55 计时器

使用此免费在线工具计算五十五个计时器

555 Timer Calculator

Calculate frequency, duty cycle, and timing for astable and monostable modes.

Configuration

555 Timer Formulas

Astable Mode (Oscillator)

f = 1.44 / ((R1 + 2×R2) × C)

Duty = (R1 + R2) / (R1 + 2×R2) × 100%

High = 0.693 × (R1 + R2) × C

Low = 0.693 × R2 × C

Monostable Mode (One-Shot)

t = 1.1 × R × C

Tool Information

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🔧 Electronics & Arduino
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55 计时器 - Gratis Online | NavajaSuiza Digital