5Pcs NE555 Duty Cycle And Frequency Adjustable Module Square Wave Generator Best For Sale

5Pcs NE555 Duty Cycle And Frequency Adjustable Module Square Wave Generator Best


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5Pcs NE555 Duty Cycle And Frequency Adjustable Module Square Wave Generator Best:
$7

NE555 Module Description 1.Size: 2.9CM*3.6CM. 2.Chip: NE555. 3.Input Voltage: 5V-15VDC. 4.Input Current: ≥100MA. 5.Output Amplitude: 4.2V V-PP to 11.4V V-PP. 6.Maximum Current Output: ≥15MA. Characteristic: 1.With the LED indicator. 2.Optional output frequency range. 3.Output frequency range grade optional continuously adjustable output frequency. Low-frequency stall: 1Hz ~ 50Hz. IF stall: 50Hz ~ 1kHz. In the high-frequency stall: 1KHz ~ 10kHz. High-frequency stall: 10kHz ~ 200kHz. 4..The output frequency is adjustable. Cycle T = 0.7*(Ra + 2*Rb)*C. Ra, Rb:0-10K adjustable. LF gear C = 0.001UF. IF file C = 0.1UF. In the high-frequency file C = 1UF. High-frequency gear C = 100UF, the waveform frequency buyers can own calculations. Range Of Application: 1. Used as a square wave signal generator, square wave signal is for the use of the experimental development. 2. Used to produce driving stepper motor drives the square wave signal. 3. Adjustable pulse for the use of MCU. 4. The adjustable pulse, control circuit. Package Included: 5×NE555 Duty Cycle And Frequency Adjustable Module Square Wave Generator.

Payment

1.We accept Paypal only.

2.Please confirm your shipping address is exact after payment.

3.If your purchased is more than £30.00, please offer your phone number with shipping address.


Delivery details

1.All item will be shipped by Airmail post within 1 business days. It takes approximately 15-25 days (USA ,CA,AU,UK,DE).other country 15-35 days.

2.Express by EMS ,it must add 25 USD shipping fee, it takes 5-10 workdays for delivery.If you need other Epxress(DHL,Fedex.UPS etc.),please contact us to talk about shipping fee.

3.Once you purchase, please DONOT leave negative, neutral response or open any case if you have not received item in 30 days, because we have mentioned the shipping time repeatedly.


Contact us 新建网页 2

1.We offer retail and wholesale services. We can provide products in accordance with your requirements. If you have any questions or something to consult, please send us message.

2.All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.

3.Our aim is to provide Top Level Customer Service, Business hours are 9am to 6pm Beijing time (+8 GMT), Monday to Friday.

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