NE555 Duty Cycle Frequency Adjustable Square Wave Signal Generator Board module

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free,30-Day Returns

Seller Store poke5282
(34) 100.0%,

Location: Shanghai
Ships to: US,
Item: 204894345225

Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Unbranded:Unbranded
MPN:NE555 Module
Signal Generator Type:Pulse Generator
Frequency Range:1Hz to 200KHz
Country/Region of Manufacture:China

If you want to know more, please contact us! DescriptionNE555 Duty Cycle and Frequency Adjustable Pulse Square Wave Signal Generator Board Module This NE555 square wave pulse generator module can be used to produce square wave signals for experimental development, or in applications such as driving stepper motors, and as an adjustable pulse for microcontroller (MCU) applications. Only 31mm x 22mm (1.2″ x 0.9″), the board features an NE555 timer chip with jumpers and a potentiometer to fine-tune the frequency in four frequency ranges, and a second potentiometer to adjust the duty cycle (the relationship of how long the output is driven HIGH versus driven LOW). For example, a 50% duty cycle means the output is high 1/2 the time, and low 1/2 the time. Input voltage to the module (VCC) is variable from 5V to 15V DC and draws approximately 15mA at 5v (35mA at 12v) with an output amplitude of 4.2V peak-to-peak to 11.4V peak-to-peak based on the supply voltage. An indicator LED illuminates on a low-level output and flashes relative to the output frequency. At higher frequencies, the LED will appear to be on solid and without a visible flash since the flashing is too fast to see.. NE555 Module Features & Operation: Size: 31mm * 22mm(1.2″ x 0.9″) Main chip: NE555 Input Voltage (VCC): 5V-15VDC Input current:~100MA Output amplitude: 4.2V V-PP to 11.4V V-PP. (Varies with VCC voltage) Maximum output current: 15MA (VCC=5V, V-PP greater than 50%), 35MA (VCC=12V, V-PP greater than 50%). Output LED indicator (low level, LED is on, high level, LED is off; LED flashes with frequency. When the frequency is higher than about 30Hz, the LED will appear to be always on since the blinking is too fast to see. There is a 4-row x 2-pin header that provides jumper settings to select different frequency ranges. The jumper connects different value capacitors in the circuit to change the RC time constant of the circuit. The multi-turn potentiometer near the frequency range jumper provides fine control over the frequency once the range is set. Jumper settings are: ~1Hz ~ 40Hz ~40Hz ~ 500Hz ~500Hz ~ 40kHz 40kHz ~ >200kHz The jumper ranges will vary between modules depending on the tolerances of the components used. The output duty cycle can fine-tuned using the onboard potentiometers. Duty cycle and frequency are not separately adjustable; adjusting the duty cycle will change the frequency The output frequency and duty cycle are adjusted using the following variables: Period T = 0.7 (RA +2 RB) C RA, RB are 0-10K Ohm adjustable potentiometers 1Hz ~ 50Hz: C = 0.001UF 50Hz ~ 1kHz: C = 0.1UF 1KHz ~ 10kHz: C = 1UF 10kHz ~ 200kHz: C = 100UF Applications: As a square wave signal generator for experimental development Used to drive a stepper motor for generating a square wave drive signal Generate adjustable pulses for microcontrollers (MCU) Package Includes: 1X NE555 Duty Cycle Adjustable Pulse Frequency Square Wave Signal Generator Module Online schematic, installation and operation instructions Get it faster! Stocks and ships from our US Colorado office for quick delivery. Ploicy About Us We only sells high quality products, all items in our store will come with one year unlimited mileage quality guarantee. All items are brand new and packed by box. The additional packing material will help you reduce the damage risk a lot during the transportation. We fully understand how challenging it is to be a successful transaction. If you are not 100% satisfied with your purchase, please do not hesitate to tell us, our sales representatives will try the best to make you happy. Customer satisfaction is our priority consideration! Shipping Policy Attention to customers from California: WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov. All orders will be shipped out within 1 business day after payment is cleared. Most of orders will be shipped out at the same day if ordered before 8:00 AM PST(Pacific Standard Time) during business days. All orders will be shipped out via USPS or UPS or Fedex express with a tracking number, which will take 2-6 business days for the delivery. The freight cost listed in the auction will be for domestic 48 states only. For customers from Guam, Puerto Rico, Northern Mariana Islands, Virgin Islands, Marshall Islands, Alaska or Hawaii, please kindly message us for an accurate quotation. We do not ship to P.O. Boxes, APO/FPO or Military Mail Box. We only ship to Paypal confirmed address, please make sure that the address is correct before you check out. Payment Method We accept Paypal only for the payment, and all orders should be paid through Ebay auction, please do not pay directly to our Paypal account. Paypal allows to pay by Credit Card, Direct Debit, VISA, eCheck, or other methods, please kindly check Paypal for more information. For multiple purchases, please add items to your Ebay shopping cart and pay once for entire order. Returns Policy Customer must contact us within 14 days of receiving shipment for approval of any return or exchange. Returns or exchanges will be subject to a 15% restocking fee of the original item purchased plus cost of return shipping and replacement shipping. Exchanges due to shipping errors by us will not be subject to a restocking fee or shipping charges. WARNING: Our Shipping address and Return address are different. Before you return this item, Pls must contact usWe will send you a return RMA number. Pls be sure to write this RMA number on the package so that our warehouse can identify your package, otherwise we won’t be able to complete the refund Contact Us Customers service center will operate from Monday to Sunday. Warehouse will operate from Monday to Friday, the pickup is not available at the moment. You can message us kindly any questions via “Ask a question” at the bottom of the website, our sales representatives will reply you in hours.On Jul 17, 2024 at 15:06:25 PDT, seller added the following information:

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