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Summary of Contents for Yoctopuce YoctoHub-Shield
- Page 1 YoctoHub-Shield User's Guide...
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Page 3: Table Of Contents
Table of contents 1. Introduction ..........................2. Presentation ..........................3. Connections ..........................4. Assembly ............................ 5. Characteristics ........................www.yoctopuce.com... - Page 4 www.yoctopuce.com...
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Page 5: Introduction
1. Introduction The YoctoHub-Shield is a 50x58mm electronic module enabling you to add 4 ports to a YoctoHub- Ethernet or to a YoctoHub-Wireless. You can cascade several of these YoctoHub-Shields on the same hub. As all Yoctopuce products, the YoctoHub-Shield is plug-and-play: you only need to connect it to a hub for its ports to start working immediately. - Page 6 www.yoctopuce.com...
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Page 7: Presentation
Normally, the Yocto-led is used to indicate that the module is working smoothly. The Yocto-led then emits a low blue light which varies slowly, mimicking breathing. The Yocto-led stops breathing when the module is not communicating any more, as for instance when powered by a USB hub which is disconnected from any active computer. www.yoctopuce.com... - Page 8 Yoctopuce support Trunk bus connector The trunk bus connector is used to connect the YoctoHub-Shield to the master hub and to chain shields. It is based on 10 pole Picoflex connectors.
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Page 9: Connections
10 pole Picoflex connector at each end. A YoctoHub-Shield connected to a YoctoHub The cable provided with the YoctoHub-Shield is very short on purpose. The bus linking all the shields with the master YoctoHub must be as short as possible in order to maintain high quality communications. - Page 10 Since the YoctoHub-Shield allows to build huge stacks of devices, it's tempting to have several projects running at the same time on the same shield stack. However, a Yoctopuce hub is able to manage only 8 connections in parallel. An application using the Yoctopuce API to access a hub needs 2 connections, the first one for the set/get functions, and the second one to manage callbacks and plug-and-play events.
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Page 11: Assembly
Make sure nevertheless that the complete device is properly ventilated. You can stack several YoctoHub-Shields The YoctoHub-Shield is also designed to enable you to directly fix on it four single-width modules, two on each side. Make sure to assemble the modules on the correct side: assembly holes and square pads must be aligned. - Page 12 4. Assembly You can assemble up to four modules directly on a YoctoHub-Shield www.yoctopuce.com...
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Page 13: Characteristics
5. Characteristics You can find below a summary of the main technical characteristics of your YoctoHub-Shield module. Product ID YHUBSHL1 † Rev. B Hardware release Width 58 mm Length 50 mm Weight 17 g Channels Protection class, according to IEC 61140... - Page 14 5. Characteristics www.yoctopuce.com...