Dual USB Host/Hub Output with Constant Current Limit/Protection
USB

Dual USB Host/Hub Output with Constant Current Limit/Protection

This project has 2 outputs that enable us to power up 2 USB devices simultaneously from an input supply of 12-30V DC. The idea of this project is to have safe power for USB powered devices. The circuit is designed to simplify USB port power delivery based on self-powering 2 port USB...

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Power Meter gives accurate Measurement For energy Consumption of IoT devices
IoTTest/Measurements

Power Meter gives accurate Measurement For energy Consumption of IoT devices

In the world of today's technology, the Internet of Things is very popular. We see that most of the devices used to create the IoT (Internet of Things) function on small batteries or energy harvesting. We find it quite hard measuring the amount of energy being consumed by these IoT...

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1527
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Power-handling capabilities of inductors
Basic Electronics

Power-handling capabilities of inductors

App note from Coilcraft on how to calculate the power dissipation of an inductor. Inductors are not typically rated by power, however an approximation of the power-handling capability of an air core or ceramic core chip inductor can be estimated using the data sheet specifications for...

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Building an extremely high powered 1-12V lab power supply on the cheap
Power supply

Building an extremely high powered 1-12V lab power supply on the cheap

Matthew Millman has published a new project: For a number of years now I’ve had a couple of high powered switching power supply units made by Power-One. They’re typically found in I.T. equipment and provide a single output rail of either 12 V or 48 V with a very high current...

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Hioki PQ3198 Power Quality Analyzer For Easy Investigations of Power Characteristics and Problems
Test Equipment

Hioki PQ3198 Power Quality Analyzer For Easy Investigations of Power Characteristics and Problems

The Hioki PQ3198 portable power analyzer is a best in class power measuring instrument for single to three-phase lines, offering a high degree of precision and accuracy. Verify power problems in accordance with IEC61000-4-30 Class A. Saelig Company, Inc. has introduced the Hioki PQ3198...

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Joulescope: Precision DC Energy Analyzer
Test EquipmentTop Stories

Joulescope: Precision DC Energy Analyzer

Joulescope™ enables designers, engineers, and makers to quickly and easily optimize the energy consumption and battery life of a target device. Joulescope is designed to automatically handle wide current ranges and rapid changes in energy consumption, while allowing the target...

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The USB-C Explorer helps to get started with USB-C
USB

The USB-C Explorer helps to get started with USB-C

Jason has designed a development board for USB-C and Power Delivery, that is available on GitHub. The board is also on sale at Tindie for $79 + shipping. The USB-C Explorer is a development board with everything needed to start working with USB Type-C. It contains a USB-C port...

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Researchers Developed Highly Durable Washable And Stretchable Solar Cells
PhotovoltaicScience

Researchers Developed Highly Durable Washable And Stretchable Solar Cells

Scientists of Japanese research institute RIKEN and the University of Tokyo have successfully developed a product that allows solar cells to continue to provide solar power after being washed, stretched and compressed. Takao Someya of Riken Center for Emergent Matter Science, a...

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