Tag: Solar
MPPT solar charger
Lukas Fässler from Soldernerd has been working on revised version of his MPPT Solar charger project: Over the last few weeks I have been quite busy with my MPPT Solar Charger project. I’ve built up a first board and started writing firmware for it. Since the last version was not...
Continue ReadingBQ25504 Solar Cell LiPo Charger
by Pesky Products @ tindie.com: This is a small (0.5 x 0.5 inch) breakout board for Texas Instrument's BQ25504 Ultra Low Power Boost Converter with Battery Management for Energy Harvesting Applications. BQ25504 Solar Cell LiPo Charger -...
Continue ReadingHow to connect a Solar Inverter in 10 minutes
Let's connect a solar power inverter for AC voltage output in just 10 minutes. How to connect a Solar Inverter in 10 minutes -...
Continue ReadingMPPT solar charger
Lukas Fässler show us his progress on the MPPT solar charger: One of my main goals with this design is to achieve very low standby current, somewhere in the tens of microamps. The basis for this is a low-power buck on the basis of a Texas TPS62120 where the microcontroller can...
Continue ReadingDIY USB 5V Solar Power Bank
Abdulgafur tipped us with his latest project, a 5V solar powered power bank. The circuit consists of two stages, the first stage is the battery charger stage based on MCP73831 and the second stage is the step up converter based on LT1302-5 which converts the battery voltage to...
Continue ReadingA very simple DIY solar-powered USB charger
Raj @ embedded-lab.com tipped us with his latest project. It's a simple, but useful USB Solar powered charger able to charge a power bank or your smartphone. Yesterday, I built a very simple DIY solar-powered USB charger for my TP-link 10400mAh USB Power Bank. All I needed was a...
Continue ReadingMPPT Solar Charger Design based on PIC18F26J50
Lukas Fässler shares his Maximum Point Tracker Solar Charger Design based on PIC18F26J50: At the core of the design is a PIC18F26J50 in a 28 pin SOIC package. It’s capable of running at down to 2.15 volts and consumes extremely little power when running at lower clock speeds. And...
Continue ReadingPhotovoltaic simulator system adds automated MPPT Efficiency Test
An added test facility enables test of a 1,500V photovoltaic (solar energy) inverter’s static and dynamic maximum peak power tracking (MPPT) according to European Standard EN50530, with a single command, creating downloadable photovoltaic I-V curves, plus static and dynamic EN50530...
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