555 timer calculator
Frequency and duty cycle of a 555 in astable mode.
555 timer calculator
Frequency and duty cycle of a 555 in astable mode.
6.871 Hz
Frequency
145.53 ms
Period
76.23 ms
Output high
69.3 ms
Output low
52.4%
Duty cycle
f = 1.44 / ((R1 + 2 R2) C). The duty cycle can not go below 50 percent in this circuit.
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