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  • PWM pulse width modulation control circuit
  • Output Voltage: 40V
  • Output Current: 200mA
  • Operating Supply Voltage:15 V



NE555 IC

  • 4.5V to 16V supply
  • 8-pin DIP package
  • Timing from microseconds to hours
  • Adjustable duty cycle

NE555 Module

  • board NE555 chip
  • single-channel signal output, the output duty cycle of about fifty percent of the square wave
  • onboard adjustable resistor, adjust the resistance can control the output frequency
  • the onboard power indicator
  • Operating voltage: 5 ~ 12V
  • board size: 29 (mm) x12 (mm)
  • Calibrated directly +/-2 Celsius (Centigrade)
  • Operating voltage: 4 to 30 volts
  • Suitable for remote applications
  • VGS = 10 V
  • Fast switching
  • Improved dv/dt capability
  • Transistor Polarity: NPN
  • Collector Emitter Voltage V(br)ceo: 45V
  • Transition Frequency ft: 300MHz
  • Power Dissipation Pd: 500mW
  • 16 channel analog/digital multiplexer/demultiplexer
  • connect up to 16 sensors or 16 outputs
  • 2V to 12V operation
  • Accurate I2C real-time clock 
  • Operating voltage: 3.3 - 5.5V
  • Clock chip: High-precision clock chip DS3231
  • Programmable square-wave output
  • MicroSD Card Adapter
  • Power supply is 4.5V ~ 5.5V
  • Communication interface is a standard SPI 


  • Steps down 5V signals to 3.3V and steps up 3.3V to 5V at the same time
  • 2 sources which high voltage or low voltage. 5V or 3.3V
  • 4 pairs of terminal connection
  • IR receiver
  • Low power consumption
  • Suitable for embedded electronics 
  • High-sensitivity PIN photodiode
  • High-gain preamplifier IC


  • Nominal Voltage: 3.3V
  • Life Time: 10,000 hours(*)
  • Beam Angle: +/-10 degrees
  • No Hole

    Application for Cat5e Cable

    Head Style: 8P8C
    Color: Clear

    Through Hole

     Features polycarbonate housing, gold-plated copper alloy contacts and crimp termination.

  • Transparent colour
  • UL94V-2 Flammability rating
  • 100MR Isolation resistance
  • -40 to 80°C Operating temperature range


  •  Super Bright
  • Red, Green, Blue
  • Common Anode
  • Diameter 5mm
  • Laser Module

    Laser transmitter module provides a small but intense beam. Avoid looking directly at the beam to prevent damage to eyesight

  • Wavelength: 650nm (red)
  • Operating voltage: 5V
  • Wavelength: 650nm
  • Current draw: 30mA
  • Color: Red


Laser Diode

A low cost laser diode with laser pointer feature as light source. It is best to use with the LDR sensor to detect intruder for security system pupose.


Input voltage : 3.3v polarity: red(+) and blue(-) Warning: do not point the laser to the eyes.