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  • Recognizes the availability of sound (vibration principle)
  • Signal output indication.
  • Single channel signal output.
  • Can detect the intensity of the sound environment.
RM3.70
  • Quadruple high current half H driver 
  • Wide supply voltage range from 4.5V to 36V
  • Separate input logic supply
  • Internal ESD protection
  • Thermal shutdown
  • High noise immunity inputs
RM2.70
  • 95db continous sound buzzer
  • Buzzer Type: Piezoelectric
  • Operating Voltage: 3 - 24V
RM3.20
  • 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.

Specification

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

RM1.50
  •  Super Bright
  • Red, Green, Blue
  • Common Anode
  • Diameter 5mm
RM0.50
  • Type: Manual solder sucker
  • Material: aluminum alloy + plastic
  • Application range: widely used in electronics, electrical appliances and other industries, efficient and portable
  • Elongated size: 33cm
  • Telescopic size: 18.7cm
RM5.60
  • Suitable for testing Battery capacity
  • Voltage Detection Precision: +/- 0.01V
  • When Voltage below set value, activate buzzer and LED
RM7.60
  • DC to DC Step-Down Module
  • Generates a lower, regulated DC voltage
  • Higher efficiency and lower heat dissipation
  • Input: DC 3 - 40V
RM2.90
  • Adjustable 3 terminal positive voltage regulator
  • Output Current in Excess of 1.5 A
  • Output Adjustable between 1.2 V and 37 V
  • Internal Thermal Overload Protection
  • Internal Short Circuit Current Limiting Constant with Temperature
  • Output Transistor Safe Area Compensation
RM1.30
  • Low cost, quad operational amplifiers
  • Short Circuited Protected Outputs
  • True Differential Input Stage
  • Single Supply Operation: 3.0 V to 32 V
RM1.50
  • Operating Voltage: DC 5V
  • Linear coefficient of variation: +10mv/°C
  • Low power consumption < 60uA
  • Temperature measurement range: 0-150 ° C
  • Accuracy: ± 0.5 ° C
  • Analog signal output
RM12.90
  • Calibrated directly +/-2 Celsius (Centigrade)
  • Operating voltage: 4 to 30 volts
  • Suitable for remote applications
RM6.00
  • Material: High Quality Carbon Steel
  • Type: Long Nose with teeth
  • Length: 8 inch
  • Durable
  • Multipurpose
RM29.00
  • 2 Mbit/s rate of the peak current of 12.5mA received
  • In the 2Mbit/s rate @ 0dBm output peak current of 11mA
  • 400nA power down mode
  • 32uA standby mode power consumption
  • 130us fast switching and wake-up time
  • With on-chip voltage regulator
RM10.20
  • MicroSD Card Adapter
  • Power supply is 4.5V ~ 5.5V
  • Communication interface is a standard SPI 

 

RM5.80