Yocto-bridge

Yocto-Bridge

  

The Yocto-Bridge is a precision ratiometric analog/digital converter to measure over USB the very weak voltage produced by a load cell, as used in weighing scales, or any other type of strain sensor or other sensor with a Wheatstone bridge output.

The measure is performed by a 32 bit A/D with built-in preamplifier and FIR filter, which allows for a sensitiity of a few nV/V. The device includes a built-in temperature sensor, which can be internal or external NTC, to cancel temperature drift inherent to load cells, both in offset and span. The Yocto-Bridge can also apply AC excitation to cancel thermocouple effects, and perform zero tracking for simple applications where the measured signal frequently comes back to zero.

This version includes a single ratiometric inputs. If you intend to build a weighing scale with four load cells, you can use the Yocto-MaxiBridge instead, which includes four ratiometric inputs.

This device can be connected directly to an Ethernet network using a YoctoHub-Ethernet, to a WiFi network using a YoctoHub-Wireless-g, it can even be connected to a GSM network thanks to the YoctoHub-GSM.

Yocto-Bridge Yocto-Bridge Yocto-Bridge

USB cables and enclosure to be ordered separately.

CHF 91.87

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Specifications

Manufacturer Product NumberYWBRIDG1
Product name:Yocto-Bridge
Width20mm
Length60mm
Weight7g
USB connectormicro-B
Channels1
Refresh rate2 or 7Hz
Précision (typ.)10nV/V
Excitation voltage4.7V AC/DC
ChipsetTexas ADS1263
Normal operating temperature5...40°C
Extended operating temperature-30...85°C
Supported Operating SystemsWindows (PC + IoT), Linux (Intel + ARM), macOS, Android
Driversno driver needed
API / SDK / Libraries (USB+TCP)C++, Objective-C, C#, VB.NET, UWP, Delphi, Python, Java, Android
API / SDK / Libraries (TCP only)Javascript, Node.js, PHP
RoHSyes
Suggested enclosureYoctoBox-Long-Thick-Black
Made inSwitzerland

Related articles and application examples

 Yocto-Visualization,  a free visualization app  New: Yocto-Bridge and Yocto-MaxiBridge  Implementing a scale with Windows 10 IoT 

Downloads

User manual (HTML)
User manual (PDF)
Blueprints
3D file (STEP)
RoHS Certificate (PDF)
Last Firmware29903 (02/07/2018)
Library for Javascript29837 (02/02/2018)
Library for PHP30378 (03/15/2018)
Library for Objective C29837 (02/02/2018)
Library for C++29837 (02/02/2018)
Library for C#29837 (02/02/2018)
Library for VisualBasic .NET29837 (02/02/2018)
Library for Delphi29837 (02/02/2018)
Library for Python30378 (03/15/2018)
Library for Java30378 (03/15/2018)
Library for Android30378 (03/15/2018)
Library for Command line29837 (02/02/2018)
Virtual Hub for Windows30566 (04/10/2018)
Virtual Hub for Linux, Intel + ARM30566 (04/10/2018)
Virtual Hub for Mac-OS-X30566 (04/10/2018)


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