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Si7021 Board v1

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Status: Completed

Introduction

Si7021 is a relative humidity and temperature Sensor and this board is the simplest Base Board compatible breakout board for it.

Design

Si7021 Board v1 gerbers
Si7021 Board v1 3D
Si7021 Board v1 schema

BoM

Ref Value Digikey ref Mouser ref
C1 0.1uF - -
C2 0.22uF - -
R1, R2 10kΩ - -
U1 Si7021 SI7021-A20-IM1 -
CN1, CN2 0.1" pin header - -

Features

  • Dig I2C 3% RH + Temp Sensor + Cover, ±0.4 °C, ±4%, -40 to 125 °C

Errata

  • Wrong sized holes for the 0.1" pin header