Contributors: santaimpersonator
IntroductionThe SparkFun Photodetector - MAX30101 (Qwiic) is the successor to the MAX30105 particle sensor, a highly sensitive optical sensor. This tutorial will get you up and running to retrieve the raw data from the MAX30101 sensor.
The MAX30101 includes three LEDs and an optical detector in a single package, which can be utilized as a wearable, biosensor for pulse oximeter and heart-rate measurements. For accurate and reliable biometric readings, we recommend the SparkFun Pulse Oximeter and Heart Rate Sensor, which utilizes proprietary algorithms programmed on the MAX32664 Biometric Sensor Hub. Other possible applications include proximity sensing and particle detection by measuring the changes in light that is reflected back from the LEDs.
Required MaterialsThe Qwiic Photodetector Sensor does need a few additional items for you to get started. The RedBoard Qwiic will be used for the Arduino examples. A single board computer and the Qwiic pHAT are required for the Python examples (see note below). You may already have a few of these items, including the required Qwiic cable, so feel free to modify your cart based on your needs. Additionally, there are also alternative parts options that are available as well (click button below to toggle options).
SparkFun Qwiic Cable Kit KIT-15081To make it even easier to get started, we've assembled this Qwiic Cable Kit with a variety of Qwiic cables from 50mm to 500mm…
SparkFun RedBoard Qwiic DEV-15123The SparkFun RedBoard Qwiic is an Arduino-compatible development board with a built in Qwiic connector, eliminating the need …
USB Micro-B Cable - 6 Foot CAB-10215USB 2.0 type A to Micro-B 5-pin. This is a new, smaller connector for USB devices. Micro-B connectors are about half the heig…
Qwiic Compatible Microcontrollers:
SparkFun RedBoard Qwiic DEV-15123The SparkFun RedBoard Qwiic is an Arduino-compatible development board with a built in Qwiic connector, eliminating the need …
SparkFun Thing Plus - SAMD51 DEV-14713With a 32-bit ARM Cortex-M4F MCU, the SparkFun SAMD51 Thing Plus is one of our most powerful microcontroller boards yet!
SparkFun Thing Plus - ESP32 WROOM WRL-14689The SparkFun ESP32 Thing Plus is the next step to get started with Espressif IoT ideations while still enjoying all the ameni…
RetiredIn addition we also offer, Qwiic compatible stackable shields for microcontrollers and pHATs for single board computers (like the
Raspberry Pi boards) that don't include a Qwiic connector.
SparkFun Qwiic Adapter DEV-14495The SparkFun Qwiic Adapter provides the perfect means to make any old I2C board into a Qwiic enabled board.
SparkFun Qwiic Shield for Arduino DEV-14352The SparkFun Qwiic Shield is an easy-to-assemble board that provides a simple way to incorporate the Qwiic Connect System wit…
SparkFun Qwiic Shield for Thing Plus DEV-16138The SparkFun Qwiic Shield for Thing Plus makes it so you can use SparkFun's Qwiic connect ecosystem with development boards t…
Retired SparkFun Qwiic pHAT for Raspberry Pi DEV-15351The SparkFun Qwiic pHAT for Raspberry Pi is the quickest and easiest way to make your way into the Qwiic ecosystem and still …
Retired SparkFun Top pHAT for Raspberry Pi DEV-16301Feeling Fancy? The SparkFun Top pHAT is the fundamental machine learning add-on for Raspberry Pi or any 2x20 GPIO SBC!
RetiredYou will also need a Qwiic cable to connect to your MAX30101 (Qwiic), choose a length that suits your needs.
Qwiic Cable - 100mm PRT-14427This is a 100mm long 4-conductor cable with 1mm JST termination. It’s designed to connect Qwiic enabled components together…
Qwiic Cable - 50mm PRT-14426This is a 50mm long 4-conductor cable with 1mm JST termination. It’s designed to connect Qwiic enabled components together …
Retired Qwiic Cable - 200mm PRT-14428This is a 200mm long 4-conductor cable with 1mm JST termination. It’s designed to connect Qwiic enabled components together…
Retired Qwiic Cable - 500mm PRT-14429This is a 500mm long 4-conductor cable with 1mm JST termination. It’s designed to connect Qwiic enabled components together…
Retired Raspberry Pi 3 B+ DEV-14643The Raspberry Pi 3 B+ is here to provide you with the same Pi as before, but now with gigabit and PoE capable Ethernet!
Multimedia Wireless Keyboard WIG-14271With Single-Board Computers (SBCs) on the rise, it is a good idea to have an easy way to interface with them. Operating on a …
pi-topCEED (Green) KIT-14035The pi-topCEED is a DIY desktop computer that helps you start learning how to code, create awesome devices and take your know…
Retired Rubber BandNote: For the heart beat plotter examples, users will require a small to medium size rubber band.
Suggested ReadingIf you're unfamiliar with serial terminals, jumper pads, or I2C be sure to checkout some of these foundational tutorials. The MAX30105 is designed for a handful of uses including Pulse Oximetry. If you're unfamiliar with optical pulse detection there are some very good application notes from TI and NXP that have great starter information.
Installing an Arduino LibraryHow do I install a custom Arduino library? It's easy! This tutorial will go over how to install an Arduino library using the Arduino Library Manager. For libraries not linked with the Arduino IDE, we will also go over manually installing an Arduino library.
Logic LevelsLearn the difference between 3.3V and 5V devices and logic levels.
I2CAn introduction to I2C, one of the main embedded communications protocols in use today.
Serial Terminal BasicsThis tutorial will show you how to communicate with your serial devices using a variety of terminal emulator applications.
How to Work with Jumper Pads and PCB TracesHandling PCB jumper pads and traces is an essential skill. Learn how to cut a PCB trace, add a solder jumper between pads to reroute connections, and repair a trace with the green wire method if a trace is damaged.
RedBoard Qwiic Hookup GuideThis tutorial covers the basic functionality of the RedBoard Qwiic. This tutorial also covers how to get started blinking an LED and using the Qwiic system.
Raspberry Pi SPI and I2C TutorialLearn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.
Qwiic pHAT for Raspberry Pi Hookup GuideGet started interfacing your Qwiic enabled boards with your Raspberry Pi. The Qwiic pHAT connects the I2C bus (GND, 3.3V, SDA, and SCL) on your Raspberry Pi to an array of Qwiic connectors.
The Qwiic Photodetector utilizes the Qwiic connect system. We recommend familiarizing yourself with the Logic Levels and I2C tutorials (above) before using it. Click on the banner above to learn more about our Qwiic products.
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