• Operating Voltage: 3.3V to 5V DC
• Operating Current: 15mA
• LED Indicators: Output and power status LEDs
• Based on LM393: Easy to integrate with microcontrollers

• PWM Control: Uses Pulse Width Modulation (PWM) to control the speed of a DC motor, offering smooth and precise speed adjustments.
• LED Display: Features a large 0.56 inch, 3-number LED display that shows the speed percentage from 0% to 100%, making it easy to monitor the motor speed under various conditions.
• Adjustable Speed Range: Speed can be adjusted from 0% to 100%, suitable for DC motors or DC loads with a current draw of less than 5A.
• Push Button: Incorporates a push button that can switch the controller between on and off states.

• Dual H-Bridge Motor Driver: Capable of driving two DC motors or a 4-wire two-phase stepper motor.
• Built-in TSD: Protects the motor from stalling, ensuring smooth operation.
• Ultra-Small Size: Ideal for assembly and use in compact projects like smart cars or robots.

• Compatible with ESP-12E development kit (NodeMCU).
• Extend output ports for ESP-12 including SPI, UART, GPIO, AI, and 3.3V power interface.
• Directly drive 2-way motors with ease.
• Power switch for convenient operation.

Specifications:

• Protocols: Bluetooth low energy 5.0
• Type: Wireless MCU
• Features: LE 1M PHY
• Peripherals: 12-bit ADC 8-channel, 2 SPI, 2 UART, 4 timers, I2C
• Rating: Catalog
• Flash memory (kByte): 256
• RAM (kByte): 8
• Number of GPIOs: 23
• Security: Cryptographic acceleration, Debug security, Device identity, Software IP protection
• Sensitivity (best) (dBm): -94
• Operating temperature range (°C)    -40 to 85

Package:

1x HC-08 Android iOS BLE 4.0 Bluetooth Module for arduino CC2540 CC2541 BLE Serial Wireless Module Compatible HM-10 HM-11

• Dual H-Bridge Drive: Allows driving two DC motors or a stepper motor with ease.
• L298N Chip (ST NEW): High-quality, reliable control chip for efficient motor driving.
• Wide Voltage Range: Supports a drive voltage range from 5V to 35V for flexible usage in various projects.

• Capacitive touch sensing with high sensitivity
• Easy to use with minimal external components required
• Small and compact design for easy integration
• Low power consumption for efficient operation

• High Precision Digital Interface: Utilizes a 24-bit I2S digital interface for high-precision data transfer.
• Excellent Signal-to-Noise Ratio: Achieves a 61 dBA signal-to-noise ratio, ensuring clear audio capture.
• High Sensitivity: Features a sensitivity of -26 dBFS, making it highly responsive to sound.
• Stable Frequency Response: Offers a stable frequency response from 60 Hz to 15 kHz for accurate sound capture.

• Motor drive module comes with four L9110S chips
• Supports 4 DC motors or two 4-wire 2-phase stepper motors
• Supply voltage: 2.5V - 12V
• Maximum operating current: 0.8A

801S Vibration Switch Detection Sensor Module 3Pin Vibration Sensor

• Wide Input Voltage Range: 6V to 32V
• Output Voltage: Default 5V, automatically adjusts between 3V to 12V when fast charge is triggered.
• Output Power: 24W (5V, 3.4A; 9V, 2.5A; 12V, 2A)
• Conversion Efficiency: 90% to 97%

• High-quality materials for guaranteed durability
• Chip-designed card reading circuit
• Low voltage, compact contactless card reader module
• Communicates with host via SPI mode

Discover the Micro SD Card Adapter v1.1 Module for Arduino, perfect for integrating Micro SD card read and write functionality into your projects in Bangladesh. This blue module supports SPI interface, works with Arduino boards, and supports up to 32GB Micro SDHC cards.

Introducing the ISD1820 Audio Sound Recording Module with Speaker. This versatile module is perfect for various audio applications and features:

• Main chip: ISD1820
• Size: 38mm x 42.5mm
• Working voltage: DC 3-5V
• Easy-to-use 10-second voice recording and playback
• High-quality, natural voice restoration
• Can be used as a megaphone module
• Loop play, jog play, single play function
• Directly drives 8 ohm 0.5W small speakers

Package includes: 1x ISD1820 Audio Sound Recording Module with Speaker

• Wide Frequency Range: Supports FM signals between 76 MHz to 108 MHz.
• I2C Interface: Easy integration with microcontrollers using I2C communication.
• Voltage Flexibility: Operates with both 3.3V and 5V power supplies.
• Low Power Consumption: Consumes less than 20 mA, suitable for battery-powered projects.

• Compact and Lightweight ideal for small projects
• 5V DC Working Voltage easy to power with standard supply
• Short Detection Range suitable for detecting small metallic objects
• Simple to Use with clear instructions for connection

• Operating Voltage: 3.3V to 5V DC
• Operating Current: 15mA
• LED Indicators: Output and power status LEDs
• Based on LM393: Easy to integrate with microcontrollers

• PWM Control: Uses Pulse Width Modulation (PWM) to control the speed of a DC motor, offering smooth and precise speed adjustments.
• LED Display: Features a large 0.56 inch, 3-number LED display that shows the speed percentage from 0% to 100%, making it easy to monitor the motor speed under various conditions.
• Adjustable Speed Range: Speed can be adjusted from 0% to 100%, suitable for DC motors or DC loads with a current draw of less than 5A.
• Push Button: Incorporates a push button that can switch the controller between on and off states.

• Dual H-Bridge Motor Driver: Capable of driving two DC motors or a 4-wire two-phase stepper motor.
• Built-in TSD: Protects the motor from stalling, ensuring smooth operation.
• Ultra-Small Size: Ideal for assembly and use in compact projects like smart cars or robots.

• Compatible with ESP-12E development kit (NodeMCU).
• Extend output ports for ESP-12 including SPI, UART, GPIO, AI, and 3.3V power interface.
• Directly drive 2-way motors with ease.
• Power switch for convenient operation.

Specifications:

• Protocols: Bluetooth low energy 5.0
• Type: Wireless MCU
• Features: LE 1M PHY
• Peripherals: 12-bit ADC 8-channel, 2 SPI, 2 UART, 4 timers, I2C
• Rating: Catalog
• Flash memory (kByte): 256
• RAM (kByte): 8
• Number of GPIOs: 23
• Security: Cryptographic acceleration, Debug security, Device identity, Software IP protection
• Sensitivity (best) (dBm): -94
• Operating temperature range (°C)    -40 to 85

Package:

1x HC-08 Android iOS BLE 4.0 Bluetooth Module for arduino CC2540 CC2541 BLE Serial Wireless Module Compatible HM-10 HM-11