• Wide Detection Range: 120°/180° detection angle with a range of up to 12 meters (± 2m)
• Adjustable Settings: Ambient light sensitivity and time-delay (5 seconds to 12 minutes) can be adjusted
• High Load Capacity: Suitable for 500W resistive load (e.g., incandescent lamps) and 150W inductive load (e.g., LED, energy-saving lamps)
• Weatherproof Design: IP44 rated, ideal for both indoor and outdoor use

• High-quality SIM808 module for GSM, GPRS, GPS, and Bluetooth communication
• Supports quad-band 850/900/1800/1900MHz for global compatibility
• Integrated GPS with A-GPS support for enhanced positioning
• AT command control for SMS, phone calls, GPRS, and GPS data

• Wide sensing range of 20 to 150 cm (200 to 1500 mm) for versatile applications.
• Provides analog output for easy integration with microcontrollers.
• Low supply voltage requirement of 4.5 to 5.5V, making it suitable for battery-operated projects.
• Fast response time of 39 ms for real-time distance measurement.

• 16-button keypad for microcontroller expansion
• 4x4 matrix layout for easy interfacing
• Durable PCB design for long-term use
• Compatible with Arduino and other MCUs

Specifications:

• Input Signal: PWM (Pulse Width Modulation)
• PWM Input Range: 0% - 100%
• Output Voltage Range: 0-10V
• Power Supply: 12V - 24V DC
• Input Frequency: 1kHz - 3kHz
• Output Current: Maximum 10mA
• Dimensions: Varies by manufacturer (typically small, PCB module size)
• Working Temperature: -40°C to +85°C

Package:

1x Module

• Adjustable voltage step-up converter for 18650 Li-ion batteries
• Supports both charging and discharging functions
• Compact PCB module design
• Ideal for DIY power bank projects

• Adjustable Detection Distance: Ranges from 3CM to 80CM
• Easy to Assemble: Suitable for robotics and assembly line applications
• Visible Light Interference Resistant: Operates well in various lighting conditions
• Compact Size: Lightweight and easy to integrate

ESP8266 NodeMCU DevKit Development Board is a powerful tool for IoT projects. This board integrates ESP8266 (ESP-12), USB to Serial, and NodeMCU firmware, making it easy to develop applications with minimal peripherals.

• Incorporates ESP8266 (ESP-12)
• USB to Serial integrated
• NodeMCU firmware pre-installed
• 10 GPIO ports
• Supports AT Command and Lua programming

Ideal for developing applications with ease.

• High-quality stereo performance with DSP and PLL technology.
• 30-level digital volume adjustment with easy button operation.
• Blue backlight LCD display for better visibility in low light.
• Multiple audio input options: Line-in, USB, and MIC.

• Digitally programmable frequency and phase
• Supports sinusoidal, triangular, and square wave outputs
• Wide frequency range: 0 MHz to 12.5 MHz
• Low power consumption: 12.65 mW at 3V

• Compact Design: Ideal for small projects with limited space.
• Versatile Power Options: Supports 5V, 3.3V, 12V, and other input voltages.
• Reliable Output: Provides a high signal when pressed and low when not.
• Simple Connection: Easy to integrate into various circuits and applications.

Specifications:

• Maximum Supported Chips: 4000+
• Communication Interface: USB Type-C
• Output Voltage: Programmable, 3.3V to 5.0V
• Pin Interface: 28-pin zero pull-out force locking seat
• Dimensions: 108 x 76 x 21 mm
• Weight: Lightweight and compact
• Operating Systems Supported: Win7, Win8, Win10, Win11
• Battery Percentage Indicator: 100%, 75%, 50%, 25%
• Protection Features: Short circuit, overcurrent, high voltage, and polarity protection
• Component Type: All SMD components

Package:

1x Programmer set

• 2MP OV2640 camera sensor with night vision capabilities.
• 160-degree wide field of view for enhanced coverage.
• Compatible with ESP32-CAM, ESP-EYE, STM32 (F4/F7), and other IoT boards.
• CSI/DVP interface for seamless integration.

• Electromyographic (EMG) Measurement: Measures muscle activity by detecting electrical signals.
• Adjustable Gain: Provides improved gain for more accurate and rugged readings.
• Compatible with Microcontrollers: Easily integrates with microcontrollers for muscle-controlled interfaces.
• Electrode Pads: Includes large 52mm electrode pads for better contact and accuracy.

• Adjustable Output Frequency: Provides 50Hz fixed frequency sine wave and adjustable frequencies from 0-100Hz and 0-400Hz.
• Modulation Modes: Supports both unipolar and bipolar modulation modes for versatile applications.
• Dead-Time Control: Features four different dead-time settings (300nS, 500nS, 1.0uS, 1.5uS) for precise control.
• Real-Time Feedback: Monitors voltage, current, and temperature in real-time, ensuring optimal performance and protection.

Specifications:

• Product Name: Essential LED Module for Hobbyist

• LED Colors: Blue, Red, Yellow, Green

• Compatible with: Arduino Uno, Arduino Nano, TTL, CMOS ICs

• Voltage Range: 5V to 12V (DC/AC)

• Maximum Current Sink/Source:

  • At 5V DC: 2.5 mA (when all LEDs are on)
  • At 12V DC: 11.6 mA (when all LEDs are on)

• Maximum Current Sink/Source (At 5V DC per LED):

  • Blue: 0.6 mA
  • Red: 1 mA
  • Yellow: 1.3 mA
  • Green: 0.3 mA

• Maximum Current Sink/Source (At 12V DC per LED):

  • Blue: 2.7 mA
  • Red: 3.6 mA
  • Yellow: 4.8 mA
  • Green: 1.3 mA

Package:

1x Module