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Buzzer 5V Active
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Showing 25–48 of 76 results
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Compatible with Arduino, Development Boards
Arduino UNO R3 SMD Atmega328P Board – Clone Compatible Model
Compatible with Arduino, Development BoardsArduino UNO R3 SMD Atmega328P Board – Clone Compatible Model
- ATmega328P SMD Microcontroller (pre-soldered, space-saving design)
- Fully Arduino UNO R3 Compatible
- 14 Digital I/O Pins (6 with PWM output)
- 6 Analog Inputs | 16 MHz Clock Speed
- CH340G USB-to-Serial Converter
- Operating Voltage: 5V | Input Voltage: 7–12V DC
- Compact & Durable SMD Design
SKU: 10010002 -
Communication Cables, Development Boards, Wires & Cables
Arduino Uno/Mega USB Cable (USB A To B)- 20CM
Communication Cables, Development Boards, Wires & CablesArduino Uno/Mega USB Cable (USB A To B)- 20CM
- Cable type: USB A (male) to USB B (male)
- Length: 20 centimeters
- Compatible with Arduino Uno, Arduino Mega, and other USB B devices
- Supports data transfer and power supply
- Durable, flexible cable with secure connectors
- Compact length ideal for clutter-free workspaces
SKU: 21010001 -
Motors | Drivers | Pumps | Actuators
BO motor wheels 4.5×1.2 cm With Rubber Grip
- Size: Diameter 4.5 cm, Width 1.2 cm
- Compatible with standard BO motors
- Rubber grip for better traction and control
- Durable plastic construction with press-fit design
- Lightweight and easy to assemble
- Ideal for small robotic and automation projects
SKU: 17060002 -
Buzzers, Components
Buzzer 5V Active
- Type: Active Buzzer (built-in oscillation circuit)
- Operating Voltage: 3.3V to 5V DC (Optimized for 5V)
- Sound Output: ~85 dB at 10cm
- Frequency: ~2.7kHz
- Current Consumption: ~30mA
- Dimensions: 12mm diameter x 9mm height (approx.)
- Pin Type: 2-pin (standard through-hole)
SKU: 22120001 -
DC Connectors, Switches and Connectors
DC Barrel Jack – Male – PCB Mount – 3 pin – TH
- 3-pin male DC barrel jack
- Through-hole (THT) mount for PCB
- Compatible with 5.5mm outer / 2.1mm or 2.5mm inner DC plugs
- Reliable and sturdy power connection
- Common in Arduino, CCTV, and embedded systems
SKU: 18110001 -
Soldering & Accessories
Desoldering Wick / Wire – 1 Meter
- Length: 1 meter
- Material: High-quality fine copper braid
- Quickly removes excess solder from PCB pads
- Ideal for repairing or replacing electronic components
- Works with all standard soldering irons
- Leaves pads clean without damage
- Essential for hobbyists, professionals, and students
SKU: 19050001 -
Sensors, Temperature & Humidity Sensor
DHT11 Temperature and Humidity Sensor Module
- Temperature range: 0°C to 50°C (±2°C accuracy)
- Humidity range: 20% to 90% RH (±5% accuracy)
- Operating voltage: 3.3V to 5V
- Digital output – single wire interface
- Compact size and low power consumption
- Fully compatible with Arduino, ESP8266, ESP32, STM32, and Raspberry Pi
- Supported by open-source libraries (DHTlib, Adafruit DHT)
SKU: 12010001 -
Sensors, Touch & Capacitive Sensors
Digital Sensor TTP223B Module Capacitive Touch Switch
- Digital output touch switch based on TTP223B chip
- Single touch channel with toggle mode operation
- Operating voltage: 2V to 5.5V DC
- Low power consumption and quick response time
- Easy to interface with most microcontrollers
- Stable and noise-resistant performance
- Compact and lightweight design
SKU: 12080002 -
Modules, RTC Modules
DS3231 RTC Module Precise Real Time Clock I2C – AT24C32
- High-precision DS3231 RTC IC with built-in crystal and temperature compensation
- Integrated AT24C32 32KB EEPROM
- I2C interface (SDA/SCL) – easy integration with Arduino, ESP32, Raspberry Pi, STM32, etc.
- Tracks seconds, minutes, hours, day, date, month, year with leap year compensation
- Backup battery support (CR2032) for uninterrupted timekeeping
- Operating voltage: 3.3V – 5V
- Onboard pull-up resistors and solder pads for configuration
SKU: 14090002 -
Modules, Relay Modules
Dual Axis XY Joystick Module
- Dual-axis analog joystick (X and Y)
- Integrated push-button (Z-axis) functionality
- Analog outputs for X and Y (VRx, VRy)
- Operating voltage: 3.3V – 5V
- Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, STM32, etc.
- Smooth and responsive movement with self-centering
- Ideal for gaming projects, robotic arm control, and camera pan-tilt mechanisms
SKU: 14990001 -
Development Boards, ESP32 Boards, IoT & Wireless, Wi-Fi
ESP32 Development Board with Wifi and Bluetooth – 30 PIN
Development Boards, ESP32 Boards, IoT & Wireless, Wi-FiESP32 Development Board with Wifi and Bluetooth – 30 PIN
- ESP32 Dual-Core Xtensa LX6 Processor (up to 240MHz)
- Built-in 2.4GHz WiFi (802.11 b/g/n)
- Bluetooth 4.2 (Classic + BLE)
- 30 GPIO Pins with Multiple Functions (PWM, ADC, I2C, SPI, UART, etc.)
- Supports Deep Sleep & Low-Power Modes
- Integrated Hall Sensor, Temperature Sensor & Touch Sensors
- Micro USB Interface for Easy Programming
- Compatible with Arduino IDE, ESP-IDF, and PlatformIO
SKU: 10030001 -
Communication Cables, Wires & Cables
ESP32 Micro USB Cable – 1 Meter
- Connector type: USB A (male) to Micro USB (male)
- Length: 1 meter (approximately 3.3 feet)
- Compatible with ESP32 boards and other Micro USB devices
- Supports fast and stable data transfer and power delivery
- Durable, flexible, and tangle-free design
- Ideal for programming, debugging, and powering your ESP32 projects
SKU: 21010003 -
Other Sensors, Sensors
Fire or Flame Sensor Module
- Detects infrared light from flame sources (760nm–1100nm)
- Operating Voltage: 3.3V – 5V DC
- Outputs: Digital and Analog
- Adjustable sensitivity via onboard potentiometer
- Detection Range: Up to 80cm, dependent on flame size
- Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, etc.
SKU: 12990002 -
Bluetooth, IoT & Wireless
HC-05 Bluetooth Module with TTL Output
- Bluetooth v2.0+EDR (Class 2) with up to 10m range
- Supports Master and Slave modes
- TTL-level UART interface (3.3V logic)
- Baud rate configurable via AT commands
- LED indicator for pairing and communication status
- Default baud rate: 9600 bps
- Operating voltage: 3.6V to 6V, logic level: 3.3V
SKU: 13020001 -
Proximity & Distance Sensors, Sensors
HC-SR04 Ultrasonic Distance Sensor Module
- Measuring Range: 2cm to 400cm with ~3mm accuracy
- Operating Voltage: 5V DC
- Working Frequency: 40kHz
- Interface: 4 Pins (VCC, Trig, Echo, GND)
- Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, etc.
- Compact design, lightweight, and easy to integrate
SKU: 12030001 -
AC to DC Converter, Power Modules
Hi Link HLK-PM01 5V/3W Switch Power Supply Module
- Input: 100–240V AC, Output: 5V DC @ 600mA
- Rated power: 3W, High conversion efficiency
- Compact PCB mountable design
- Overvoltage, overload, and short-circuit protection
- Low ripple and electromagnetic interference (EMI)
- Ideal for Arduino, ESP8266, ESP32, and other low-power devices
- Flame-retardant and durable casing
SKU: 15020001 -
ADC Modules, Modules
I2C ADS1115 16 Bit ADC 4 channel Module with Programmable Gain Amplifier
- 16-bit resolution ADC for precise measurements
- 4 single-ended or 2 differential input channels
- Programmable Gain Amplifier (PGA) for adjustable sensitivity
- I2C communication interface with address selection pins
- Operating voltage: 3.3V to 5V
- Sampling rates up to 860 samples per second
- Low power consumption and compact size
- Compatible with Arduino, Raspberry Pi, ESP32, and other I2C-enabled devices
SKU: 14010001 -
Display Modules, Displays, Modules, Sensors
I2C Module for 16×2 (1602) Character LCD
- Converts 1602 LCD to I2C interface (SDA & SCL)
- Built-in PCF8574 I/O expander chip
- Reduces GPIO usage (from 6–8 to 2 pins)
- Onboard contrast adjustment potentiometer
- Backlight enable/disable jumper
- Operating voltage: 5V
- I2C address configurable via solder jumpers
- Compatible with Arduino, ESP32, Raspberry Pi, STM32, and more
SKU: 14080001 -
IoT Kits
IoT Learner Kit – Beginners
The IoT Learner Kit – Beginners is a comprehensive starter kit designed for enthusiasts, students, and hobbyists eager to dive into the world of Internet of Things (IoT) technology. This all-in-one kit includes essential components and modules to help you learn, experiment, and build smart connected devices easily.
SKU: 99020001 -
Modules, Other Modules
IR Remote Control
- Standard 38KHz IR transmission frequency
- Compatible with popular IR receivers like TSOP1838, KY-022
- 21 keys including numeric, directional, and function buttons
- Works with Arduino IRremote library, ESP32, Raspberry Pi, and other microcontrollers
- Compact and lightweight design
- Ideal for DIY home automation, robotics, and media control systems
SKU: 14990003 -
Light & Color Sensors, Sensors
IR Sensor Module
IR Sensor module has great adaptive capability of the ambient light, having a pair of infrared transmitter and the receiver tube, the infrared emitting tube to emit a certain frequency, encounters an obstacle detection direction (reflecting surface), infrared reflected back to the receiver tube receiving, after a comparator circuit processing, the green LED lights up, while the signal output will output digital signal
SKU: 12050001 -
Sensors
KY-022 TSOP1838 IR Sensor Module
- Uses TSOP1838 IR receiver for 38kHz IR remote signals
- Digital output for easy microcontroller interfacing
- Compact and plug-and-play design
- Operating voltage: 5V DC
- Works with most common IR remote controls
- Compatible with Arduino, Raspberry Pi, ESP32, ESP8266, and STM32
SKU: 12050003 -
Light & Color Sensors, Sensors
LDR Light Sensor Module
- Detects light intensity using LDR (Photoresistor)
- Operating Voltage: 3.3V – 5V DC
- Dual output: Analog and Digital
- Adjustable sensitivity using onboard potentiometer
- Compatible with Arduino, ESP8266, Raspberry Pi, and more
- Ideal for automatic light control, solar tracking, and IoT applications
SKU: 12050002
