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NEW NE555 pulse module upgrades LM358 module Duty cycle frequency adjustable
Features:
1. Used as a square wave signal generator produces a square wave signal for the experimental development use.
2. A square wave signal is used to produce a stepper motor-driven drive.
3. Produce the adjustable pulse for MCU use.
4. Generates the adjustable pulse to control the associated circuits.
Description:
1. Size: 3.5CM * 4.6CM
1. the main chip: LM358;
Input voltage: 5V-12VDC.
3. the input current: ≥ 100MA;
4. the output amplitude: close to the input voltage;
5. the frequency adjustment range: 0.07HZ-2KHZ (also cycle in about 0.45ms to 15s);
Frequency adjustment methods:
The board has four the shorting cap can select the frequency:
Inserted 0 short-circuit cap, the longest cycle upwards to 0.3 s;
Inserted one short-circuit cap, the longest cycle can be adjusted to about 4s;
Inserted two short-circuit cap, the longest cycle can be adjusted to about 7s;
Inserted three short-circuit cap, the longest cycle can be adjusted to about 10s;
Inserted four short-circuit cap, the longest cycle can be adjusted to about 15s;
6. duty cycle adjustment range: 0% to 100% (High / cycle);
7. Output Current: strip 9012 transistor drive capability is strong, about 500MA output current, the output can directly drive
small relays or small motors;
Package include:
1 pcsx NE555 module
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