jimbartlett Posted February 25, 2008 Share Posted February 25, 2008 Hi, Has anyone made one of these? I want an on/off switch to use on my rack tuner. I am sure it wouldn't be that hard to make one and Maplin is so close to my work!! Would anyone be willing to share their knowledge of how to make one and what I would need? Thanks in advance, Jim. Quote Link to comment Share on other sites More sharing options...
BOD2 Posted February 25, 2008 Share Posted February 25, 2008 Dead easy. "Latching" just means it works like an ordinary switch (e.g. a light switch) so that the switch changes from one position to another and stays there until you switch it again. This is different to a "non-latching" switch which switches over then changes back again when you release the switch. You can buy latching footswitches pretty cheapy - there's not much to them. Might be worth checking that first and then adding up the cost of the bits you'd need to make one. To make one you'll need - 1 x Latching foot-operated SPST switch 1 x 1.4 inch jack socket 1 x metal box to put them in 1 x length of cable (mains cable will do the job) 2 x mono jack plugs (assuming the rack tuner uses a jack plug for footswitch input) The idea of the switch is that you are switching the two wires in the cable so that they're either connected together or not. The SPST footswitch usually has 3 contacts. Connect one wire from one contact of the jack socket to the centre contact on the switch. Connect another wire from the other contact of the jack socket to either of the other contacts on the switch. Leave the 3rd switch contact disconnected. That's it really. Edit - here's an example [url="http://www.imusician.co.uk/musicstore/s24180/0/Keyboard-Accessories/BEHRINGER/Behringer-AB200-Dual-A-and-B-Switch/details.aspx"]Behringer AB200[/url] that has two switches in one unit for less than £ 16. Quote Link to comment Share on other sites More sharing options...
jimbartlett Posted February 25, 2008 Author Share Posted February 25, 2008 Excellent! Thank you for your reply, I will give that a go! Cheers, Jim. Quote Link to comment Share on other sites More sharing options...
BOD2 Posted February 25, 2008 Share Posted February 25, 2008 Quiet at work today....here's a simple diagram for a basic footswitch. [attachment=5937:Footswitch.JPG] You can get more clever and add a battery powered LED to show which way the switch is connected. To do that ypou need a DPDT switch, an LED and load resistor, and a battery clip. [attachment=5938:Footswitch2.JPG] The value of the resistor depends on the LED but you can usually find a little formula that allows you to calculate this where you buy the LED from. Note that the footswitch will still work without a battery - the LED just won't come on. Quote Link to comment Share on other sites More sharing options...
jimbartlett Posted February 25, 2008 Author Share Posted February 25, 2008 That is brilliant! Thank you very much! Quote Link to comment Share on other sites More sharing options...
King Tut Posted February 25, 2008 Share Posted February 25, 2008 Maplins sell one for about a fiver - no LED though Quote Link to comment Share on other sites More sharing options...
jimbartlett Posted February 26, 2008 Author Share Posted February 26, 2008 [quote name='King Tut' post='147028' date='Feb 25 2008, 11:54 PM']Maplins sell one for about a fiver - no LED though[/quote] I'll check that out too. Thanks! Quote Link to comment Share on other sites More sharing options...
warwickhunt Posted February 26, 2008 Share Posted February 26, 2008 I bought a Yamaha one from SC for less than a fiver and it's really well constructed. I'm guessing by the time you factor in the parts and the time you'll spend doing it, buying one from any of the outlets mentioned would be cheaper. Just a thought, have you tried Thomann? Quote Link to comment Share on other sites More sharing options...
jimbartlett Posted February 26, 2008 Author Share Posted February 26, 2008 Yes, you have a good point. On the other hand, I could build a custom one to suit my board/style (cue artistic thoughts of skulls, knives, blood and naked women...!). I did have a look on Thomann and the cheapest I found was an H&K one for about £15 + postage. Quote Link to comment Share on other sites More sharing options...
OldGit Posted February 26, 2008 Share Posted February 26, 2008 +1 on the status light .... You don't want to be looking round to your amp to see if your mute is on or off... Build it so that the status lamp is off for most of the time (ie whatever you default setting is) and use a quick release battery holder such as these from Axesrus (they are ony £4.20 inc postage) You'll thank me when your battery goes between numbers and you don't have to find a screwdriver Quote Link to comment Share on other sites More sharing options...
jimbartlett Posted February 26, 2008 Author Share Posted February 26, 2008 [quote name='OldGit' post='147111' date='Feb 26 2008, 09:43 AM']+1 on the status light .... You don't want to be looking round to your amp to see if your mute is on or off... Build it so that the status lamp is off for most of the time (ie whatever you default setting is) and use a quick release battery holder such as these from Axesrus (they are ony £4.20 inc postage) You'll thank me when your battery goes between numbers and you don't have to find a screwdriver [/quote] Blinding thanks. I have just come up with an idea about the LED's...... If I get two which light up, I can make them the naked lasses nips! Quote Link to comment Share on other sites More sharing options...
OldGit Posted February 26, 2008 Share Posted February 26, 2008 [quote name='jimbartlett' post='147121' date='Feb 26 2008, 10:06 AM']Blinding thanks. I have just come up with an idea about the LED's...... If I get two which light up, I can make them the naked lasses nips! [/quote] so what will the socket look like? Quote Link to comment Share on other sites More sharing options...
BOD2 Posted February 26, 2008 Share Posted February 26, 2008 Maybe we'll have to start a new forum - "Pedal Porn" ? Quote Link to comment Share on other sites More sharing options...
jimbartlett Posted February 26, 2008 Author Share Posted February 26, 2008 Stop it!!! You lot are starting to put too many ideas into he head!!! Quote Link to comment Share on other sites More sharing options...
OldGit Posted February 26, 2008 Share Posted February 26, 2008 [quote name='jimbartlett' post='147151' date='Feb 26 2008, 10:44 AM']Stop it!!! You lot are starting to put too many ideas into he head!!! [/quote] How about a Kylie shaped pedal? Quote Link to comment Share on other sites More sharing options...
cheddatom Posted February 26, 2008 Share Posted February 26, 2008 One big kylie shaped dirt pedal - in through the mouth, out through the ass and 9vdc input..... I'd love to kick her in the face every time i'm turning on my filthy distortion. Quote Link to comment Share on other sites More sharing options...
jimbartlett Posted February 26, 2008 Author Share Posted February 26, 2008 Ah....little Kylie..... :wub: Quote Link to comment Share on other sites More sharing options...
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