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Zemoner

Product Description

                               
Item Description:
- Brand new and high quality.
- By rotating the rotary encoder can be counted in the positive direction and the reverse direction during rotation of the output pulse frequency, unlike rotary potentiometer counter, which species rotation counts are not limited. With the buttons on the rotary encoder can be reset to its initial state, that starts counting from 0.
- How it works: incremental encoder is a displacement of the rotary pulse signal is converted to a series of digital rotary sensors. These pulses are used to control angular displacement. In Eltra angular displacement encoder conversion using a photoelectric scanning principle. Reading system of alternating light transmitting window and the window is not consisting of radial indexing plate (code wheel) rotating basis, while being an infrared light source vertical irradiation light to the code disk image onto the receiving on the surface. Receiver is covered with a diffraction grating, which has the same code disk window width. The receiver's job is to feel the rotation of the disc resulting changes, and change the light into corresponding electrical changes. Then the low-level signals up to a higher level, and generates no interference square pulse, which must be processed by electronic circuits. Reading systems typically employ a differential manner, about the same but the phase difference of the two waveforms different by 180°compared to the signal in order to improve the quality and stability of the output signal. Reading is then the difference between the two signals formed on the basis,thus eliminating the interference.
 
What's in the package:
- 1Stk  KY-040 Rotary Encoder Module
 

 
 
1. We accept Paypal only as it is the most convenient and safest way to pay and get paid.
2. We only ship to the confirmed address provided by eBay. Please make sure your address in eBay matches the address you would like us to ship to before you make the payment.
3. eBay System will open an unpaid case automatically if the payment is not made within 5 days for those who have no contact with us via eBay Message. If you want us to cancel the transaction, please remember to contact us in advance to avoid the unpaid strike.
1. For the US buyers, we will send your item via e-packet, it usually takes 7 to 12 working days to arrive.
2. For the German buyers, we will send your item via DHL Economy Shipping, it usually takes 20 working days to arrive.
3. For other buyers, we will send your item via China Post, Singapore Post, or HongKong Post, it usually takes 20 to 40 working days to arrive for most countries. For the country like Russia, Brazil, Chile, Italy, Portugal, and South Africa, it usually takes 30 to 50 working days to arrive. Your patience and understanding is highly appreciated.
4. If you need a tracking number,please choose "Standard Int'l Shipping", it means shipping with a tracking number, you only pay it one time, and you can buy whatever you want, we can ship it for you together with a tracking number. Before you make the payment, please feel free to contact us and we will revise the price for you.
5. If you want fast shipping, please choose "Express Int'l Shipping". We will ship the parcel via DHL, UPS, or Fedex.
***Import duties, taxes and charges are not included in the item price or freight. It's your responsibility to take this fee if occurs.
***Return Policy
1. If the item you received is defective, we are happy to replace faulty goods or cover return shipping fee or offer reasonable solution;
2. If we send the wrong item to you, we will cover return shipping fee or offer reasonable solution;
3. Original and return shipping fee will not be refunded or reimbursed unless for the defective items. Please do not complain about having to ship back at your own expense under the condition you choose the wrong item, wrong size, or exchange it for other reasons.
We're the experienced and professional seller who aims to provide you the good quality products with the best price and customer service. Just choose us, you won't regret!                                    
Should you have any question, just email us via eBay message. We try our best to reply to your emails ASAP. However, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 24 business hours for us to response. We feel very appreciated for your cooperation and understanding.                                    
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