| light-powered radio... elektor april 1985 light- powered radio 4-24 • • • ...saves on batteries All portable receivers, large and smal...
More about Solar cells (107)
| elektor july/august 1983 solar tracking system There are some hopes that the sun will become a main source of energy in the 21 st century. B...
| slave flash trigger A triggering circuit for slave flash guns ensures that the "slave", flashes simul- eye. taneously with the main or maste...
| solar powered pocket torch Pocket torches are handy things, but they have one great drawback: at the most inconvenient moments their batteri...
| 5-04 — elektor may 1981 camping c(I)ocl Readers may think this is a "cock-and-bult" story, as this electronic cock does not actually crow....
| 55 A t first sight, this amplifier design looks like any other. However, it boasts a number of highly interesting characteristics. To start...
| 99 "Energy crisis" is becoming something of a catch phrase nowadays, for one reason or another. Whether this is due to a shortage in fossil...