglückte Einführung:. The learning curve of EasyEDA is shortest if you compare it with any other tool, and it has a wide variety of readily available PCB footprints for almost every single component as well as customized modules. Just open EasyEDA in any HTML5 capable, standards compliant web browser. I plan to do a revision eventually to try and bring the size down to 100mm square, implement a ground plane, and make several changes to a less universal, more "classic" style, with basic self biased concertina, regular individual cathode bias resistors on the output stage, and maybe even a differential splitter version. Ook is het net wat makkelijker om onbedoeld kortsluiting te maken. EasyEDA is a free and easy to use circuit design, circuit simulator and pcb design that runs in your web browser. Don't know why someone shouldn't give it a try. Extrude 2 pillars from the cover to hold the PCBA down when the cover is fitted. I connected the positive rail to pins 1/2 of the extension pad and ground to 7/8. To make routing easier I put a copper pour on the top being a ground plane. The input and feedback loop traces are routed over the signal ground plane. 2mm, which (as far as I understand) is enough to support frequencies in question. Since those are the most used connections in this project, it saves me a lot of traces. They are a great help. Some CAD tools require clearances built into pad and footprint shapes for drilled holes in a negative plane layer. 8 so I took the mid point. 46 Comments. com which is a totally web-based design tool, i. 30 each for 30 pieces and they actually sent me 31 boards. I have tweaked the design to get a ground plane and will look at bigger traces, they are 0. There’s supposed to be a keep-out area under the WiFi module and also under the USB connector to ensure there’s no interference from the ground plane. If what you have on hand is the TO220 LM7809 (or any voltage from 5v to 9v), it will fit in there nicely as well. FreeNode ##electronics irc chat logs for 2017-07-31. It’s pretty tiny so a 4 layer board made the whole job easier. Circuit simulator and PCB design software - EasyEDA Download software 1/4 Wave antenna with ground plane - Windows and Linux Version Soldering Tutorial Part 3 - Surface Mount - SMD Component. A quarter-wave ground plane antenna has a radiation pattern that produces the maximum gain at about 25 degrees and half-wave antenna drops to 20-degree angle, and wave antenna 5/8 further drops to 16 degrees angle. The domain easyeda. You can just use KIcad or some free online PCB design software like Easyeda, with free design software and $4. Both have a 5v copper plane on the top layer and a ground plane on the bottom layer. Online simulations. This DC jack came from some old device, I simply cut it out along with its PCB. Place power/ground via near power supply pins of IC, so get the power supply path short. You did this on autoroute which is never the best way. if you touch the center of the pads with the line or fill the router can't. The positive traces are routed on top and connections to ground are made with through holes or vias. Other features include the creation of a Bill of Materials, Gerber and pick and place files and documentary outputs in PDF, PNG and SVG formats. This should reduce the noise in the amplifier ground plane to minimum. Ausência de condensadores nas alimentações dos ICs (a menos que tenha SMD no backside, mas seria estranho com tanto componente TH). Don't know why someone shouldn't give it a try. Since the power ground carries high currents and the signal ground carries low currents, they’re kept separate until they connect at the main system ground. There is provision for a TPA6139 headphone amp as well. The key is that you can set units in PCB canvas attributes. Cuts in the ground plane sending motor return current under your sensitive analog components defeats the shield idea. 30 each for 30 pieces and they actually sent me 31 boards. 2-METER 147 MHz 1/4 Wave Ground Plane Antenna Portable and Easy to make. Assembly is not critical and mine was built on punched fiberglass board without a ground plane. This can be accomplished using a star ground. Only 2 layers, no dedicated ground plane layer. I have solved this differently for every. Take care to route noisy grounds away from signals that need to be quiet. The next photo shows the tended Vias on the ground plane. In this instructable, we'll make a printed circuit board from that schematic I guess I should say that we'll make a PCB DESIGN; making the physical b. If you are using one of these pcb design software tools, make sure that your pad and footprint shapes. It's a good time to see firefly squid in Japan. To tak powinno być ? Wydaje mi się że nie ;). I connected the positive rail to pins 1/2 of the extension pad and ground to 7/8. We used the following principle found on the AN3192 application note to calculate the tilt-compensated heading value. These boards (4 layer) took about four days to fab with two week standard (cheap) shipping. Ground is not ground. Will it work, i have no idea. Ground Layers. 60 for 5 bottom pieces $45. EasyEDA aims to bring every electronic hobbyist an easier EDA experience. The amplifiers no longer need to sit near the transformer and can be mounted on the panel. After the initial conversion of a schematic to PCB, it is time to learn how to manage EasyEDA's PCB Design Editor. Only the CP2102's TXD and RXD go anywhere, as shown in white (GND goes directly to the ground plane and is shared all over). Placing a ground plane directly under signal traces lowers the impedance of the traces, which is ideal. need a second eye to make sure It won't be 160 days!! I made it On EasyEDA! Also, I'd use a ground plane, probably on the bottom, to make. Appropriately Use the Ground and Power Planes. Now select Copper Area tool from PCB Tools menu and draw around the board. Found 1118 projects which are related to "creating+a+ground+plane" 你现在访问的是EasyEDA海外版. The flight controller is a device used to control multi-rotor vehicles such as quad-copters, drones, etc. Use the reverse side as a ground plane; Don’t be shy about creating your own parts (this is the PCB Lib function)!. This is a follow-up question of PCB layout for SOIC packaged op amp which goes back to an article by John Ardizzoni from AD (can't put the link in here as I'm new to this forum and limited in links. Other features include the creation of a Bill of Materials , Gerber and pick and place files and documentary outputs in PDF, PNG and SVG formats. I really need to find a manufacturer close to the price of SEEED for small runs (10-50 boards) that can do blue PCB colors. Here is a typical location message, note we know the air-frame and the altitude, latitude and longitude as reported by the plane. It's not the same antenna design but it show having the antenna sticking out is the best solution, else you should but as close as possible to the edge and of course keep ground plane and traces as far as possible. There are a number of them out there, but the one I ended up using was easyeda. And here is how it looks like at the end. Then, select the other layer from Layer menu and continue the trace starting from the via. Ah that problem. Be careful to avoid placing fine traces near the edge, too. The boards cost me only $11. What sort of software do you use for PCB design? I've been using Eagle for some of my projects, but the board size limit is annoying, and I understand the licensing on the free versions prohibits. Perfect companion for Kradex Z59 enclosure. It's pretty tiny so a 4 layer board made the whole job easier. They should be like 5mm x 5mm. This will create a ground plane and the remaining ground connections will be made automatically. I use short traces and vias to connect top components to the ground plane. DO NOT simply short it to ground. What gives? I threw this layout together, and have since realised it can be done on a single layer :P. The EasyEDA 4. and they're a chunk more expensive to produce [15:22] but on two layers it's easy to cross signals and stuff [15:23] doing double sided yourself is also easy [15:23] less easy than single sided [15:23] alignment and vias are a pest [15:23] and four layer boards is way easier than two. This breakout board brings out all pins except port R (but instead adds footprints for a 1206 crystal) and the analog Vcc and ground (hooked together with bypass caps to digital Vcc and ground). Wire wrapping. com but on Monday I. The best part is, it’s expandable!. Canvas Attributes. Rapid PCB Generate G-Code from Eagle PCB layouts (or other programs that export Gerber RS247X signal files and Excellon drill files) for milling on your CNC machine. Select the top copper (1) layer. The usual way to handle something like this is to separate the components into digital and analog (maybe with "high power" as a third section) and have each one on its own ground plane, with the grounds connected at only one point. I recently designed my first 2 PCBs. I did some ground plane stuff by modifying the generated postscript file which is pretty hard core. Tools from EasyEDA include circuit simulation using Spice, pcb design, electronic circuit design and now RS-274X (gerber) and Excellon gerber viewer, all are free. Vias have inductance and resistance. To use the headphone amp, install jumpers A-A, B-B, C-C and populate U6, C5,6,7,11,20, R7 and JP3. parking management system project using pic microcontroller parking management system, we aim to create a smart parking system which will not only calculate the total capacity for cars in the. I decided to just remove the ground plane to fix this but then all the grounds show ratlines which makes them pretty much useless. You can also use just one wire folded over, that will make two strands. Could you tell me if that is an issue? Should the connection to an components VCC and GND and to the caps VCC and GND be a closed loop, or can you use the ground plane in there? and have only direct connections between VCC's. The next photo shows the tended Vias on the ground plane. This video covers the most basics of pcb design from a complete newbee's perspective. The back-plane has 5 standard slots. I have two questions about via connections to a ground plane on the bottom layer of a 2-layer board. com EasyEDA is a free and easy to use circuit design, › Symmetrical plane. Importance of a ground plane of a PCB? It seems to be kind of basic question but I would like to give my points on that. Thanks for Watch. Please account for the additional time when planning the build time for your order. Now select Copper Area tool from PCB Tools menu and draw around the board. 그라운드를 제외한 주요 배선은 Back 레이어로 몰아 넣었다. I'm not sure if the text should be mirrored on the bottom layer of EasyEDA. WiFi Antenna. The PCBs were made with KiCad and they pass DRC. EasyEDA is a web-based EDA tool suite that enables hardware engineers to design, simulate, share - publicly and privately - and discuss schematics, simulations and printed circuit boards. We share our top 46 PCB design software tools for electronics engineers here, in no particular order. Four and a half years ago, I wrote a mini-review of Eagle vs. Via Size and number Vias have inductance and resistance. Appropriately Use the Ground and Power Planes. So for now I am deleting and recreating the area over and over. I concluded that while KiCad had lots of promise, it was too full of quirks and bugs to recommend, and Eagle was the better choice for most people. In my last post I covered the schematic design and so we now have all the components required for a 16-bit register captured in my design program of choice (EasyEDA) along with how each component is connected to everything else. Ground planes provide a common reference voltage, shielding and help reduce stray inductance (though they contribute to parasitic capacitance) as well as help to dissipate heat. The schematic and footprints of the components have already been uploaded only the double sided pcb with tracking has to be designed. In this lesson, we continue on with creating a board design with the schematic we created in the last several lessons. A red color indicates negative voltage. You can elect to use a different mounting strategy for the crystal, but I elected to use what I thought was the simplest and most electrically stable. There are thee main components involved in this project as follows:The Yaesu FT-450D is a modern compact HF/50MHz transceiver capable of co. Ground is not ground. Ground Plane, Polygon PCB - Duration. Big mistake! I've used Putty in the past, not a problem. I use short traces and vias to connect top components to the ground plane. Make ground traces large enough to carry the currents that will flow. Grid i Unitats: mm, mil, inch. Connection to my computer on the right-hand side because the expansion connector on that board is on the left On the left hand side of the back-plane is an extension header, meaning in theory, multiple cards can be added in a chain. Thought iWrap was customized over SPI not UART. Posted in LED Hacks Tagged easyeda, eda, led, LED cube, panelization, pcb, Printed Circuit Board. So why not just keep extending the antenna to one full wave?. EasyEDA is a free and easy to use circuit design, circuit simulator and pcb design that runs in your web browser. Remember the whole point is to keep digital current flows from going near any analog routing. But nice placement man, it's all practice. They layout examples were very helpful. A 4-layer PCB design was chosen so as to have a very solid, low impedance ground plane as well as proper power and signal planes. EasyEDA is a web-based EDA tool suite that enables hardware engineers to design, simulate, share - publicly and privately - and discuss schematics, simulations and printed circuit boards. I am designing a four layer stack up PCB having nrf52832 SoC with chip antenna (2450AT18B100 Johanson Technology). 2-METER 147 MHz 1/4 Wave Ground Plane Antenna Portable and Easy to make. Essentially, a ground plane is just one big chunk of copper that's connected to ground on both sides of the PCB. The standoffs interfere with the PCB. The PCBs were made with KiCad and they pass DRC. I had a design where a small ground-plane necked down to 10-mil at the very edge of the board on its way to a color LED. In my case, it was a bit more complicated, because I needed to keep squid’s eyes copper-free on both sides. com was $22. And 5V copper pour at the bottom. Board layout has been completed and a prototype order placed with EasyEDA. Poprawione połączenie pól GND z ground plane (teraz całość lutuje się jak marzenie) Lepsze opisy, logo NAM, opis pinów Wemos, z których korzystają czujniki; Wyprowadzenia: Złącza (od góry, od lewej do prawej): LCD I2C - złącze I2C 5V pod ekran LCD 4x20. If the grounds are joined, I don't think you'll gain anything with an optocoupler. I don't believe a heatsink is required as the dissipated power is much lower and will be dispersed via the ground plane on top and bottom of the PCB. How to Design a PCB easily with EasyEDA & JLCPCB - Complete Tutorial. Keystrokes from the terminal are are received through the RS-232 connection and sent through the 100 MHz RF data channel. To get the best noise performance you really need a PCB with no digital signals in the analog portion and a solid ground plane under the ADS1232 and analog components. I believe most software for ECAD offers similar capabilities. Placing a ground plane directly under signal traces lowers the impedance of the traces, which is ideal. Big mistake! I've used Putty in the past, not a problem. 3V power plane on the second inner layer. Ground planes provide a common reference voltage, shielding and help reduce stray inductance (though they contribute to parasitic capacitance) as well as help to dissipate heat. EasyEDA is an online circuit and PCB design tool: do it all in your browser. The key is that you can set units in PCB canvas attributes. Placing a ground plane directly under signal traces lowers the impedance of the traces, which is ideal. I had these cards fabricated in China at a company called EasyEDA. Those antennas that emits RF waves that are parallel to the ground is known as Horizontally Polarised WiFi Antennas and those that emits RF waves perpendicular to the ground surface is said to be Vertically Polarised WiFi Antennas. There are certainly other free and terrific CAD Design software application avaiable for download (KiCAD, Fritzing, EasyEDA, Pad2Pad to name a few) but until the major suppliers switch, we'll stick to Eagle, too. To tak powinno być ? Wydaje mi się że nie ;). Adding Ground Plane, Placing Jumper Export PCB for hand making Double Sided PCB Design. Use the reverse side as a ground plane; Don't be shy about creating your own parts (this is the PCB Lib function)!. Ground plane. Get Guides,Tips,Tricks And Information Related To Raspberry Pi© Sean http://www. and the PCB can be mounted either on top of the projector, or underneath. [Altium Designer] Power plane i ground plane. Take care to route noisy grounds away from signals that need to be quiet. I'm not sure if the text should be mirrored on the bottom layer of EasyEDA. You know, Howard I did read that but hadn't thought about it.