![]() If revised in future I will change this to another pin. This is because I used pin 13 which is the pin for the built in LED. LED for Channel B-2 will remain on dimly at all times.See the Layout-1032L branch for the changes I used. Using a 4 in line enclosure you will either need to adjust the output pin order, or you will have to use some non-optimal wiring. My build used a 1032L, though a Hammond 1590BX is similar in size, though shallower, and will probably work well too if care is taken to fit the PCB. The PCB was laid out with a 1590BB in mind. I used JLCPCB in China to manufacture the boards. The files to make a board can be found in the /GerberFiles folder. Normally a 2 button latching foot-switch is used, one switching channels and the other switching banks. This is something I may address in a future iteration. KatanaSwitch is the Arduino firmware code for a basic 4 button foot switch for the BOSS Katana 50 amplifer. This is 76x36mm in size, so is a bit awkward to fit in some enclosures with the switches and LEDs. Use an LED Calculator, the supply voltage will be 5V, the forward voltage and current will depend on your LED, check the datasheet.Ī PCB design is available for convenience as used in my own pedal. R1 220Ω - Current limited Resistor (CLR) Channel 1*įor resistors R1-R4 you may need to change the value dependent on your chosen LEDs.Note: On the Arduino Nano used pins A6 and A7 are analogue input only and will not function in digital mode as either an input or output. These are all defined in constants at the top of the file. ![]() If you create your own then you may need to update the pins used for the switches in and the LED outs. If you connect a TRS cable to the amp end only then it will switch to B-2 as the amp detects the jack but the connections are open. The map of channels to connections is below, with HIGH meaning the connection is shorted to the sleeve and LOW meaning open circuit. The channels and banks are selected by shorting either the tip or ring to the Sleeve. Basically you can make them, but don't sell them. The footswitch let you switch between the amp presets 1A, 1B, 2A and 2B. This project is considered to be Creative Commons Attribution-NonCommercial-ShareAlike. The Kat Preset Footswitch is designed to be used with the Boss KATANA-50, KATANA-100, KATANA-100/212 and KATANA Head MKI and MKII amps that have firmware 2 onward. Note: This will also work with the Katana 100 line but the GA-FC foot-switch will do the same off the shelf. To enable foot-switching simply insert a TRS cable into the foot switch jack. The Katana 50 foot-switch jack is a TRS (Stereo) connection with Tip switching the channel and Ring switching the bank. This pedal features 4 momentary switches giving access to all 4 channels via a single button press. ![]() Say you wanted to change from A-1 to B-2 this would require both buttons to be toggled, one to swap channels and the other to swap banks. KatanaSwitch is the Arduino firmware code for a basic 4 button foot switch for the BOSS Katana 50 amplifer. Heres a quick guide on how to use the Boss FS-6 footswitch to switch between channels or banks on your Boss Katana amplifier.
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