Modules & Shields

MQ-135 Gas Sensor is designed for wide detecting scope including NH3, NOx, alcohol, Benzene, smoke, and CO2. This sensor offers fast response, high sensitivity, and long-term stability, making it ideal for various applications.

• Wide detecting scope
• Fast response and high sensitivity
• Stable and long life
• Operating Voltage: +5V
• Detects NH3, NOx, alcohol, Benzene, smoke, CO2
• Analog output voltage: 0V to 5V
• Digital output voltage: 0V or 5V (TTL Logic)
• Preheat duration: 20 seconds

Can be used as a digital or analog sensor, with adjustable sensitivity via potentiometer.

Discover the ENC28J60 Ethernet LAN Network Module, perfect for adding Ethernet connectivity to your Arduino, SPI AVR, PIC, LPC, and STM32 projects in Bangladesh. This module features a 25MHz crystal and a blue color design.

Boost your SIM800L GPRS TCP IP module's performance with our Antenna for SIM800L GPRS TCP IP Module. This antenna ensures strong signal reception and reliable communication for your projects.

• Frequency range: 824-960MHz / 1710-1990MHz
• Gain: 2dB
• Connector: SMA male head
• Antenna length: 205mm (8 inches)
• Package includes: 1x Antenna

Specifications:

• Sensing Voltage Range: 0 V to 26 V
• Power Supply Voltage: 2.7 V to 5.5 V
• Offset Voltage: ±80 µV (max)
• Gain Error: 0.25% (max)
• Configurable Averaging Options: Yes
• Programmable Addresses: Four
• Alert and Warning Outputs: Programmable
• Reporting: Shunt and Bus Voltage

Package:

1x Module

Upgrade your programming setup with our SOIC8 SOP8 to DIP8 EZ Programmer Adapter Socket Module. This universal adapter is compatible with various programmer series and supports a wide range of SOP8 narrow chips.

• Universal SOIC, SOP8 (EZ) SO8 to DIP8 Adapter 150mil IC
• Programmer pitch: 1.27mm
• Supports all SOP8 narrow chips
• Suitable for ALL-11 Series, ALL-100GANG, LT-48 Series, SuperPRO Series, TOP Series, and more
• Supports chips: 24CXX, 93CXX
• Box size: 2.6cm x 2.4cm x 2cm

The Soil Moisture Sensor is designed to provide accurate soil moisture readings, making it an essential tool for efficient watering. It operates at a voltage range of 3.3V to 5V and offers dual output modes with analog output for more precise measurements. The sensor features a fixed bolt hole for easy installation, a power indicator (red), and a digital switching output indicator (green). It includes the LM393 comparator chip for stable performance.

Key Features:

• Operating voltage: 3.3V~5V
• Dual output mode: Analog output more accurate
• Fixed bolt hole for easy installation
• Power indicator (red) and digital switching output indicator (green)
• LM393 comparator chip for stability
• Panel PCB Dimension: Approx.3cm x 1.5cm
• Soil Probe Dimension: Approx. 6cm x 3cm
• Cable Length: Approx.21cm

Specifications:

• MOSFET Model: LR7843
• Voltage Rating: 30V
• Current Rating: 161A
• Control Signal Voltage: Compatible with 3V or 5V
• Module Size: 23mm x 16mm
• Screw Holes: 2 x 2mm diameter
• Hole Spacing: 8mm

Package:

1 Module

Optimize your projects with our RCWL-0516 Microwave Radar Human Body Induction Module. This module offers 360-degree detection with a range of 5-9 meters and is equipped with the RCWL-9196 chip, providing reliable and adjustable motion sensing capabilities.

• Operating voltage: 4-28V DC
• Detection distance: 5-9m
• Operating current: 2.8mA (typical); 3mA (max)
• Transmitting power: 20mW (typical); 30mW (max)
• Output voltage: 3.2-3.4V
• Output driving capacity: 100mA
• Board size: 35.9 x 17.3mm
• 360-degree no blind angle detection
• Adjustable repeat trigger time and detection distance
• Supports night detection function

The DHT22 Digital Temperature Humidity Sensor Module, also known as AM2302, is designed for precise temperature and humidity measurements. It offers a wide range of applications with high accuracy and excellent long-term stability.

• Type: AM2302
• Accuracy Resolution: 0.1
• Humidity Range: 0-100%RH
• Temperature Range: -40°C to 80°C
• Humidity Measurement Precision: ±2%RH
• Temperature Measurement Precision: ±0.5°C
• 4-pin Package
• Ultra-low Power Consumption
• No Additional Components Required
• Excellent Long-term Stability
• All Calibration, Digital Output
• Completely Interchangeable
• Long Distance Signal Transmission
• Relative Humidity and Temperature Measurement

The 4-ARRAY Infrared Tracking Obstacle Avoidance Car Sensor is designed for Arduino projects, offering reliable tracking and obstacle avoidance capabilities. This sensor operates at 3.3V to 5V DC, providing adjustable detection distances between 1 mm to 60 cm. Ideal for robotics and smart car applications.

Key Features:

• Working Voltage: 3.3V to 5V DC

• Current Requirement: Use more than 1A power supply

• Working Temperature: -10°C to +50°C

• Detection Distance: 1 mm to 60 cm adjustable

• Installation: M3 screw aperture

• Control Plate Size: 44 mm x 30 mm x 8.5 mm

• Small Board Sensor (Obstacle Avoidance): 11 mm x 25 mm x 10 mm

• Small Plate Sensor (Tracking): 20 mm x 11 mm x 15 mm

Specifications:

• Fixed Output Voltage: 3.3V ± 4%
• Input Voltage Range: 1.8V - 5V
• Continuous Output Current: Max 100mA
• Peak Output Current: Max 150mA (short duration)
• Operating Frequency: 1.2MHz
• Protection: Short-Circuit Protection
• No Load Input Current: 0.65mA
• Pin Pitch: 2.54mm (suitable for Breadboard and MCU Development Boards)
• Dimensions: 11mm x 7.62mm x 4.5mm (excluding pins)
• Weight: Approximately 0.5g

Package:

1x mini 2 in 1 DC DC Step-Down & Step-Up Converter 1.8V-5V to 3.3V Power Wifi ESP8266 HC-05 CE1101 LED Module

The 12V Solenoid Lock is an electronic lock designed for cabinets, safes, and doors. It features a robust electromagnet made of a big coil of copper wire with an armature (a slug of metal) in the center. When the coil is energized with 9-12VDC, the slug is pulled into the center, allowing the door to be opened. Normally, the lock remains active without consuming power, as the solenoid slug blocks the door from opening.

Key Features:

• 12V Solenoid Lock with electromagnet
• Operates on 9-12VDC
• Strong, slanted-cut slug with mounting bracket
• Designed for cabinets, safes, and doors
• Rotatable slug for versatile mounting (90, 180, or 270 degrees)

Monitor temperature and humidity with the Temperature Sensor and Humidity Meter. This insert design sensor features a simple appearance and is powered by 2 x LR44 button batteries (included). It measures temperature within the range of -50°C to +110°C and operates in environments with temperatures from -5°C to +50°C and humidity levels from 5% to 80%. With an accuracy of ±1°C, this sensor is especially suitable for use in refrigerators, chillers, deep freezers, and more.

• Insert design for easy installation
• Temperature range: -50°C to +110°C
• Operating environment: Temperature: -5°C to +50°C, Humidity: 5% to 80%
• Accuracy: ±1°C
• Compact size: 47*28*14mm
• Weight: 22g
• Black and white color
• Includes 2 x LR44 button batteries
• Ideal for use in refrigerators, chillers, and deep freezers

Specifications:

• Operating Voltage: DC 5V - 36V
• Trigger Source: Digital high-low (DC 3.3V - 20V), supports microcontroller IO port, PLC interfaces, DC power, and PWM signal (frequency 0-20KHz)
• Output Capacity:
  • Voltage: DC 5V - 36V
  • Current: 15A continuous at room temperature, up to 30A with auxiliary cooling
  • Power: 400W
• Operating Temperature: -40°C to 85°C

Package:

1x 15 A 400 W high-power MOS FET trigger switch drive module PWM regulator control panel

Enhance your drone's navigation with the Radiolink SE100 GPS Module. Key features include:

• High positional accuracy: 0.5m with concurrent GNSS, 2.5m with single GNSS
• Velocity precision: 0.1m/s
• Max. height: 50000m, Max. speed: 515m/s, Max. acceleration: 4G
• Update rate: 10Hz
• Sensitivity: Tracking & Nav. -167dBm, Reacquisition -163dBm, Cold start -151dBm, Hot start -159dBm
• Quick startup: Cold start time 26s, Hot start time 1s
• Voltage: 5VDC ±5%, Current: 50-55mA
• GPS UART interface, Geomagnetic I2C interface
• Compact size: 4.7 x 4.7 x 1.5cm, Weight: 103g, Cable length: 30cm

Perfect for FPV RC drones, providing reliable and precise navigation data.

Enhance your Arduino projects with our Sound Detection Sensor Module for Intelligent Vehicle. This sensor detects sound and outputs a low-level signal, perfect for applications in robotics and intelligent vehicles.

• Compatible with Arduino
• Uses LM393 comparator
• Electret condenser microphone
• Induction distance: 0.5 meters
• Operating voltage: 3.3V to 5V DC

Specifications:

• Working Voltage: DC 4V - 60V
• Trigger Signal Source:
  • High-Level Trigger: DC 3.0V-24V
  • Low-Level Trigger: DC 0.0V-0.6V
• Output Power:
  • Voltage: DC 4V-60V
  • Current: 10A at room temperature, up to 15A with additional heat dissipation
  • Power: 600W
• Signal Frequency Support: 0-2.5KHz
• Operating Temperature: -40°C to 85°C
• Size: 4.6 x 2.9 x 1.5 cm

Package:

1x High Power 600W MOS Tube FET Trigger Drive Module PWM Control High/Low Level Trigger Switch DC 4V-60V 5V 12V 24V

Enhance your Arduino projects with our Percussion Knock Sensor Module. This module detects shocks and vibrations, sending signals to your controller board. Perfect for various applications requiring impact detection.

• Operating voltage: 3.3V-5V
• Digital output
• Easy installation with bolt holes
• Compatible with Arduino
• Includes: 1x Knock Sensor Module

The Touch Sensor Switch Module TTP223 is a capacitive touch sensor module that can be used as a touch switch or sensor for various electronic applications. It features high sensitivity and reliable performance, making it ideal for user interface designs and DIY projects.

Key Features:

• Capacitive touch sensing
• High sensitivity and reliable performance
• Low power consumption
• Wide operating voltage range: 2.0V to 5.5V
• Compact size: 15mm x 11mm
• Easy to integrate into various projects

The MQ-4 Gas Sensor Module is designed to detect natural gas and methane, operating at a voltage of 5V. This module is ideal for environmental monitoring and safety systems. Key features include:

• Sensor Type: Semiconductor
• Operating Voltage: VCC - 5V±0.1
• Digital Output (DO): TTL 0 and 1 (0.1 and 5V)
• Analog Output (AO): 0.1-0.3V (relative to pollution), max 4V at high concentration
• Gas Detection: Natural gas/Methane
• Detection Concentration: 200-10000ppm
• Interfaces: 1 TTL input (HSW), 1 TTL output (ALR)
• Heater Consumption: <750mw
• Operating Temperature: 14 to 122°F (-10 to 50°C)
• Humidity: <95% RH
• Sensing Resistance: 10KΩ-60KΩ (1000ppm CH4)
• Load Resistance: 20KΩ
• Preheat Time: Over 24 hours
• Encapsulation: Bakelite, Metal cap

Specifications:

• Lens type: Standard M12
• Processor: NXP LPC4330, 204 MHz, dual-core
• Power Input : USB input (5V) or unregulated input (6V to 10V)
• Lens field-of-view: 80° horizontal, 40° vertical
• RAM: 264K bytes
• Flash: 2M bytes
• Length (mm): 38
• Width (mm):42
• Height (mm): 15.3
• Weight (g): 70

Package:

1x Pixy 2.1 Smart Vision Sensor-Object Tracking Camera

The FPM10 Fingerprint Recognition Module is versatile and easy to use with various microcontrollers and embedded systems. This module offers stable performance and comprehensive functions, including fingerprint collection, registration, comparison, and search. Ideal for security applications such as fingerprint door locks, safes, and access control systems.

• Supply Voltage: DC 3.6 ~ 6.0V
• Operating Current: <120mA
• Fingerprint Image Input Time: <1.0 seconds
• Window Area: 14 × 18 mm
• Storage Capacity: 1000 templates
• False Recognition Rate (FAR): <0.001%
• False Rejection Rate (FRR): <1.0%
• Host Computer Interface: UART (TTL logic level)
• Communication Baud Rate: (9600 × N) bps

The Digital Thermostat W1219 is a reliable temperature control switch sensor with a dual color display, designed for precise temperature management. Key features include:

• Power Supply: DC12V
• Relay Current: <50mA
• Dimensions: 47*40mm

This package includes one Digital Thermostat Temperature Control Switch Sensor with a dual color display (W1219).

The MQ-5 Gas Sensor Module is designed to detect natural gas and methane with high accuracy. Operating at 5V, this sensor provides both TTL digital and analog outputs, with a detection concentration range of 300-10000ppm. Ideal for environmental monitoring and safety systems.

Key Features:

• Gas Detection: Natural gas/Methane
• Detection Concentration: 300-10000ppm
• Input Voltage: DC 5V
• Power Consumption: 150mA
• Digital Output (DO): TTL 0 and 1 (0.1 and 5V)
• Analog Output (AO): 0.1-0.3V, max 4V at high concentration
• Chip Used: AT89S52
• Crystal: 11.0592MHZ
• Baud Rate: 9600

The Ultrasonic Humidifier Mist Maker is a versatile device designed for efficient mist generation with color-changing effects. Perfect for enhancing indoor environments. Key features include:

• Material: Plastic and electronic components
• Voltage: 220V-240V
• Rated voltage: 24V
• Rated power: 15W
• Rated frequency: 50Hz
• Cable Length: 1.25m
• Spray Sheet Diameter: 20mm (0.79'')
• Applicable water depth: 6-10cm
• Plug: EU plug
• Color: Black
• Size: 45x30mm (1.77x1.18'')

The MQ-6 LPG Gas Sensor Module is designed to detect LPG and Butane gases with high accuracy. Operating at 5V, this sensor provides both TTL digital and analog outputs, making it ideal for environmental monitoring and safety systems.

Key Features:

• Operating Voltage: +5V
• Gas Detection: LPG, Butane
• Analog Output Voltage: 0V to 5V
• Digital Output Voltage: 0V or 5V (TTL Logic)
• Preheat Duration: 20 seconds
• Versatile Use: Can be used as both Digital or Analog sensor
• Adjustable Sensitivity: Sensitivity of the Digital pin can be adjusted using the potentiometer

The MQ-7 Carbon Monoxide Gas Sensor Module is designed to detect CO gas with high accuracy. Operating at 5V DC, this sensor can detect concentrations ranging from 100 to 10000ppm. It provides both analog and TTL output signals, making it versatile for various applications.

Key Features:

• Main Chip: MQ-7 gas sensor
• Working Voltage: 5V DC
• Detection Range: 100 to 10000ppm
• TTL Output: Valid signal is low
• Analog Output: Provides variable voltage based on gas concentration

The 8x8 LED Matrix Module (60x60mm) QFT2388ASR is ideal for building custom LED displays that can be interfaced with an Arduino microcontroller. This module includes 64 LEDs, capacitors, resistors, and a MAX7219CNG serially interfaced 8-digit LED display driver, making it perfect for DIY projects.

Key Features:

• LEDs: 64 x 5mm White LEDs
• Capacitors: 1 x 10uF electrolytic, 1 x 0.1uF ceramic
• Resistors: 1 x 10k ohm resistor
• Driver IC: MAX7219CNG Serially Interfaced 8-Digit LED Display Driver
• Power Supply: Compatible with Arduino
• Dimensions: 60x60mm

Product Overview: The nRF24L01+ 2.4GHz Wireless Transceiver Module is designed for high-performance wireless communication, perfect for a variety of applications.

Key Features:

• I/O accepts 5V level input
• Low working voltage: 1.9 ~ 3.6 V
• Wireless rate: 1 or 2 Mbps
• SPI interface rate: 0 ~ 8 Mbps
• Transmit power: +0 dB
• 125 optional channels
• Transmission distance: up to 100 meters in open outdoor environments
• Package includes: 1x nRF24L01+ 2.4GHz Wireless Transceiver Module