Lysignal MAX30100 Pulse Oximeter Heart Rate Sensor Module for Arduino for Wearable Health Fitness Assistant Devices Medical Monitoring Devices

MakerFocus Heart-Rate Sensor Module, MAX30102 Blood Oxygen Sensor, Compatible with Arduino STM32

SparkFun (PID 14045) Particle Sensor Breakout - MAX30105

Heart Rate Click GY-MAX30102 Sensor Optical Heart-Rate Monitor Module for Arduino

ELEGOO for Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable)

MakerFocus 2pcs I2C OLED Display Module 0.91 Inch I2C SSD1306 OLED Display Module White I2C OLED Screen Driver DC 3.3V~5V for Arduino

ELEGOO UNO R3 Board ATmega328P ATMEGA16U2 with USB Cable Compatible with Arduino IDE Projects, RoHS Compliant

Elegoo EL-CP-004 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino

ELEGOO MEGA 2560 R3 Board ATmega2560 ATMEGA16U2 + USB Cable Compatible with Arduino IDE, RoHS Compliant

HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE

OCR 24Value 500pcs Electrolytic Capacitor Assortment Box Kit Range 0.1uF－1000uF