makerPower Solar – An intelligent solar power system for the internet of things.
https://www.electronics-lab.com/makerpower-solar-intelligent-solar-power-system-internet-things/
makerPower Solar is a combination intelligent solar battery charger and power supply for low- to medium-power devices freeing them from the outlet. It is designed to provide 24/7 power for a wide range of embedded systems and IoT gadgets. According to Julio: Optimal charging is provided through a dynamic perturb-and-observe maximum power-point transfer converter (MPPT) […]
Oxford PV perovskite solar cell achieves 28% efficiency
https://www.electronics-lab.com/oxford-pv-perovskite-solar-cell-achieves-28-efficiency/
Perovskite solar technology leader’s solar cell sets new world record. Oxford PVTM – The Perovskite CompanyTM, the leader in the field of perovskite solar cells, today announced a new, certified, world record for its perovskite based solar cell. Oxford PV’s 1 cm2 perovskite-silicon tandem solar cell has achieved a 28% conversion efficiency, certified by the […]
10kW 3-Phase Grid Tie Inverter Reference Design for Solar String Inverter
https://www.electronics-lab.com/10kw-3-phase-grid-tie-inverter-reference-design-solar-string-inverter/
This verified reference design provides an overview on how to implement a three-level three-phase SiC based DC:AC grid-tie inverter stage. Higher switching frequency of 50KHz reduces the size of magnetics for the filter design and enables higher power density. The use of SiC MOSFETs with switching loss ensures higher DC bus voltages of up to […]
Solar harvesting into Li-ion battery
https://www.electronics-lab.com/solar-harvesting-into-li-ion-battery/
A highly efficient solar powered Li-ion charger with two regulated outputs. The AEMLION is a 0.8×0.6 inch (20x15mm) PCB with the AEM10941 Solar Harvesting IC from E-peas. It efficiently converts solar energy into Li–ion battery charge, it even works with indoor light. It features 3.3V and 1.8V regulated outputs that are enabled when the battery […]
Tiny Solar Energy Module (TSEM)
https://www.electronics-lab.com/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 1×1 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 unique because […]
ATmega32U4-Based Synchronous MPPT Buck Solar Charger
https://www.electronics-lab.com/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 Tracking) solar charge controller for 18V solar panels Proper buck converter […]
High Efficiency MPPT Solar Charger
https://www.electronics-lab.com/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 rather sophisticated device with a […]
Researchers Develop New Hybrid Solar Panel That Can Generate Power From Rain Too
https://www.electronics-lab.com/73518-2/
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 solar energy in sunny conditions and the mechanical energy of falling raindrops in rainy conditions. The dual […]
DC-DC converter starts up and operates from a single photocell
https://www.electronics-lab.com/dc-dc-converter-starts-operates-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 mV guaranteed. With an SMD […]
Solar energy harvester IC that operates with indoor lighting
https://www.electronics-lab.com/solar-energy-harvester-ic-operates-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 can be obtained in full daylight is around 10mW, or 55uW […]