The unit described provides the driver with both audible and visual warnings of inadequate ambient light level. The threshold is adjustable over a fairly wide range and the alarm action is quite positive. The unit automatically resets when the light level returns to a safe level. The device uses readily available low cost components and can be easily and quickly fitted to any vehicle.
Twilight warning (for car lights)
Zwielicht-Warnsystem fuer Kfz-Beleuchtung
Practical Electronics ; 19 , 2 ; 40-41
1983
2 Seiten
Article (Journal)
English
Tema Archive | 1983
|Tema Archive | 1983
|