Usually if the unit powers up but wont stay on then it needs the load resistor. I crimped and soldered the wires to the lugs and covered everything with heat-shrink tubing to keep the connections insulated. A bench power supply is an extremely handy bit of kit to have around for electronics hobbyists, but they can be expensive when purchased new. If you must remove it, use a meter to check for voltage on the pins of the largest capacitors. This is, of course, a stupidly dangerous thing to do, as the AC soldered pins might pierce the or touch the DC power plugs, sending a nasty surprise to either myself or my Arduino. 4. (Most PSU's have a smaller orange wire that is used for sensing-- 3.3V- and this wire is usually paired at the connector to another orange wire. How do I create a 17 volt ATX power supply? Ted, Hi, Hi, I made this project. I found a couple different breakout connectors that allow the PS plug to plug directly into them, then user gets all the screw terminals to connect to. Crunchyroll vs. Funimation: What's the Best Anime Streaming Service? My last tutor passed some years ago and it is such a relief to know I can once again study. Does the computer power on? Great youtube video. Do you have a brown wire coming out of your PSU? Thanks to other tutorials on Wikihow and Instructables because I used some of there pictures.This instructable was published quite a while ago and unfortunately I am no longer in a position to provide support for it. The other two pins are GND, and both should be connected. Some online websites you can purchase an ATX power supply include the following: Newegg.com Amazon www.atxpower… Having said that, please feel free to leave constructive comments here. Bill mentioned in the video that the power dissipating resistor used in this project might not be needed. I hope you don’t mind, but I created a 3D model with the panel layout at https://www.thingiverse.com/thing:4628093. This article has 11 testimonials from our readers, earning it our reader-approved status. wikiHow is where trusted research and expert knowledge come together. Merci pour vos explications et vos vidéos super intéressant. These outputs are not intended to be accessible. And, if you're anything like me, you have a stash of old PSUs hoarded away in a cupboard somewhere. Result: visually stable. To me it would seem that they are not suitable for current in excess of 10amps but, as said, I am relatively new to the field and might have made some incorrect assumptions. - Make sure enclosure is adequately ventillated for cooling. as it could result in a potentially dangerous or even lethal situation due to the high voltages inside the PSU if you decide to dismantle it. The green wire acts as a power on switch - simply ground it to turn on the PSU. Please discharge the power supply by letting it sit unconnected for a few days or connecting a 10ohm resistor between the red and black wires.If you hear buzzing when you turn on the power supply it means there is a short or another serious problem. The comment form collects your name, email and content to allow us keep track of the comments placed on the website. In that case, it's better to put a 10 Ohm, 10/20 Watts resistor in series with the 12 V output, in order to not overload the power supply. Just didn't work well at all with many things. It was scary. Also, never, ever use a negative ground on a ham radio, even if it runs on DC. I am using a 500W Power Supply. Added bonus, on-board USB port for charging or power of external devices. Maybe the data sheet will make it clear. The final voltage will be your positive voltage minus your negative voltage: if you have 12V on one wire and 0V on the other, then 12-0=12V and if you have +6V on one wire and -6V on the other, then +6-(-6)=6+6=12. The actual connections from the power supply are as follows: The output voltages are self-explanatory, I’m not planning on using any of the negative ones, but you can if you wish of course. Not stupid just not answered from what I can tell. Remember, there is lethal voltage inside the power supply box and it also has been designed to dissipate heat correctly. 12. For this project i am using an old ATX power supply which has been salvaged from an DELL Optiplex desktop. Simply useful and easy. Any help on this question is appreciated. You are responsible for your own safety!. You can keep the 20-pin Molex connector attached and connect directly into it or cut it off completely and group together the individual wires keeping the same colours together, reds to reds, blacks to blacks etc. Internally that binding post is connected… Read more », Dear Will As its name... Read More, Relays are electromechanical devices that use an electromagnet to operate a pair of movable contacts from an open position... Read More, principles of management and managerial economics, अध्याय – 1 वास्तविक संख्याए प्रश्नावली 1.1 प्रश्न (3), MPSC Recruitment 2018 – 172 Vacancies for Assistant Town Planner, UPSSSC Recruitment 2018- 694 Exercise Trainer/Development Team Officer.

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