These files were created in Design Spark Schematic Layout and PCB Capture Software
The guides below cover assembly of the current kit. The DesignSpark files in this repository are the hardware design source.
Choose the stabilizer ring for finger placement or the ear clip for earlobe placement. Follow the preparation steps before putting the sensor against your skin.
Ring assembly · Ear-clip assembly · All assembly steps in text
Everything needed for ring assembly is included in the current PulseSensor Kit: sensor, stabilizer ring, strap, clear face cover, and rear mounting dot.
Read the ring steps on GitHub · Full ring guide on PulseSensor.com
Try the pads, sides, or knuckles of your fingers on either hand. Place the covered sensing face against skin, not the nail. Use light, steady contact and keep your hand still. Try one spot at a time and compare the signal.
The ear clip, sensor, and clear face cover are included in the kit. A hot-glue gun and glue are required and are not included. Use a low-temperature gun with compatible, plain, non-toxic glue sticks. Keep glue off the sensing face and let all glue cool fully before handling or wearing.
Read the ear-clip steps on GitHub · Full ear-clip guide on PulseSensor.com
A compatible development board, USB data cable, and computer are not included in the kit. The wiring shown is for an Arduino UNO; use the correct analog pin and voltage for other boards. Click either instruction image to view it at full size.
Assembly guides © 2026 World Famous Electronics LLC · PulseSensor. Updated November 2026.
You will need to copy the contents of DesignSparkLibraryFiles into the default Library that Design Spark uses. Normally something like
Documents\DesignSpark PCB\Library
This is the only way you will be able to use or modify the APDS-9008 part or the reverse mount LED part.
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