SMPSs have become very common nowadays and we find them being used in the form of AC to DC adapters wherever needed. The best example is our cell phone chargers which are actually compact SMPS 5V chargers. Solar
MPPT stands for Maximum Power Point Tracking, a charger concept specifically intended and designed for acquiring highly efficient solar power harnessing. Solar panels are excellent devices since they allow us to harness free electrical energy from sun, however the present devices are not very efficient...
The second design explains a cheap yet effective, less than $1 cheap yet effective solar charger circuit, which can be built even by a layman for harnessing efficient solar battery charging. You will need just a solar panel panel, a selector switch and some diodes for getting a reasonably e...
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In this post I have explained a battery charger circuit specifically designed for camper and motorhome applications, so it can serve as an effective
When an exhausted cell is placed, a note around 1 kHz is provided. The device has been examined with battery voltages between 1.5 V and 14 V, utilizing a BC547 as Q1 and an BC557 as Q2. You can also use the battery in the reverse polarity and still make the circuit work withou...