Category Archives: OpenDPS

DIY Power Supply and TS100 Outlet Combo Shows off Great Layout

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Here’s a combination of two important electronics workbench tools into a single, cleanly-assembled unit. [uGen] created a DC power supply complete with a plug for the popular TS100 soldering iron, and it looks great! Most of the main components are familiar offerings, like a LM2596 DC to DC buck converter board and a DPS3003 adjustable DC power supply unit (we previously covered a DIY power supply based around the similar DPS5005.) The enclosure is an economical, featureless desktop instrument case whose panels were carefully cut to fit the necessary components. There’s one limitation to the combo: the unit uses a …read more

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Open Source Firmware For A Cheap Programmable Power Supply

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A few months ago, someone clued us in on a neat little programmable power supply from the usual Chinese retailers. The DPS5005 is a programmable power supply that takes power from a big AC to DC wall wart and turns it into a tiny bench-top power supply. You can pick one of these things up for about thirty bucks, so if you already have a sufficiently large AC to DC converter you can build a nice 250 Watt power supply on the cheap.

[Johan] picked up one of these tiny programmable power supplies. His overall impression was positive, but like …read more

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