Blinky is not picky

January 14, 2016 | 16:31
No, I'm not picky. I'm not rude. Why, I'll eat any kind of food. These are the first lines of a poem by Kenn Nesbitt and it applies particularly well to this Elektor.Labs project. The small circuit presented there and intended for modelling applications that require blinking lights will eat anything from 6 to 30 volts AC and from 9 to 42 volts DC. It can be used to replace existing bi-metal based blinkers; its dimensions are only 36 by 36 millimeters.

Based on the over-classic timer chip 555, but in a CMOS version, the little circuit even has two controls, one for the blink rate and one for the duty cycle.
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