Snap Circuits Science: Magnetic Stirrer
Friday, September 20, 2013 - 13:01
in Physics & Chemistry
In my previous article, we took a look at one of the signals generated by the 555 test circuit where the output pin (pin 3) is connected to ground (-) which is a simple series of very brief pulses. This series of pulses can be used to generate a tone that can be used as an alarm or can be adjusted with a fair amount of precision such that it can be used to tune a musical instrument. read more