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Lab PSU for Embedded Developers

Power supply for microcontroller circuits

Lab PSU for Embedded Developers
Lab PSU for Embedded Developers

Anyone who develops circuits using microcontrollers knows that plug-in ‘wall wart’ power packs do not always make suitable power supplies. On the other hand, a proper laboratory power supply is expensive overkill — it’s too bulky and generally delivers only a single voltage. The PSU described here is small and supplies controllers with the 3.3 V or 5 V used typically. A second preset voltage between 0 and 15 V is provided for peripherals.

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Materials

Extra info / Update

• Input voltage 18 – 22 V ?2 A
• Output voltage 1: 3.3 V and 5.0 V switchable
• Output voltage 2: 0 – 15 V adjustable
• Output current: 0 – 1 A V adjustable
• Display of voltage, current and temperature

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