The HC-05 Bluetooth TTL Module (6-Pin with Button) is a wireless communication module used to connect microcontrollers like Arduino to smartphones or PCs via Bluetooth. It supports serial communication and is ideal for automation and robotics projects.
Wireless Communication: Enables Bluetooth-based serial data transmission
HC-05 Module: Supports both Master and Slave modes
6-Pin Interface: VCC, GND, TXD, RXD, EN/KEY, STATE pins
Built-in Push Button: Used to enter AT command mode for configuration
Operating Voltage: 3.3V–6V input (internally regulated)
Serial Communication: Uses UART (TX/RX) for easy interfacing
LED Indicator: Shows pairing and connection status
Range: Up to ~10 meters (depends on environment)
Easy Configuration: Supports AT commands for name, baud rate, etc.
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.
Chipset: PCF8574 I/O Expander Interface: I2C (2-wire communication) Compatible LCD: 1602 (16×2) and 2004 (20×4) LCD Operating Voltage: 2.5V – 6V Default I2C Address: 0x27 or 0x3F Adjustable Contrast: Onboard Potentiometer Backlight Control: Jumper Enabled Communication Pins: VCC, GND, SDA, SCL
Type: PS2 Analog Joystick Module Operating Voltage: 3.3V – 5V Axes: X-Axis and Y-Axis Analog Output Switch Type: Built-in Push Button Interface Pins: VCC, GND, VRX, VRY, SW Output Signal: Analog (X/Y) + Digital (Button) Compatible Boards: Arduino, Raspberry Pi, ESP32, PIC
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.
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.