555 Timer R1 Calculator Astable
This simple 555 timer calculator is for the astable circuit to calculate the resistance R1 in ohms. You must enter the values for the period T, resistor R2, and capacitor C. The period must be in seconds, resistance in ohms, and capacitance in farads.
| 1 µF | 0.000001 F |
| 1 nF | 0.000000001 F |
| 1 pF | 0.000000000001 F |
Find Resistance
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