Water-Activated Triac Switch (CB24054E)

This circuit is from a July 1970 Radio Electronics magazine. The sensors are metal probes. The 18 V power source must be isolated from the mains.

| Clique na imagem para ampliar |

Audio Oscillator CK722 (CB14744E)
The transistor can be a modern equivalent and the transformer is the type of output found on an...
Selectable staircase generator (CB9341E)
This circuit was found in Philips documentation from 1967. The circuit uses components of the...
Horticulture lenses from LEDIL
LEDIL provides through Mouser Electronics a series of lenses for use in greenhouse horticulture....