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DC One - Power Supply Unit

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KAM-lab

New Member
Hello! I'm new to this forum and hope this is the correct place to post about my project. I just joined the Kickstarter campaign that I think would be interesting for you. DC One Power Supply Unit is an interlocking, programmable, single-channel DC power supply for electronic projects. It’s a cheap and ideal solution when you build a prototype and need to get the specific voltage for your devices.

Link removed by moderation.

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The modular, flexible design of the DC One allows it to be used as a single-output DC adapter, or stacked to meet multiple DC output requirements. Its modularity also eliminates the unused cables that accompany most conventional power supply designs.
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Specifications
  • Input voltage, 2.7...15V
  • Output voltage, 2.5...14V
  • Max continuous current, 2.5A at 5V
  • USB connection, miniUSB
  • UART interface for Bluetooth, logic levels - 3.3V, power supply - 5V
  • Adjustable output current limit (this mode allows DC One to act as a current source to drive LEDs, etc.)
  • Measuring: input voltage, output voltage, output current
  • Control via USB and serial (with Bluetooth or USB-UART modules)
  • Indicating and signals: status LED (work/error), buzzer (overload/owerheat)
  • Reverse polarity and surge protection on input
  • Output short circuit and overvoltage protection
  • Thermal shutdown
  • ESD protection on all inputs and outputs

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The DC One unit allows easy, intuitive control by PC, Mac, Linux or Android using USB or Bluetooth.
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Pricing information removed by moderation.
Interesting PSU but don't spam the forum.


Any comments and questions are welcome.
 
Last edited by a moderator:
Yes it is but I have edited it and sent a warning.
JimB
 
Sorry, it's my bad, I don't want to spam anyone. I think it could be interesting for hobbyist electronic projects and professionals. I'd like to collect a feedback to understand do you need such kind of PSU and what features you would like to see. Thanks.
 
KAM-lab

Sorry to be harsh on your first post, but it read like a commercial advert which is not allowed in the forum.
Most advertising "spam" is deleted as soon as it is found and the poster banned.
In this case I thought that the PSU had merit so I just removed the link and the prices and let it run.

Other than that, welcome to the forum, I am sure members will be happy to comment on your PSU ideas.

JimB
 
Just thinking aloud.

What do all of the exposed pins along the side do ? Will the PSU go bang when I occidentally drop my pliers onto them, or the metal case of the target device touches them ?

Are the outputs isolated and able to be used as a +- supply, with GND referenced to USB GND ?

Leftfield95.
 
2.5A @5V? I always thought you couldn't get more than 1A out of USB 2.0. I do know that USB 3.0 specs have changed. Realistically though, if I were going to be using even 1A of current for projects, USB wouldn't be my choice of power for fear of ruining something (ie the motherboard). A Power cube would be the way to go (or even a old ATX power supply), as they are cheap. A MC34063 circuit Could give something like the mentioned voltage range and cost almost nothing.
 
2.5A @5V? I always thought you couldn't get more than 1A out of USB 2.0. I do know that USB 3.0 specs have changed. Realistically though, if I were going to be using even 1A of current for projects, USB wouldn't be my choice of power for fear of ruining something (ie the motherboard). A Power cube would be the way to go (or even a old ATX power supply), as they are cheap. A MC34063 circuit Could give something like the mentioned voltage range and cost almost nothing.

The two screw terminals next to the USB are labelled as input. I expect that the USB connector is just for control.
 
Just thinking aloud.
What do all of the exposed pins along the side do ?
The pins are used for communication between the units. You can interlock up to 8 units, and control it through the single application .

Will the PSU go bang when I occidentally drop my pliers onto them, or the metal case of the target device touches them ?
Each module is equipped with plastic box and you can close exposed pins.

Are the outputs isolated and able to be used as a +- supply, with GND referenced to USB GND ?
Unfortunately outputs are not isolated.
 
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