Step 4: Assuming you have inserted all your switches into your PCB and the plate, make sure all the switches are completely flush against the PCB. The rosin is there to break down the oxidation on the contacts. You can read the manual for your kit to see where those switches need to be placed, or you can use keycaps to space the switches properly. For soldering electrical components into … I make content about tech and keyboards! Your health is important and comes first before any DIY project. For fun, I took a USB keyboard apart as I'd like to use the keyboard circuit board without the actual physical keyboard. How To Build A Mechanical Keyboard in 2020! Any other tips would be greatly appreciated! If you are lucky enough to have access to an automatic desoldering gun this will make removing solder much easier, but they are in no way necessary and are quite expensive. We suggest you use a 0.70mm gauge solder as it is the sweet spot for soldering mechanical keyboard switches however a 0.50mm or 1.00mm solder diameter will also work. Instead, these solders consist of a solid wire comprised of the solder alloy or material. The switch may not be damaged but sometimes it’s easier to chuck another fresh one in there just in case. I'm a beginner at this so which would be easiest for a beginner? It flows smoothly and is easier to desolder. As Tom Hartley (the creator of the AirPi) notes, “we’ve had many people learn to solder using the AirPi kits!”. Test it with a multimeter by putting it into continuity mode. Once you have finished soldering all the switches you can use https://www.keyboardtester.com/ to test your keyboard once more. I highly recommended these solder suckers: These two are the go-to tools for myself and the vast majority of the mechanical keyboard community due to their high quality design and robustness. Desoldering braid can also help with desoldering. Be sure to pick up a solder fume extractor. When you solder, put the iron on the back of the switch's pin (from your point of view). Once you have checked all the switches are flush against the PCB, then you can turn on your soldering iron. Soldering is all about practice and if you follow this guide you will you will be equipped with all the knowledge you require to begin soldering like a pro. Your soldering iron is very hot so ensure that you never touch your soldering iron! Be sure to join our discord with 100s of valuable members willing to help! A solder sucker doesn’t need to be expensive: The ones that cost a couple of dollars are already good enough. Kester, Multicore, Duratech and many quality brands exist. I'm looking to order some solder for my first build and was wondering which soldier I should pick up. Ingesting even trace amounts of lead is not good for you. In total you should be on each switch for. Step 6: Using your brass, brush the soldering tip a few times to clean it. If this happens, please do not worry. In the event that you have a bad joint you will want to use a solder sucker or pump to remove the solder from the joint so you can start again. The awesome thing about them all is interchangeable tips and you can get many different compatible tips for whatever soldering purpose you require. Step 5: Turn on your soldering iron and set it between 330-360°C. Put into basic terms, soldering is the process of melting … Most important tip IMO is to use a brass tip cleaner, I second the tip cleaner. Since you have a soldered in PCB, LET’S LEARN HOW TO SOLDER! As with most soldering, a chisel tip and a temperature adjustable solder station (like a Hakko or Weller) is recommended. I use Kester 60/40 0.031" for everything. Being able to solder and desolder a keyboard is a valuable skill that can translate into lots of other areas in your life. You don’t master it the first time, because I know I didn’t! If it beeps or shows ‘0’ it means the switch and your soldering has worked! Your solder does not have flux, so it is not joining with the metals easily. Save the other switch as a backup. Press J to jump to the feed. There are cheaper options but it is clear that they either result in more difficult soldering attempts (due to quality) or bad soldering joints. Many of the ‘pros’ believe over 350*C is too high, it’s not. Therefore, the best advice on the type of solder to use as the best circuit board is any solder that is lead-free and with a flexible resin core. Do not hover as you won’t get heat onto the joint which is the whole point of soldering. To do this you simply need to reheat the joint with your soldering iron with a temperature of around 380-400*C. We need the solder to be hotter because the air used to suck it out will cool it down. This type of solder has a melting point of around 190 °C. If it’s cold, a higher heat will help you. When you're done, the hole should be completely filed and the solder joint should be shaped like the top of a circus tent. For example you can have a larger space key or split shift, etc. Use a fan or a fume extractor to remove any smoke that is produced when using the soldering iron. 1 x Soldering Iron Stand. Soldering (pronounced “soddering”) involves a material called solder that melts when placed on a hot object; the melted solder cools and forms a bond between two items. Thanks! They are extremely common and general purpose, you can find them on Mouser, Digikey, Ebay or even Amazon. A solder sucker is a cost-effective and efficient way to desolder switches from a keyboard. Solder is of course used in plumbing. Soldering kits can be bought very cheaply off eBay too. The second one is to remove the USB port altogether and to solder the USB cable directly to the electronics of the keyboard. It interfaces nicely with Github for versioning, and outputs JSON which can be used to as the design for your case. You can also use leaded 60/40 (60% tin, 40% lead) rosin core solder but it’s becoming less popular due to health concerns. 1 x Temperature Adjustable Solder Iron: It has an ON/OFF switch and the c ontrols are on the handle. Each kit has a different layout. Be sure to subscribe to if you want to make your keyboard even better! Do this for every switch pad which looks like this. How to Select the Right Solder . It uses air to suck the solder out, so the solder must be hot for it to come out. Links to many of the aforementioned tools can be found here: https://jujucables.com/product-category/tools/. l. Misc tools. Before we begin you will want to test your PCB to make sure all switch sockets work. Plug in the USB Cable into the PCB so we can test it. Usually these impurities appear after you solder a few switches. Solder may also be used for a process similar to soldering called brazing, which requires its own special material and higher temperatures than soldering. Bertech ESD Soldering Mat Kit, 18 Inches Wide x 24 Inches Long x 0.06 Inches Thick, Blue, Includes a Wrist Strap and Grounding Cord, RoHS and REACH Compliant (Assembled in USA) If you can’t see it or you have a blob, then you have put too much solder, or it could be the following reasons: Step 9: If you have done everything correctly you can quickly test the switch with a multimeter. Be careful, but also HAVE FUN! Desoldering is hard to explain on text so if you have any issues be sure to watch my two videos here on how to desolder! If the solder isn’t flowing properly, then don’t continue to apply loads of heat because you could break something. You simply wipe the tip against the brass ball to remove the impurities, tin the soldering iron with solder again and keep going! 1N4148 through hole diodes, one for each switch. I'm not an expert but I think any solder will work for switches, just get a solder with flux core for the ease of use. Acid core and rosin core solders are characterized as flux filled solder or self-fluxing solder. Safe Water Drinking Act prohibits the use of leaded solders on lines carrying drinking water. Low wattage (15-40 watt) soldering irons work best for soldering components on circuit boards while more powerful (60-140 watt) soldering irons work well joining thicker materials like braided speaker wire. We suggest you use a 0.70mm gauge solder as it is the sweet spot for soldering mechanical keyboard switches however a 0.50mm or 1.00mm solder diameter will also work. The cheap … Optional tools that may make your life a little easier: Now that you know what tools you will need let’s go into a little more detail about the different tools and what specifics you will need: Obviously for soldering you will need a soldering iron. 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Time, because I know I didn ’ t let this put you off say 60/40, some 63/37 however...
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