MAX30100 is an integrated heart rate and SpO₂ (blood oxygen) sensor module. It is widely used in wearable, medical, and Arduino-based health monitoring projects.
Sensor IC: MAX30100
Functions: Heart Rate & SpO₂ Measurement
Operating Voltage: 1.8V – 3.3V (onboard regulator supports 5V)
Interface: I2C (SDA, SCL)
LED Type: Red & Infrared LEDs
Operating Current: Low power consumption
Compatible Boards: Arduino, ESP8266, ESP32, Raspberry Pi
Application Area: Wearables, medical devices, health monitoring
The COOLCOLD USB rechargeable green laser pointer delivers powerful long-range performance up to 2000 meters, with adjustable lighting modes. Compact and handheld, it is ideal for parties, disco lighting effects, outdoor activities, camping, and hiking.
4-node smart switch with dual WiFi & Bluetooth connectivity, app and voice control support, timer/scheduling features, and easy retrofit installation. Made in India for modern smart home automation
MAX7219 Dot Matrix Module is an easy-to-use LED display module for showing text, numbers, symbols, and animations using microcontrollers.
I2C LCD interface module reduces wiring and allows easy control of 16×2 and 20×4 LCD displays using only two data pins.
This joystick module is used to control movement in two directions (X and Y axis). It is ideal for Arduino, robotics, gaming controls, and DIY electronics projects.
PAM8403 is a small, high-efficiency stereo audio amplifier module. It delivers clear sound output and is ideal for Arduino, DIY audio, and portable speaker projects.
This voltage sensor module is used to measure DC voltage using Arduino. It safely converts high voltage into a readable analog signal.
PCA9685 is a 16-channel PWM driver module used to control multiple servo motors. It is ideal for Arduino, robotics, and multi-servo control applications.
16×2 character LCD display with blue backlight and I2C interface. Ideal for Arduino and DIY projects with fewer wiring connections.
ISD1820 is a standalone voice recording and playback module. It allows you to record and play audio messages easily in DIY and Arduino projects.