MAX30101 Breakout - Heart Rate, Oximeter, Smoke Sensor

MAX30101 Breakout - Heart Rate, Oximeter, Smoke Sensor

Marsoni

M251S

$29.95

Get it in 3 business days with 1 day shipping. Friday, May 29

MAX30101 Breakout - Heart Rate, Oximeter, Smoke SensorThe MAX30101 breakout is a sophisticated heart rate, oximeter, and smoke particle sensor, compatible with Raspberry Pi and Arduino. It features three LEDs (green, red, and infra red) and photodetectors to detect the amount of light reflected back. Using photoplethysmography (PPG), it can detect skin color changes with each heartbeat when pressed against a fingertip. This sensor can also detect particles in the air, like smoke, by measuring the light

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I've got probably 10 of these, now. The squeaker fails pretty quickly. But our dog still likes them, just not as much as when they squeak. I'm tossing these a good 75 yards and farther. The Chuckit glowballs make sounds through their holes so no separate squeakers there. Dog really likes those glowballs.

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Reviewed in the United States on March 26, 2026

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MRSWST

Massapequa, US

★★★★★ 4

Great quality but the squeaker doesn't last long - still a good value

Size: Medium, Style: Squeaker

I have golden retrievers who never get tired of playing balls. These are VERY durable. No seams to split. They tend to chew as they bring the balls back, so the squeaker doesn't last long. Would highly recommend these. I have them on auto-delivery!

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Reviewed in the United States on December 15, 2025

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Natalie Oakley

Lake Worth, US

★★★★★ 5

Highly recommend

Size: Medium, Style: Squeaker

My dog loves these! They are now his absolute favorite! The squeaker lasts a lot longer than most. The rubber isn’t hard on his teeth and he likes how squishy they are and continues to play with it long after the squeaker dies. Highly recommend and will be buying more

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Reviewed in the United States on May 5, 2026

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Mr. Christopher B. Kende

Charlottesville, US

★★★★★ 5

Great fetch toy.

Size: Medium, Style: Squeaker

My dog loves these balls. They are a bit softer than the normal ones and bounce well. The squeaker is not too loud but definitely makes the ball more interesting. I highly recommend these.

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Reviewed in the United States on May 28, 2026