EspoTek Labrador – Oscilloscope, Signal generator, Power supply in one tiny board
Test/Measurements

EspoTek Labrador – Oscilloscope, Signal generator, Power supply in one tiny board

EspoTek Labrador is a small, portable, USB-connected electronics lab-on-a-board that includes an oscilloscope, waveform generator, power supply, logic analyzer, and multimeter. The EspoTek Labrador plugs directly into a solderless breadboard and connects to any Windows, Mac, or Linux...

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ElbSupply – Linear Bench Power Supply With Constant Current and Voltage Modes
Power supply

ElbSupply – Linear Bench Power Supply With Constant Current and Voltage Modes

A lot of power supply designs are here and there on the Internet, but not all of them have constant current and voltage modes. You can read the following Q&A in electronics.stackexchange to learn what constant current and voltage modes mean. Elia over Hackaday.io built a linear...

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Dual output step-down charge pump operates without inductors
IC

Dual output step-down charge pump operates without inductors

Linear Technology's LTC3256 is a high voltage low noise dual output power supply, which takes a single positive input and generates 5V and 3.3V step-down supplies with high efficiency and no inductors. by Julien Happich @ edn-europe.com The device features a wide 5.5V...

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A Bench Power Supply using computer PSU
Power supply

A Bench Power Supply using computer PSU

As we know, PSU in computers provides various DC voltages, 3.3V, 5V and 12V. These 3 levels are the most common ones needed in our labs, so usually PC PSUs are used by a lot of makers and hackers as their personal bench power supply. The PSU has a standard connector called ATX, you can...

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Dual Adjustable Regulated power supply 1.2V TO 37V DC
Power supply

Dual Adjustable Regulated power supply 1.2V TO 37V DC

This project is a solution to power up most of devices or projects requiring dual (+/-) adjustable power supply. The circuit is based on LM317 positive and LM337 negative voltage regulators. LM3X7 series of adjustable 3 terminal regulators is capable of supplying in excess of 1.5A...

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Adjustable HV Power Supply for Stompbox
Power supply

Adjustable HV Power Supply for Stompbox

This SMPS can be powered with low input voltage, from 5 VDC to 15 VDC and provided adjustable Output Voltage: + 92 Vdc to +340 Vdc. Can be used too, as power supply, for the Xenon Lamp, Nixie tube Clock, VFD display, Magic Eye, Neon, and too many others electronics circuits who need...

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5V Step Down DC-DC Converter
Power supply

5V Step Down DC-DC Converter

The Tiny Step-Down DC-DC converter project provides 5V 500mA output from supply input up to 25V DC. MC34063A IC is heart of the project from on semiconductor. The MC33063A is a monolithic control circuit containing the primary functions required for DC-DC converters, This device...

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Teardown: 12V AC adapters
Power

Teardown: 12V AC adapters

Michael Dunn has done three teardowns of the worst 12V adapters and what he found is interesting. Yes! Can you believe it? This board used to be in another adapter housing, or more likely, in an end-product. It seems Chinese manufacturing has sunk to a new low: repackaging used...

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