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  • 16 Analog Inputs
  • 16Mhz Clock Speed
  • 256k Flash Memory
  • 54 Digital I/O Pins (14 PWM outputs)
  • ATmega2560 microcontroller
RM35.80
  • On-board MAX30100 IC integrate optical biosensor including two LEDs, a photodetector, optimized optics, and low-noise AFE
  • Measures absorbance of pulsing blood
  • Programmable sample rate and LED current for power savings increases battery life for wearable devices
  • I2C interface
  • Ultra low power operation increases battery life for wearable devices
  • It is an integrated pulse oximetry and heart rate monitor sensor solution
  • Applications: Wearable Devices, Fitness Assistant Device and Medical Monitoring Devices
RM18.40
  • Size: 20x15x10mm
  • Material: Aluminium
  • Surface: Black Anodized
  • Suitable for: TO-220 package components
  • Weight: 2g
RM0.60
  • NPN General Purpose Amplifier
  • NPN General Purpose Switching
  • Collector Base Voltage: 30v
  • Collector Emitter Voltage: 30v
  • Emitter Base Voltage: 5v
RM1.20
  • ATmega32u4 Microcontroller
  • Input Voltage: 7-12V
  • 20 Digital I/O Pins
  • 7 PWM Channels
  • 12 ADCs
  • 16MHz Clock Speed
  • 32 KB Flash Memory
  • Require USB micro cable to load program
RM34.90
  • Brand new and high quality
  • Common use power cord socket
  • Max Current Rating: 10A
  • CLip type or screw type
RM1.00
  • Support AC 240V input power.
  • Automatically stop charging when fully charged
  • LED indicator 
  • Reverse polarity protection
  • Compact and easy for carry while travelling 
RM6.90
  • 5V 1 channel relay interface board
  • Selectable high level trigger or low level trigger
  • Build in Opto-Isolator IC for protection
  • With blue KF301 terminal, more convenient for connection
  • Can control various appliances with large current and high voltage
  • Can be controlled directly by microcontroller such as Arduino, 8051, AVR, PIC, DSP and ARM
RM8.60
  • Can be used to prevent reverse polarity problem
  • Half Wave and Full Wave rectifiers
  • Used as a protection device
  • Current flow regulators
RM1.00
  • Space Saving SOT-223 Package
  • Current Limiting and Thermal Protection
  • Output Current 800mA
  • Temperature Range 0degC to 125degC
  • Line Regulation 0.2% (Max)
  • Load Regulation 0.4% (Max)
RM1.60
  • Type: Multilayer ceramic capacitor
  • Value available: 47pF, 470pF, 4.7nF, 47nF, 470nF, 4.7uF (Select in option)
  • Rated voltage: 50V
  • Contact pin pitch: 5.08mm
RM1.00
  • Brand new and high quality
  • 3.5mm stereo audio microphone plug
  • Gold-plated which provides an excellent sound quality
  • Full metal connector 
  • Dimension: 51(L)x9(D)mm
RM1.60
  • Transparent
  • 400 Tie Point
  • Self adhesive
  • Can be interlocked for larger projects
  • 2 power lanes
  • Horizontal: 1-30
  • Vertical: A-J
  • Dimensions: 8.2cm x 6.2 cm (3.2in x 2 in)
RM5.50
  • Brand new and high quality
  • Common use BNC connector 
  • Solderless BNC connector with screw terminal
  • BNC to RCA AV Connector
RM1.00
  • Brand new and high quality
  • 8 In 1 Universal Convertor Plug
  • Suitable for most Notebook, Modem, WIFI Router and etc. power inlet
  • Dimension: 100(L)x12(W)x45(H)mm
  • Weight: 40g
RM6.90