Evaluates: DS1925 DS1925 Evaluation Kit General Description Benefits and Features The DS1925EVKIT is a Thermochron iButton starter kit Starter Kit Evaluates the DS1925L Thermochron that provides the basic hardware for a quick evaluation of iButton Temperature Recording Device with a Maxims Thermochron iButton family that communicates Microsoft Windows-Based PC using the 1-Wire protocol. The kit uses a USB port of a Easy Setup with USB Adapter PC running Windows operation system. The kit includes Free Download of 1-Wire Drivers and OneWireViewer DS1925L Thermochron iButton and all the hardware Demonstration Software required to communicate with it. The DS1925L is a high- Compatible with Other Thermochron iButtons: capacity Thermochron capable of 122K 8-bit readings or 61K 16-bit readings taken at equal distances. The easy DS1921, DS1922L, DS1922T, DS1922E, and DS1923 (Not Included) setup process includes the free downloadable 1-Wire drivers and the OneWireViewer demonstration software to communicate easily with iButtons through the PCs USB port. Visit the download site for the free 1-Wire driv- ers and bundled OneWireViewer. For developers who wish to create custom iButton eco- Ordering Information appears at end of data sheet. systems, Maxim provides iButton design resources with links for software resources and iButton accessories found here. Figure 1. DS1925 EV Kit iButton and 1-Wire are registered trademarks of Maxim Integrated Products, Inc. Windows is a registered trademark of Microsoft Corporation. 19-8494 Rev 0 3/16DS1925 Evaluation Kit Evaluates: DS1925 12) Go to the Start menu and click on OneWireViewer. Quick Start exe icon. This application can also be found under To download the 1-Wire drivers software package, visit the Start menu folder 1-Wire Drivers x64 that was the 1-Wire Drivers page and click the button that takes used previously. you to the Download Page. Select the applicable ver- 13) Snap the iButton (optionally with key fob) into the sion of the Windows operating system and select the file Blue Dot Receptor to display its address. Click on that corresponds to your PCs configuration (e.g., 32-bit the address to access screens that show all the 1-Wire drivers or 64-bit 1-Wire drivers) and then click the functions of each iButton. Then follow the instruc- Download button. The web page provides assistance tions for missioning and reading the contents of a on how to detect whether your PC runs a 32-bit or 64-bit Thermochron. operating system. For more details on using the OneWireViewer, see 1) Double click on the file you just downloaded Application Note 4373: OneWireViewer and iButton Quick (install 1 wire drivers x64 v405.msi or newer). Start Guide and Application Note 3358: OneWireViewer 2) Select Run when prompted with the question Do Users Guide you want to run or save this file 3) The welcome setup wizard box opens for the One- Detailed Description of Software WireDrivers Setup. Click the Next button. For developing applications for the DS1925 Thermochron, 4) Read and check the box if you accept the license Maxim offers three software development kits (SDKs): agreement. Click Next. 1-Wire API for Java (OWAPI support). This is the foun- 5) Leave the destination folder to default and click dation for developing robust 1-Wire and iButton software Next. on platforms that have a Java Virtual Machine. It includes the above-mentioned OneWireViewer utility and its Java 6) Make sure DS9490R is unplugged and click Install. source code. In other words, this provides support for the If asked the question Would you like to install this 1-Wire link primitives, 1-Wire network, transport memory device software click Install. byte read/write, transport memory packet read/write and 7) Click the Finish button to exit the Setup Wizard. the 1-Wire files structure, which is the full list of support 8) After running the 1-Wire installation wizard, make for DS1925. Download here: sure internet is available and plug the DS9490R USB