Introducing the ATX2AT Smart Converter

[Twinrocket]

I'm interested in one.

[elfox]

This looks really cool! I’d be interested in one if possible.

[xsecret]

Featured on hackaday : https://hackaday.com/2018/05/24/a-smarter-psu-converter-leaves-the-magic-smoke-inside/

[cvandijk]

Any news on this nice converter?

[xsecret]

PCB v1.1 is ready and will be send to PCB house next week. Changes are : added header for an external button, added a feature to allow the converter to simulate an odd signal (useful for Amiga), mechanical layout modification. Final PCB color will be black (still 2 oz for better current handling). But I'm still looking for a fab house to assemble the custom cable. Any idea welcome

[cvandijk]

I don't have a idea for the custom cable, maybe it's easier to use a extension cable for P8/P9?

But is is possible to connect the external header to an on/off switch, so it's possible to build the converter in an old case and use the old power switch? And with on/off switch I mean always a signal if on, not like a power switch we use for ATX boards.

[xsecret]

The header is linked to the momentary push button, so right now, it requires a single push. But that's only a firmware option. A can add a "toggle" mode to work with on/off switch.

The only issue for mounting the converter into an old case is the lack of mounting holes. I don't have any space left to add them. Of course, I can make a bigger PCB, but I'm not sure if it's a good idea (increasing PCB size just for mounting holes)

[cvandijk]

I was thinking of putting it in a case with the same layout as a AT power supply (Maybe a 3D printed case or re use a old power supply), and connect the converter to a PicoPSU, also inside the case. So I can replace the complete old power supply with a modern one.

[xsecret]

Interesting. The additional caps on the ATX2AT SC will be useful because there is only tiny filtering cap on the PicoPSU. Here is how it looks like. But if you use a PicoPSU, you also need a 12V power brick. Maybe you can integrate it on an old AT PSU case.

I will check how the PicoPSU reacts with the SC adapter (reaction time, etc.)

[cvandijk]

Do you have a update about this nice piece of hardware? Looking forward to try one.

[xsecret]

Two weeks ago, I received the custom cables from the factory for the ATX2AT Converter.

Some of them :



They have now been tested and they meet expectations.

About the ATX2AT, I'm still testing new designs to reduce the overall cost. With the original design, I must sell them at $49 in small batch (10-50 pcs). I'm trying to lower the cost to $39 or $35 but it's not as easy as expected (while keeping the same performance).

[cvandijk]

Very nice, I'm willing to pay $49, is there a beta/test program? I have more then 30 different AT mainboards on my test pile, so I'm really looking forward to use it.

[ale5000]

Hi,
where can I buy one?

[Bator]

I'm interested in one.

[xsecret]

I'll post an update here as soon as they will be available. Manufacturing is in progress but I must send all Kickstarter rewards first.