DC-DC buck converter module that steps higher input voltage down to stable 3.3V output up to 3.5A.

TPA3116D2 dual-channel digital amplifier board for high-power stereo audio output.

ADXL345 3-axis accelerometer module for tilt, motion, and vibration sensing.

STM32F401 development board for embedded applications using ARM Cortex-M4 microcontroller.

MPU6050 6-axis IMU combining 3-axis gyroscope and 3-axis accelerometer data.

5V 4-channel relay module for switching AC/DC loads from microcontroller outputs.

GY-31 color recognition sensor for detecting and classifying RGB colors.

Analog soil moisture sensor for monitoring water level in soil for irrigation projects.

TP4056 Type-C charging module for single 18650 Li-ion cells with charge management.

DS1302 real-time clock module for keeping date and time with battery backup.

HC-SR04 ultrasonic distance sensor for non-contact range measurement in robotics.

8x8 dot matrix display module with MAX7219 driver for scrolling text and simple graphics.

Sensor Shield V5 for Arduino Uno that expands I/O with easy 3-pin sensor connections.

E18-D80NK infrared proximity sensor with up to 80 cm object detection range.

MQ-3 alcohol sensor module for measuring alcohol vapor concentration in air.

SW420 vibration and tilt sensor module for shock detection and anti-tamper applications.

37-piece Arduino sensor kit with common modules for prototyping, learning, and classroom experiments.

QTR-1A analog reflectance sensor for line tracking and surface contrast detection.

MQ-2 gas sensor module for detecting LPG, propane, hydrogen, and combustible gas leaks.

Compact PIR motion sensor module for detecting human movement in automation and alarm systems.

Geared stepper motor with ULN2003 driver board for precise low-speed rotation in Arduino motion projects.