Measuring Heart Rate and Blood Oxygen Saturation with Arduino UNO: High Accuracy!

Measuring Heart Rate and Blood Oxygen Saturation with Arduino UNO: High Accuracy!

This project uses an Arduino UNO board connected to the MAX30102 module (pulse oximeter and heart rate monitoring module), along with an OLED display and a buzzer for BPM measurement. BPM stands for “beats per minute”, which is about 65-75 for a normal person at rest, and may drop below this during sports activities. SpO2 … Read more

Driving Nokia 5110 Display with Arduino

Driving Nokia 5110 Display with Arduino

In this article, we will learn how to use Arduino to drive the Nokia 5110 display. Previously, I learned how to drive the Nokia 5110 display with Raspberry Pi to show system information. 1. Hardware Connection #define PIN_SCE 7#define PIN_RESET 6#define PIN_DC 5#define PIN_SDIN 4#define PIN_SCLK 3VCC 3.3VGng GroundBL 5V No additional resistors or capacitors … Read more

Using OLED Screen with Arduino Uno (Basics)

Using OLED Screen with Arduino Uno (Basics)

Experiment Effect A simple demonstration of how to light up the OLED screen with Arduino Uno and display some simple English or characters. Note! This example uses an OLED screen with an SSD1306 chip, please confirm whether the OLED screen you have uses the same model chip. Component Description The OLED display does not require … Read more