Illya xDevs.com
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Description
Precision thermometer + humidity sensor with digital I2C interface
This is a 2-layer sensor FlexPCB with Sparkfun Qwiic connector for I2C connection to host controller, such as Raspberry Pi or similar. Flex PCB has provision for address setting resistors for both temperature and humidity sensors.
The "business" end of the flex PCB has footprints for DFN-packaged Texas Instruments TMP11X series digital temperature sensors such as TMP117 or TMP119 with accuracy <0.1°C and Sensirion AG SHT4X series digital humidity sensor. Flex length is 202 mm, width 7.6mm and thickness around 0.1mm + components height.
More details, photos, tests and code examples are public at https://xdevs.com/guide/xth/ page.
Schematic and Layout
Feb 18,2024
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Precision thermometer + humidity sensor with digital I2C interface
Flexible PCB sensor stick for dual Texas Instruments TMP117/119 temperature sensor and Sensirion AG SHT45 humidity sensor.
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Published: Feb 18,2024
Download Gerber file 4
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