sbelyo

Thanks, I'll take another look at it tonight

I did some measurements and it seems the center mounting hole needs to be centered. Other than that it's good.

Finished my Arduino based DAC controller

here it is complete

I soldered the surface mount components for a Universal Signal Isolator shield for the Arduino DUE. This will allow me to control my Buffalo DAC and add a TFT screen to it as well http://www.dimdim.gr/arduino/universal-signal-isolator-shield-for-the-arduino-due/

I got the no touch test pattern on the 5" display to work. For those that are new (myself included), here's what I did. Download the example file from buydisplay.com. Extract it and the copy the UTFT folder located in Libraries-Examples_ER-TFTM050-4\Libraries into the Libraries folder in the Arduino folder under My Documents (Windows). Open the .ino file located here Libraries-Examples_ER-TFTM050-4\Examples\No_Touch_GraphicTest compile and upload the code Remove the usb cable from the programming port Assemble the shield, screen, and arduino together Plug a 7-12 Vdc 1A or more power source into the power socket on the arduino board It should display the test

I'm looking to add an arduino to control my dac. I'm not worried so much about writing code as that's already done and proven to work for others. This whole platform is new to me. I can see that the initial scrpt or program is the .ino file and that will contain commands as well as references to libraries but I'm not sure how to put this altogether in Arduino IDE to upload it to the Arduino Due. I purchased this display for the project https://www.buydisplay.com/5-inch-tft-display-arduino-touch-shield-ssd1963-library-for-mega-due There is a download with examples in it here https://www.buydisplay.com/arduino/Libraries-Examples_ER-TFTM050-4.zip I want to test the 480x272 demo. I see the ino file and have downloaded the UTFT library and added it to Arduino IDE. Do I open the ino file in sketch then include the UTFT library and complile then upload? Or am I missing steps?

This was the best source for them for me https://www.amazon.com/gp/product/B0756KLNLX/ref=ppx_yo_dt_b_asin_title_o01_s01?ie=UTF8&psc=1

Thanks...

Can anyone recommend a free gerber viewer that lets you print the layers true to size? Or at lease view them on screen where they're accurate enough for measurement.

I need help finding board stacking headers like these. I need to stack a bunch of Arduino shields and a screen together. I can't seem to find them on mouser or digikey but thats probably me not putting in the right info

At first glance and a quick measurement from the bottom, the hole seems to be dead center. I will print out the outlines this weekend and see where it matches up

I've done the same. But I totally get where purk is coming from.

All of my headphone's have been terminated or re-terminated with a 4 pin xlr for years now

transformers should be here tomorrow

Max for length is 228.5 mm

For me it'd be cool to do the voltage switch. I have enough room for an IEC inlet with a fuse. Let me measure to see how long the board can be My only thinking was to have AC in on the left so the wires are very short to the front panel switch and then the secondaries are facing the AC in on the PSU boards. Basically just keeping the wiring as short and neat as possible. Is that creating more of a problem with noise the way it is?

That switch is cool, I like that

looks good. I expect the transformers next week so I'll measure that to check. Unless someone here has one

That would be cool... It looks like the outer holes are bigger so I think that's ok.

This look really good! I should have some 50VA coming next week. I don't have any 25VA, let me see if one is in stock

yep that's right. If you have to drop one to make it fir you can cut out the 35. I really only need the 25 and 50VA

I wasn't sure how to draw the traces. I figure leave the primary and secondary alone so anyone and choose 115 or 230 on the primary and parallel or series on the output

Ok, excuse my crude drawing but this is my idea for a basic dual side by side layout. The AC in and out would just be the normal terminal block we all use. 5.08mm pitch with a 1.3 mm hole. I use 4-40 stand offs so the holes would be 3.26 mm or there abouts. Not sure what size hole is usually standard for that. For the transformer pin spacing and hole size I circled the 25, 35, and 50 VA models, the specs are in the chart. I was looking to do those three. Let me know what you think.

sure, let me get cracking.