| Using its two electrodes, formed from two stiff pieces of bare copper wire, the circuit can be stuck into the pot of any plant you want to m...
All items tagged with solar and Solar Energy (117)
| Especially with somewhat longer trips, a portable solar panel can come in very handy to ensure that you always have enough power for your mo...
| This device is designed to be a simple, inexpensive 'comparator', intended for use in a solar cell power supply setup where a quick...
| It takes only a handful of components to build our intelligent regulator. It uses a PIC 12C671 microcontroller, which has the double advanta...
| This ‘solar’ PSU having been designed for this purpose right from the start, the elements it composes are integrated to a higher extent, lea...
| This simple circuit can be used to charge batteries from a solar cell array. The circuit consists of an oscillator, a DC-DC step-up or ‘boos...
| The PR4403 is an enhanced cousin of the PR4402 40 mA LED driver. It has an extra input called LS which can be taken low to turn the LED on....
| This small 12 V solar power source maintains its orientation towards the sun under control of a timer rather than the more usual light-sensi...
| This project is intended for use in conjunction with existing or still-to-be-built garden lighting systems. The circuit cannot operate alone...
| It all started in September last year. Since then over 40,000 man-hours have been invested on the solar car by Solar Team Twente. They have...