Tiny Solar Energy Module (TSEM)
Photovoltaic

Tiny Solar Energy Module (TSEM)

A 1 square inch PCB module with 2 tiny solar cells, a highly efficient Li-Ion charger and with 3.3V and 1.8V output by Jasper Sikken: This is a 1x1 inch PCB module with two tiny solar cells, a highly efficient Li-Ion battery charger and with two regulated outputs (3.3V and 1.8V). It is...

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ATmega32U4-Based Synchronous MPPT Buck Solar Charger
Photovoltaic

ATmega32U4-Based Synchronous MPPT Buck Solar Charger

You want to maximize the power output of your solar panel? Then you need a maximum power point tracking charge controller! Source files here. Features: Programmable with Arduino IDE Input voltage: 15 - 22V Output voltage: 1 - 14.4V Simple MPPT (Maximum Power Point...

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High Efficiency MPPT Solar Charger
Photovoltaic

High Efficiency MPPT Solar Charger

A 75 watt MPPT Solar Charger with tons of features. Efficiency > 97%, USB interface, data logging, 2 USB charging ports and much more...by Lukas Fässler This is an open source project that I've been working on for several years now. From its modest beginnings it has evolved to a...

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Researchers Develop New Hybrid Solar Panel That Can Generate Power From Rain Too
Photovoltaic

Researchers Develop New Hybrid Solar Panel That Can Generate Power From Rain Too

The researchers at Soochow University in China, have published a paper on the hybrid device that is able to harness the power of sun and rain using a hybrid panel. By attaching a transparent nanogenerator to a silicon solar cell, researchers have designed a device that harvests...

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DC-DC converter starts up and operates from a single photocell
Photovoltaic

DC-DC converter starts up and operates from a single photocell

by Marian Stofka @ www.edn.com: The bq25504 from Texas Instruments is a good candidate to become a milestone on the road to micro-power management and energy harvesting. A prominent feature of this IC is its ability to start up at a supply voltage as low as 330 mV typically, and 450...

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Solar energy harvester IC that operates with indoor lighting
Photovoltaic

Solar energy harvester IC that operates with indoor lighting

Saelig Company, Inc. (www.saelig.com) has introduced the patented Sol Chip Saturn802 Energy Harvester IC - a unique photovoltaic (PV) cell which can produce output voltage levels of 0.75V, 1.5V, 2.25V, 3.0V, 4.5V, and 9V, which existing solar cells cannot do.  The maximum power which...

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Perovskite solar cells stabilized at 19% efficiency
Photovoltaic

Perovskite solar cells stabilized at 19% efficiency

Researchers at EPFL in Switzerland have found that adding large organic compounds called guanidinium (CH6N3+) into methylammonium lead iodide perovskite solar cells can provide stable power efficiency of 19%, approaching that of silicon cells. by Nick Flaherty @ eenewseurope.com: The...

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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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