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Ships within 48 hours · Estimated delivery Oct 8 - Oct 13
For Your Every Summer RSVP, with Code: SUMMER15
Description
Heartbeat Monitoring SystemPROJECT NAMEHeartbeat Monitoring System PROJECT DESCRIPTIONThe Heartbeat Monitoring System is a biomedical electronics project used to measure and monitor a persons heart rate in real time. It works by using a heartbeat or pulse sensor that detects variations in blood flow through the fingertip or earlobe. The sensed signal is processed by a microcontroller to calculate heart rate, which can be displayed on a screen or transmitted for further

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4.8 ★★★★★
Based on 949 reviews
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Product Reviews
★★★★★ 5
2 year old thumbs up
Format: Hardcover
My 2 year old grandson enjoys this book. He will go to it on his own and will push each of the buttons to hear the sounds. So far the book has worked well and I would highly recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2025
★★★★★ 4
Wordy
Format: Hardcover
Parents like the book. did not see if the kid like it. He was sleeping. They said it was good to bring while in the car. (but drove the driver nuts, after the 4 or 5th time of hearing it. Haha
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Reviewed in the United States on December 6, 2025
★★★★★ 5
A fun book with sounds and pictures
Format: Hardcover
My grandson loves this book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2025
★★★★★ 5
Great book
Format: Hardcover
Grandson loves it, 18 mo
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Reviewed in the United States on August 27, 2025
★★★★★ 5
Great book
Format: Hardcover
You can’t go wrong with sound books and baby Einstein. Great quality book. My grandson loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2025
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