# Pulse oximeter sensor MAX30101, optical heart-rate and SpO2 module, supply 3.3–5V DC

**URL:** https://aio.lv/en/product--pulse-oximeter-sensor-max30101-optical-heart-rate-and-spo2-module-supply-33-5v-dc--4488581
**Data updated:** 2026-02-12 14:10 (EET)
**Category:** Other Repair Parts
**Manufacturer code:** EB603940452#
**EAN:** 3100001042881
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-08-18 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--pulse-oximeter-sensor-max30101-optical-heart-rate-and-spo2-module-supply-33-5v-dc--4488581

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.79 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

MAX30101 is an integrated optical sensor module for measuring heart rate and blood oxygen saturation (SpO2). Designed to operate from 3.3 to 5 V DC, it combines LEDs, photodetector and low-noise optics in a compact package for wearable and medical monitoring projects. Suitable for prototyping, health-tracking devices and embedded systems requiring reflective pulse oximetry measurements.

## Long description

MAX30101 is an integrated optical sensor module for measuring heart rate and blood oxygen saturation (SpO2). Designed for operation from 3.3 V to 5 V DC, the module combines red and infrared LEDs, a photodetector and low-noise optics in a compact package suitable for wearable and embedded projects. The sensor implements reflective pulse oximetry and provides a small footprint and simple electrical interface for rapid prototyping and integration into health-tracking devices and measurement systems.
Advantages
The MAX30101 module integrates illumination and detection elements with signal conditioning to deliver reliable photoplethysmographic (PPG) signals while minimizing external components. Its wide supply range (3.3–5 V) allows compatibility with common microcontrollers and development boards. Low-noise optics and on-board LEDs reduce the need for additional analog front-end hardware, making it convenient for compact designs and battery-powered applications. The module’s compact dimensions and standardized pin interface simplify placement in prototypes and wearable enclosures.
Suitable for (tasks / use cases)
Wearable heart rate monitoring (wristbands, smart patches)
SpO2 measurement in health-tracking devices
Prototyping biomedical sensors and embedded systems
Activity trackers and fitness electronics requiring reflective pulse oximetry
Educational projects and development-board experiments
Key specifications
Operating voltage range: 3.3–5 V DC
Sensing method: reflective pulse oximetry (photoplethysmography)
Integrated components: red and infrared LEDs, photodetector, low-noise optics
Output: analog PPG signal suitable for microcontroller ADC or digital front-end processing depending on host implementation
Form factor: compact module for embedded and wearable placement
How to use
Connect power (3.3–5 V) and ground, and interface the module to your microcontroller or ADC input per the module’s pinout. Place the sensing area in contact with the skin surface where blood perfusion is present (fingertip, wrist, or earlobe) to obtain reflective PPG signals. Adjust sampling rate and LED drive settings in firmware to balance signal quality and power consumption. Use filtering and signal-processing algorithms on the host side to extract heart rate and SpO2 values from the raw photodetector readings.
Usage recommendations
For best results, ensure good skin contact and minimize motion during measurement. Calibrate signal-processing parameters for your intended placement (wrist, fingertip) and test under expected ambient light conditions. When using battery power, consider reducing LED drive intensity and sampling frequency to extend operating time while maintaining acceptable measurement accuracy.

## FAQ

### How much does the Pulse oximeter sensor MAX30101 — 3.3–5V module cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 27.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4488581/17400714_large.webp