Charge a battery with solar power and feed electricity into the grid
Once your battery is fully charged, very little current is needed to keep it topped up. Most of the available…
Solar charge controller radio frequency interference rfi
Comparing the PWM5 Solar Charge Controller with another comercially available product. The PWM5's 122Hz switching frequency can be picked up…
Charging two car batteries with one solar panel
To charge two batteries from one solar panel, you need two solar charge controllers. My new PWM5 controller has been…
Charging a car battery with a solar panel and charge controller
If you connect a solar panel directly to a car battery, it will eventually overcharge the battery and damage it.…
Two solar charge controllers connected to one battery
Here's something you can do. Connect two large solar panels to one battery. The combined power of the two panels…
Solar charge controller protects battery against overcharging
I've spent the winter designing a PWM solar charge controller, which is now finished and working. Here I'm using it…
Powerjack 300w grid tie inverter modifications
This clever little device went bang shortly after I bought it. The manufacturer was really helpful and sent me a…
Pwm solar charge controller underwater test
Part of 'Building a Solar Charge Controller' at http://www.256.co.uk. The final packaging phase requires that the controller is weatherproof, in…
Pwm solar charge controller
The controller is regulating battery voltage now. Target voltage has been set at 14.2 volts. The display LED shows a…
Microchip pic 12f675 and irfz44n mosfet
Microchip PIC 12F675 and IRFZ44N MOSFET connected together to flash a car brake light bulb. Part of designing a solar…