There are many charge controllers available, but ordinary cheap ones are not efficient enough to use with maximum power from solar panels.
Project tutorial by Abhi Verma
Things you should know using ESP8266 WiFi module for its safety and easiness as it's very delicate module to use.
by Patel Darshil
This is a model circuit that can control the speed and the direction of a dc motor without the h-bridge ( it's an alternative to h-bridge ).
Project in progress by Joao_Claro
CAN bus hack for reading the battery diagnostics form an electric car.
Project tutorial by MyLab-odyssey
Get your essential appliances off the grid with just one solar panel
Project in progress by Markus Loeffler
A simple and inexpensive solution is to use a 'mobile power bank'
by Giovanni Carrera
Bridging the gap between professional and DIY/hobbyist bench power supply.
Project showcase by prasimix
A symmetric power source for audio amplifiers controlled by the Arduino's PWM with max output +-30v 10A.
Project showcase by Joao_Claro
Make a cheap variable power supply using the buck converter.
Project showcase by Neeraj Rane
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