USB-PD Stand-alone Adapter Board from Oxplot
USB

USB-PD Stand-alone Adapter Board from Oxplot

Modern devices are quickly switching to USB-C power adapters, gradually fading out USB-A, and USB-B adapters. USB's Power Delivery (USB-PD) protocol enables the supplies to be  flexible enough to handle charging (or powering) devices ranging from mobile phones to laptops. There are...

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EEZ #BenchBox3
Test Equipment

EEZ #BenchBox3

EEZ teams recently announced their latest project; the EEZ Bench Box 3 (BB3). The Bench Box 3 which is a FOSS and open hardware programmable power supply concept was designed to serve as a successor to EEZ's H24005, with the aim of providing a power supply with better modularity, higher...

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Laptop Bench Power Supply with FAN controller
Power supply

Laptop Bench Power Supply with FAN controller

Zak Kemble build another great project. This time it's a bench power supply with a laptop brick input. The power supply needed sufficient cooling so he added a small Fan and a controller a the edge of the board. He writes: Many years ago (September 2009) I made a simple bench power...

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Zero Multi-Power Supply is Battery supported
Power supply

Zero Multi-Power Supply is Battery supported

This is a breadboard friendly power supply with multiple input options. It can be powered from a USB port or from attached AAA batteries. It also supports Lithium battery input, Single cell(3.7V) and Dual Cell (7.4V,Max:9V) all supported. Output is 2 way adjustable (2-Way Adjustable...

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Ruideng DPS5020 – 50V 20A Power Supply Module Review
Products

Ruideng DPS5020 – 50V 20A Power Supply Module Review

The DPS5020 is a constant voltage/current programmable control power supply module, that integrates analog and digital control in one device. Th e module is a 0-50V/0-20A Lab PSU module that comes in 2 parts, the main controller and a front panel. The main board has connections for...

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OPEN Power: A Simple Constant Power Supply with Variable Voltage
Power supply

OPEN Power: A Simple Constant Power Supply with Variable Voltage

John Loeffler didn't have much to build a power supply for his bench so he decided to build his own and he did it nicely. This Project is to produce 3 final Prototypes. All Power Supplies will have USB Charging of Lithium Batteries and a Load Sharing. Prototype 1: Simple Constant...

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Owon P4603 1CH 0 – 60V / 0 – 3A 180W DC Power Supply
Test Equipment

Owon P4603 1CH 0 – 60V / 0 – 3A 180W DC Power Supply

OWON P4603 Linear DC power supply newly launched with small body, lighter weight, easier to carry. Single channel, competitive unit price. With high resolution 1mV/1mA, 3.7 inch large TFT LCD display, 180W maximum output power. Low ripple and noise can meet the requirement for high...

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PGCPSU the tiny, powerful & affordable LiPo PSU module
Power

PGCPSU the tiny, powerful & affordable LiPo PSU module

Pretty Good Cheap Power Supply Unit - PGCPSU. Get the best tiny power supply for your battery powered projects! PGCPSU is a three in one power supply board: it integrates a lithium battery charge management circuit with 5V and 3.3V DC-DC converter-based output rails to power most...

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