Improving Wearables with Flexible and Rechargable Battery
Power

Improving Wearables with Flexible and Rechargable Battery

Nowadays, there is a lot of technology that implements wearables in fashion, medicine, worker safety, accessories and much more. Many wearables are coupled with uncomfortable charging cables that are irritating for users to handle, some even have big batteries that make wearables a...

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USB To 12V Boost Converter
PowerUSB

USB To 12V Boost Converter

This project provides 12V output from any USB power source, like PC USB port, USB adapter or power banks. LM2577ADJ boost converter IC is the heart of the project. The IC can handle load up to 800mA, it’s advisable to use only 200mA load on output to be on the safe side. The LM2577...

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Wireless power in AA battery format
Power

Wireless power in AA battery format

Ossia has created the world's first wirelessly-powered alternative to disposable AA batteries. The "Forever Battery" puts a long distance wireless power receiver into an AA battery format. The technology can receive up to 4W from a nearby RF transmitter (Cota transmitter), and includes...

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3.877
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Programmable Power Supply Using OPA548
Power

Programmable Power Supply Using OPA548

Project provides 1.2 to 20V DC output with current limiter adjustable to 0-5A. I have tested the circuit with 250mA output without a heat sink. Project is capable to drive 3A continues load and 5A peak, large size heat sink required for full load. The tiny power supply based on low cost...

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Grid-connected solar microinverter reference design
PhotovoltaicPower

Grid-connected solar microinverter reference design

A PDF from Microchip on the theory behind inverter design connected to grip power.: There are two main requirements for solar inverter systems: harvest available energy from the PV panel and inject a sinusoidal current into the grid in phase with the grid voltage. In order to harvest...

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uBoost Single AA to 3.3v 100mA Power Supply
Power

uBoost Single AA to 3.3v 100mA Power Supply

µBoost is a Single AA powered, 3.3v 100mA power source and flashlight and it can run low power devices. µBoost is small, portable, 3.3v 100mA power source for low power devices like Arduino Mini. It has white power LED and can usable as flashlight. Also it has "Battery OK" indicator...

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24-48V to 5V – 3A DC-DC Converter
Power

24-48V to 5V – 3A DC-DC Converter

24-48V input voltage range 3A output current DC-DC Converter using BD9G341AEFJ IC from ROHM semiconductor. This IC is ideal for high voltage to low voltage converter with 3A output current. Pin configuration of the board with 3 Pin horizontal mounting of the regulator is similar to...

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4.615
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15V 1A Dual Output Flyback DC-DC Converter
Power

15V 1A Dual Output Flyback DC-DC Converter

+/-15V 1A Dual output DC-DC converter is a tiny board built using Transformer from Renco and LM2587-ADJ IC from Texas instrument.  Input supply 18-36V DC.  The LM2587 regulators is monolithic integrated circuit specifically designed for fly back, step-up (boost), and forward converter...

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4.460
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