Timeline for What is the simplest way to make a small low power and low price circuit that flashes LED's
Current License: CC BY-SA 2.5
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| Nov 12, 2010 at 22:10 | comment | added | Linker3000 | A favourite at school electronics clubs was a 4017 CMOS decade counter clocked by a 555 timer. The best variant I saw was with the 4017 being used as part of the resistor timing chain on a second 555 timer running in astable mode. By using the 4017 to switch between up to 10 variable resistors you could make a simple tone sequencer that drove everyone mad after a few minutes! | |
| Nov 12, 2010 at 0:41 | history | answered | Andrew | CC BY-SA 2.5 |