Solar power related Projects

1381 solar engine Beam solar engine
AA Battery Solar Charger
Current meter used to measure the current from a solar panel. It has very low power loss for currents in the 0-10A range. It also works as a general purpose DC current meter
Gate Boost Solar Engine The Gate Boost SE uses a 1381, a 2N7000 MOSFET and a 2N3906 with a unique voltage doubler to increase the voltage applied to the gate of the MOSFET ....
Photovoltaic Solar Battery Regulator and Load Controller This device allows solar cell arrays to be connected to either conventional lead-acid, sealed lead-acid, or lithium storage batteries without fear of overcharging. It allows two different electrical loads to be driven from the batteries at two different charge states to maximise power usage efficiency
Portable solar battery charger
Pyranometer to Current Converter Build a micropower circuit that converts low level DC signal from pyranometer to DC current for long cable metering. The circuit was built with TLV2451, rail-to-rail input/output opamp made by TI
Solarbotics useful collection of material for beam roboticists of all experience levels and abilities
Solar bug


Solar-bugs tutorial
Solar car
Solar Cell Battery Charger This Circuit will allow for Voltage Regulation and Isolation when Charging Lead Acid Batteries with a Solar Cell. This Circuit will be most useful for Solar Panals of less than 100 watts, and when using a suitable transistor in it, Solar Cell Circuits
Solar Cell charges single NiCd AA cell Solar garden light - Solar Cell charges single NiCd AA cell which runs LED via stepup converter when darkness falls
Solar cells implement low-cost illuminator
Solar Charger N5ESE's Portable Solar Charger,  5 Watt solar panel
Solar charger for lead-acid batteries This circuit is intended for charging sealed lead-acid batteries with a solar panel in small and portable applications
Solar energy meter The meter measures amount of AC energy produced by photovoltaic power system. It uses photocoupler attach to electromechanical energy meter to detect the number of revolution, Solar energy meter
Sun eater
Solar Charger PIC16F84
Solar charger charging a 12v battery, using the cheapest set of solar cells and the cheapest inverter
Solar charger for lead-acid batteries This circuit is intended for charging sealed lead-acid batteries with a solar panel in small and portable applications
Solar panel charge controller/low voltage disconnect circuit the charge controller is used to connect a solar panel to a 12 volt lead acid battery, it regulates the charging of the battery and allows the battery to be charged up to a preset voltage. This prevents the battery from over-charging and boiling off electrolyte
Solar Collector Sun Tracking Remark: switch R7 and R8
Solar Garden Light Autopsy The NiCads are charged by the solar cells through a 1N5817 schottky diode with a low forward voltage drop. On the top of the unit next to the solar cells is a CDS light sensitive resistor. A PNP transistor Q1 controls power to the LED, pdf file
Solar panel charge controller/low voltage disconnect circuit the charge controller is used to connect a solar panel to a 12 volt lead acid battery and a DC load, it regulates the charging of the battery and allows the battery to be charged up to a preset voltage
Solar Panel Current Meter This circuit is used to measure the current from a solar panel. It has very low power loss for currents in the 0-10A range
Solar Powered Night Light LM2941, TLC27L4, CDS photo sensor
Solar robots The fallowing robots are powered only by light, which means no batteries are required. Make your own solar powered robot at home using things you probably already have. Transistors, resistor, capacitor, solar battery and flashing LED are available at any electronic store
Solar robot tutorial
Solar sun tracker gif file
Solar sun tracker Cadmium Sulfide Relay Tracker Schematic
Solar tracker This kit monitors the position of the sun using two Light Dependant Resistors (LDR's), and makes the decision to move the solar panel to correctly orientate to the sun. The output configuration is called a H bridge which will drive a small electric gearbox up to 500mA at the input voltage (6 .. 15V), both forward and reverse
Solar Tracker Homemade Solar Tracker
Solar tracker circuit Schematic for Solar Collector Sun Tracking
Solar tracking circuits
Sun-Up Alarm The Sun - Up Alarm can be used to provide a audible alarm for when the sun comes up or it can be used in a dark area and detect when a light comes on. It can also be used to detect a light beam, headlights etc, ..., Light intensity sensor, Educypedia
Sun-Up Alarm pdf file
Supply Generates 5V from Low-Voltage Solar-Cell Power This application note describes generating 5V supply voltage from very low input voltage of solar cells. Two stage, high efficiency, MAX866 step-up DC-DC converter and MAX1771 boost controller are used to start up and provide 5V rail under full load and as low as 0.8V input voltage
Zener-based solar engine