บอร์ด NE555 กำเนิดสัญญาณสี่เหลี่ยมแบบปรับความถี่และดิวตี้ไซเคิล

NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator
First, the scope of application of this module:
1. Used as a square wave signal generator, produce square wave signal for experimental development and use.
2. Used to generate a square wave signal that drives a stepper motor driver.
3. Generates adjustable pulses for MCU use.
4. Produce adjustable pulse, control the relevant circuit.
Second, a brief description:
1, Size: 3.1CM * 2.2CM
1, the main chip: NE555;
2, the input voltage: 5V-15VDC. 5V power supply, the output current can be about 15MA; 12V power supply, the output current can be about 35MA;

3, the input current: ≥ 100MA
4, the output amplitude: 4.2V V-PP to 11.4V V-PP. (Depending on the input voltage, the output amplitude will be different)
5, the maximum output current: ≥ 15MA (5V power supply, V-PP greater than 50%), ≥ 35MA (12V power supply, V-PP greater than 50%