Whether you are looking to remotely monitor the temperatures or humidity of your product while you ship it across the world or authenticate the presence of a person or product, iButton can make this an easy way to accomplish the task.
Here are the basics. These iButtons are what they sound like, small metallic buttons.
| MIKROE-3047 | 1471-2008-ND |
|---|---|
 |
IBUTTON SERIAL NUMBER Memory Card ROM 8B |
There are different types of iButtons that do different things such as read temperature and/or humidity or have a unique serial number allowing it to act as a password or authentication item.
Product Index > Memory Cards,Modules > Specialized
These buttons interface with a computer system by placing the one wire system into a button receptacle. Below we have an evaluation kit that provides a thermochron temperature recording device with holder as well as a Blue Dot Receptor that plugs into the USB adapter.
| DS1921K# | DS1921K#-ND |
|---|---|
 |
KIT IBUTTON THERMOCHRON Memory Card |
You can easily see how easy it would be to read or write data quickly and easily.
there are a lot of accessories for these as well. Different way to mount and carry these are available.
Product Index > Memory Cards,Modules > Accessories
If this product looks like something would be of interest to you I will also let you know that Maxim Integrated has a great support page regarding the product here:
Maxim APPLICATION NOTE 3808
They also have example applications, application notes, Frequently asked questions and more here:
iButton Devices | Maxim Integrated
These links will bring you to product that is currently in the DigiKey system.
Memory Cards, Modules
Accessories(23 Items)
Memory Cards(1 Items)
Specialized(52 Items)
Relevant Part Numbers
DS9093A+ DS9093AY+ DS9093AB+ DS9093AR+ DS9093AG+ DS9093S+ DS9093RA+ DS9093N+ DS9093F+ DS9107+ DS9093RB+ DS9100-A+ DS9096P+ DS9106S-PK0+ DS1921K# DS1921Z-F5# DS1921H-F5# DS1922L-F5# DS1922T-F5# DS1990R-F3# DS1921G-F5# DS1995L-F5+ DS1990R-F5# DS1961S-F5+ DS1992L-F5+ DS1963S-F5+ DS1920-F5+ DS9092K# DS1985-F5+ DS1961S-F3+ DS1971-F3+ DS1996L-F5+ DS1904L-F5# DS1977-F5# DS1993L-F5+ DS1982-F5+ DS1922E-F5# DS1973-F3+ DS1982-F3+ DS1972-F5+ DS1990A-F5+ DS1971-F5+ DS1973-F5+ DS1990A-F3+ DS1925L-F5# DS1990A-F5/E4F DS1982-F3 DS9092R+ DS1923-F5# DS1922L-F5#W DS9105-00E# DS9105-003# DS1972-F3+ DS9105-009# DS9105-000# DS1985-F3+ DS9105-007# DS1961S-F3# DS9105-008# DS9105-004# DS9105-001# DS9105-002# DS9105-006# DS1994L-F5+ DS9105-00C# DS9105-005# DS1955B-PB9# DS1955B-PB6# DS1961S-F3 DS1955B-PB5# DS1955B-PB4# DS1990A-F5-ECB+ DS1964S-F5+ DS9092RG+