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%
(4.88)
