Windows · Free download · System

I Button Reader

I Button Reader : A small tool that can read data from iButton device.

Operating system
Windows 10/11
File size
192 KB
License
Freeware
Last updated
Apr 28, 2026

135 downloads·517 page views

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Overview

What is I Button Reader?

I Button Reader : A small tool that can read data from iButton device.

In depth

A closer look at I Button Reader

An iButton is a chip housed in a stainless steel enclosure. The electrical interface is reduced to the absolute minimum, i.e., a single data line plus a ground reference. The energy needed for operation is "stolen" from the data line ("parasitic power"). The logical function of the DS1990A is a simple serial number. This globally unique registration number is common to all iButtons. For read operations all devices are satisfied with a 5kOhm pull-up resistor to supply energy and to terminate the 1-Wire bus.

Verdict

Should you download I Button Reader?

I Button Reader runs on Windows 10/11 and is available under the Freeware license — the installer is 192 KB. We’ve catalogued it under System.

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At a glance

I Button Reader specifications

Category
System
Publisher
Wim Bolkensteyn
Last updated
Apr 28, 2026
License
Freeware
Operating system
Windows 10/11
File size
192 KB
Price
Free
Page views
517

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