# BHI160B Reference design ## Description This project is a reference design for the BHI160B sensor featuring an I2C interface with QWIIC and pin headers. The design includes decoupling capacitors and pull-up resistors for signal integrity. It's powered by a 3.3V supply. #referenceDesign #project #sensor #accelerometer #BHI160B #referenceDesign #imu #stm #template #reference-design ## Project Details - **Owner:** vasy_skral - **Created:** 10/25/2023 - **Last Updated:** 2/8/2024 - **Visibility:** Public - **Manufacturing Quantity Target:** 10 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 4 ## Key Components ### J1 — [QWIIC I2C JST Connector](https://www.flux.ai/vasy_skral/qwiic-i2c-jst-connector.md) - Manufacturer Name: JST Sales America Inc. - Manufacturer Part Number: SM04B-SRSS-TB - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/JST%20PDFs/SR%20Connector.pdf - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J2 — [Pin Header 01x06 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x06-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### U1 — [BHI160B](https://www.flux.ai/vasy_skral/bhi160b.md) - Datasheet URL: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bhi160b-ds000.pdf - Manufacturer Part Number: BHI160B - Manufacturer Name: Bosch Sensortec - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Sensor **Pins:** - ASCK [pin 7] - ASDA [pin 21] - DNC [pin 2] - GND [pin 18] - GNDIO [pin 20] - GPIO1 [pin 3] - GPIO2 [pin 11] - INT [pin 12] - NC [pin 16] - NC [pin 6] - NC [pin 19] - NC [pin 1] - NC [pin 15] - NC [pin 17] - NC [pin 14] - RESV2 [pin 4] - RESV3 [pin 5] - RESV4 [pin 22] - SA_GPIO7 [pin 9] - SCK [pin 23] - SDA [pin 24] - VDD [pin 13] - VDDIO [pin 8] - VREG [pin 10] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/bhi160b-reference-design](https://www.flux.ai/vasy_skral/bhi160b-reference-design).* --- *Generated from [https://www.flux.ai/vasy_skral/bhi160b-reference-design](https://www.flux.ai/vasy_skral/bhi160b-reference-design)*