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Hi,

I wanted to know if I can upload my skecht through a proto shield (via port TX and RX?) without using the usb plug?

I am already powering my board with the 5V and gnd, the board works.Then I tryied to connect the TX and RX pins of my board directly to the usb cable but it didn't work.

So, how can I upload programs without using the usb plug, and possibly through a shield?
I am asking because I have built a casing that includes interfacing (with my kind of plugs) and it's own "wall" usb plug. the arduino board is inside the box

Thanks for your answers
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Hi,

I wanted to know if I can upload my skecht through a proto shield (via port TX and RX?) without using the usb plug?

I am already powering my board with the 5V and gnd, the board works.Then I tryied to connect the TX and RX pins of my board directly to the usb cable but it didn't work.

So, how can I upload programs without using the usb plug, and possibly through a shield?
I am asking because I have built a casing that includes interfacing (with my kind of plugs) and it's own "wall" usb plug. the arduino board is inside the box

Thanks for your answers

You can upload a sketch without using the arduino on-board USB plug. However that just means you would have to have another USB serial convertor chip installed on the shield board with it's own USB plug. I don't think this is what you have in mind. I have no idea what a 'USB wall connector' is but it just sounds like you need a physical cable connection for the arduino's USB jack and whatever connector type you have installed into your project box?

Lefty
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thanks for the answer

another USB serial convertor chip installed on the shield board with it's own USB plug is probably over my capabilities.
the a 'USB wall connector' is nothing more than a connector I have taken from a garbage printer, installed on the wall of my box to simply connect my USB cable on it. then I have connected 5V and gnd, and need now to connect com pins.
I have no space to plug something in the onboard USB jack because of my box. So I think I will solder these 2 wires, no the best but too late to change

thanks again
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That is still not totally clear to me. But just so you realize that the USB D+ and D- signals are not the same as the arduino serial send and receive signals. There is no way no matter the wiring or connection method used can the arduino pins 0 and 1 wire directly to the USB D+ and D- wires, they are different signals and only a USB serial converter chip can convert back and forth serial data via the USB bus.

Lefty

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thanks, your message is clear  smiley .I am now aware of that, and I was telling I will solder direclty the pins of the onboard usb connector (no the pins 0 and 1 as I thaught when I designed my box, I miss understood things) to the box USB connector. Simply a physical relocation.
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