2PCS NE555 Adjustable Square Wave Module PulseUpgrade Frequency LM358 Duty Cycle

2PCS NE555 Adjustable Square Wave Module PulseUpgrade Frequency LM358 Duty Cycle Descriptions: 1. The main chip: LM358.
2. 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).
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.
Detailed map Frequency adjustment methods: 1. The board has four the shorting cap can select the frequency.
2. Inserted 0 short-circuit cap, the longest cycle upwards to 0.3 s.
3. Inserted one short-circuit cap, the longest cycle can be adjusted to about 4s.
4. Inserted two short-circuit cap, the longest cycle can be adjusted to about 7s.
5. Inserted three short-circuit cap, the longest cycle can be adjusted to about 10s.
6. Inserted four short-circuit cap, the longest cycle can be adjusted to about 15s.
7. Duty cycle adjustment range: 0% to 100% (High / cycle).
8. Output Current: strip 9012 transistor drive capability is strong, about 500MA output current, the output can directly drive small relays or small motors.



Package Included: 2 PCS Square Wave NE555 Pulse Module LM358 Duty Cycle Frequency Adjustable Module

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