Table of Contents
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SEK-SensorBridge Technical Guide
Connecting Bridge with 2 Sensor Ports
Highlights
I2C Bus with speeds up to 1MHz
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1.2V-5.5V Selectable supply in voltage steps
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Connect up to 2 Sensor Evaluation Kits
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The SEK-SensorBridge (referred to as SensorBridge) is the universal tool of Sensirion when it comes to
evaluation. Sensirion offers a huge variety of sensors and SensorBridge is used to connect the different
Evaluation Kits and the different evaluation tools and drivers Sensirion offers.
www.sensirion.com / D1
Micro USB Virtual COM Port
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RS485 Serial Connector
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Version 1 – Jan 2023
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Table of Contents
Summary of Contents for SENSIRION SEK-SensorBridge
- Page 1 Connect up to 2 Sensor Evaluation Kits • The SEK-SensorBridge (referred to as SensorBridge) is the universal tool of Sensirion when it comes to evaluation. Sensirion offers a huge variety of sensors and SensorBridge is used to connect the different Evaluation Kits and the different evaluation tools and drivers Sensirion offers.
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Page 2: Table Of Contents
2.1 RJ45 Connection ..................................4 2.2 RS485 Connection..................................5 Software Compatibility ..................................6 3.1 ControlCenter compatibility ..............................6 3.2 Python compatibility ................................6 Evaluation Kit Compatibility list ..............................7 Revision History ....................................9 www.sensirion.com / D1 Version 1 – Jan 2023 2 / 10... -
Page 3: Quick Start Guide
4. Launch ControlCenter Figure 1. Typical connection diagram to a computer with a SensorBridge and Sensor Evaluation Kit. Find about the evalution kits on Sensirion Website: Sensor evaluation (sensirion.com) Find about the compatibility list of SensorBridge in the Evaluation Kit Compatibility list www.sensirion.com / D1... -
Page 4: Sensorbridge Hardware Specifications
The Pinout and the Pin association with the connector are shown in the following table and diagram: MISO MOSI Analog In Table 1. Pinout and Pin association Diagram for the RJ45 Connector www.sensirion.com / D1 Version 1 – Jan 2023 4 / 10... -
Page 5: Rs485 Connection
Table 2. Pinout and Pin association Diagram for the RS485 Connector Please note that for the RS485 connection to work Sensorbridge must not be connected through the Micro USB connector. www.sensirion.com / D1 Version 1 – Jan 2023 5 / 10... -
Page 6: Software Compatibility
4. Launch ControlCenter 3.2 Python compatibility For users who want to prototype using their Sensor Evaluation Kits and Sensorbridge, Sensirion provides a Python Library to connect through the SensorBridge to the Sensor. The library implements the Sensirion SHDLC protocol based on the UART protocol. - Page 7 There is no limit as to how many SensorBridges can be connected at the same computer. The only limitation is that each SensorBridge can have at most 3kHz frequency in the measurements. www.sensirion.com / D1 Version 1 – Jan 2023...
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Page 8: Evaluation Kit Compatibility List
3.000.670 3.000.764 SEK-SDP8xx 3.000.763 SEK-SDP31 SEK-SFM4300-20-P 3.000.399 SEK-SFM4200 3.000.326 3.000.325 SEK-SFM4100 3.000.324 SEK-SFM3200 3.000.613 SEK-SFM3119 SEK-SFM3019 3.000.420 SEK-SFM3013 3.000.525 3.000.524 SEK-SFM3003 3.000.323 SEK-SFM3000 Table 3. Evaluation Kit Compatibility List. www.sensirion.com / D1 Version 1 – Jan 2023 8 / 10... -
Page 9: Revision History
Revision History Date Version Pages Changes Date (Month Year) Initial version Date (Month Year) www.sensirion.com / D1 Version 1 – Jan 2023 9 / 10... - Page 10 Warranty SENSIRION warrants solely to the original purchaser of this product for a period of 12 months (one year) from the date of delivery that this product shall be of the quality, material and workmanship defined in SENSIRION’s published specifications of the product.
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