Stainless Steel Ibutton TM Card Access Control TM Tag Ibutton Key Tag
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Stainless Steel Ibutton TM Card Access Control TM Tag Ibutton Key Tag

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Product Description

Stainless Steel Ibutton TM Card Access Control TM Tag Ibutton Key Tag

Product Description

What is an iButton?

---- An iButton is a computer chip which is enclosed in a 16mm thick durable weather resistant stainless steel can. Because of their small size and extreme durability, iButtons can travel virtually anywhere.

How does an iButton communicate?

The iButton is a slave device and requires a master to initiate communication to it. A master can be a PC or a micro processor. With the master constantly polling the iButtons, communication to iButtons can be started by a simple touch to a 1-Wire interface called a Blue Dot Receptor. Every iButton has a unique 64-bit serial number, which gives it a unique 1-Wire network address.

What are iButtons being used for?

iButtons are frequently attached to key fobs, rings, watches, or other personal items for applications such as access control to buildings and computers. Additionally, iButtons are commonly mounted to storage crates, trucks, and other equipment for asset management. Furthermore, iButtons are mounted to refrigeration units, outdoor environments, and even to animals for various data logging tasks

Please kindly advise the type when you inquiry or order.

Specification of iButton Key
Material ABS+Stainless Steel
Size diameter 16.25mm*5.89mm
Chip

TM1990. TM1990A-F5 -read only

RW1990, RW2004 - read ≀ite

Feature Waterproof, shakeproof ,heat-resistant,dust-resistant
Application Access Control
Inventory Control
Tool Management
Work-in-Progress Tracking
Feature
  • Can Be Read in Less Than 5ms
  • Operating Range: 2.8V to 6.0V, -40°C to +85°C
Capacity:
64bits
read time 350,000 times
Life Time 10years
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Stainless Steel Ibutton TM Card Access Control TM Tag Ibutton Key Tag

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Stainless Steel Ibutton TM Card Access Control TM Tag Ibutton Key Tag

FAQ-iButton

Q1:

How long does an iButton last? How durable is it?

Thanks to sealed stainless steel, you can drop it, step on it, or scratch it. The iButton is wear-tested for 10-year durability and a million hot contacts.

Q2:

What are the basic components I need to work with iButtons?

You need four things to work with iButtons:

1. iButtons.

2. A host system -- a PC, a laptop, or a hand-held computer.

3. A 1-Wire Adapter and iButton Probe to get information into and out of the button.

4. Software (links below)

1-Wire for Windows (TMEX)

1-Wire Public Domain Kit

1-Wire API for Java

Q3:

What's the most popular iButton accessory?

Nearly 2 million public transit passengers in Istanbul carry their iButton on a plastic key fob. It's the simplest way to mount an iButton for applications that require only momentary contact. After snapping in the iButton, the fob can be attached to a key ring. Fob types vary to fit the depth of the iButton they will carry and offer the choice of angled or straight shapes.

Q4:

How can I use iButtons for Web site access?

With 1-Wire API for Java, a programmer can write a simple Java applet. Keep in mind that it must be digitally signed.

Q5:

What is the ROM ID number?

The ROM ID number is a unique ROM code that is 64 bits long. This number is factory lasered into each 1-Wire device. This assures absolute traceability because no two parts have the same number. The first 8 bits are a 1-Wire family code. The next 48 bits are a unique serial number. The last 8 bits are the CRC of the first 56 bits.

as a protective device to prevent reverse engineering or copying of a product.

Q6:

Some of the iButtons have two package types listed, F3 and F5. What is the difference?

The only difference between the F3 and F5 is the height of the can. The F3 is 3.10mm and the F5 is 5.89mm.

If humans are going to be interfacing with the iButton (picking it up), the F5 can is easier to handle.

Q7:

Can more than one iButton co-exist on the 1-Wire line?

Yes, due to the unique ROM ID number in each iButton, a number of iButtons can be on the same 1-Wire line and each can be addressed individually.

Q8:

What is the iButton made of?

The iButton metal "can" is Type 305 Stainless Steel and the insulating grommet is molded from a polypropylene homopolymer resin that has a carbon black additive to inhibit breakdown due to ultraviolet light.

Q9:

Can the markings on the iButton be changed? Can the iButton come with a different company logo on it?

Yes, it is possible to get the iButton with custom branding.

Company Information

Shenzhen TopTag Technology Co., Ltd is established in 2008 with a group of passionate and creative people with rich RFID trading and manufacture experience.

TopTag specialises in various RFID tags and labels with different shapes and materials. Our tags range from low frequency to Ultra-high frequency, which are widely used in NFC Field, Mobile Payment, Access Control, supply chain management, inventory management, storage & logistics management, livestock management and so on.

Product range: RFID Cards, RFID wristband, RFID Key fobs, RFID Sticker, NFC Cards, NFC keyfobs, nfc stickers, nft wristbands etc.

We are looking forward to long-term partership! Welcome to your inquiry!

Stainless Steel Ibutton TM Card Access Control TM Tag Ibutton Key Tag

Our Services

♦ Why choose us?

An integrated promotion solution.

The best price & best service.

Quality control of the whole production.

Control the delivery time of the products.

Good after-sale service.

Exellent technics and craftwork, strict QC system.

Provide technical consulting service and best customer service.

Packaging & Shipping

Stainless Steel Ibutton TM Card Access Control TM Tag Ibutton Key Tag

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