Seeed studio
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  • Base Shield is to help you getting rid of bread board and jump wires
  • Can add all the grove modules to the Arduino Uno very conveniently
  • 16 grove connectors



  • Designed for indoor air quality testing
  • Compatible with 5V and 3.3V power supply
  • Durable
  • Responsive to a wide scope of target gases
  • Digital two wire (I2C) interface 
  • Command-based Reading, Compensated (Optional) 
  • Ultra-low power consumption 
  • Altitude Resolution down to 0.01 meter 
  • Temperature measurement included
  • An upgraded version of the old BMP180 used in Grove – Barometer Sensor (BMP180)
  • Precise measurement of barometric pressure and temperature in the environment
  • Air pressure can be measured in a range from 300 hPa to 1100hPa with ±1.0 hPa
  • The sensor works perfectly for temperatures between - 40 and 85 with an accuracy of ±1
  • Easy-to-use Grove Compatible Interface
  •  “P” is for “panel mount”
  •  They are identical except the Grove connecter is moved to the back 
  •  can easily use it as a neat and wire-free human interface device


  • Enables you to bend the LED to any position you want
  • Grove interface compatible
  • Plug and play
  • Transmit infrared signals through an infrared LED
  • Color centered around 940nm
  • Not only to transmit data but also to emulate remotes to control your home appliance using an Arduino
  • Reflective Photosensor: RPR-220
  • Power supply: 3.5 – 5.5V DC
  • InterfacePanel-mounting Grove
  • Effective working distance: 4-15mm
  • Digital output: 0 / VCC
  • An analog module and output various electrical signals which can be converted to different ranges
  • High reliability and sensibility
  • Easy to use since it is interfaced with Grove port
  • Power supply: 5V DC
  • Digital output mode: TTL
  • Connector: 4 pin Buckled Grove interface
  • Comparator: LMV358
  • Photo reflective diode: RS-06WD
  • Detect the loudness of environmental sound
  • Screw potentiometer that enables manual adjustments to the output gain
  • Grove compatible interface
  • Built-in signal filtering
  • Grove compatible interface
  • 2.0cm x 2.0cm twig module
  • Minimum external parts
  • 10W rating
  • Rugged encapsulation
  • Battery: Exclude
  • Operating voltage: 3.3~5V
  • Operating current: 35mA
  • Working Voltage: 3.3V
  • Support host interface: I2C, UART(default)
  • Serve for contactless communication at 13.56MHz
  • Support ISO14443 Type A and Type B protocols
  • Support P2P communication
  •  Supports both Normal and Inverse Color Display
  •  Supports Continuous Horizontal Scrolling
  •  Grove compatible 4pin I2C connector
  •  Works with both 5V and 3.3V logic MCUs
  •  Interface: I2C
  • Grove compatible interface
  • Voltage range: 3V–5V
  • 2.0cm x 4.0cm twig module
  • Detecting angle: 120 degree
  • Detecting distance: max 6m  (3m by default)
  • Adjustable detecting distance and holding time
  • Uses a thermistor to measure ambient temperature
  • The operating range is -40 to 125°C , with an accuracy of 1.5°C 
  • Grove compatible interface
  • Arduino library ready
  • The Grove System uses only 1 type of cable
  • These cables are compatible with all modules included in the Grove system
  • 5 cables are included in this pack
  • Connect all of the Twigs to the Stem - Basic Shield
  • Connect to other Twig compatible boards for quick prototyping
  • Different length of cables
  • Grove – UV Sensor is used for detecting the intensity of incident ultraviolet(UV) radiation
  • wide spectral range of 200nm-400nm
  • determining exposure to ultraviolet radiation in laboratory or environmental settings


  • The sensor is made up of interlaced traces of Ground and Sensor signals
  • The sensor traces are weakly pulled up using 1 MΩ resistor
  • Grove compatible interface
  • High sensitivity
  • Stackable shield to Arduino compatible platforms, enables adaptive battery power and act as energy harvester for in-field charging
  • The maximum current provided by the board can get up to 600mA
  • Short circuit protection
  • Continuous Charge Current Up to 900mA
  • Micro-USB Connector
  • Operating Voltage: 3V3
  • Maximum Charge Current: 500mA
  • Digital I/O Pins: 4
  • Analog Input Pins: 1
  • DC Current PER I/O PIN: 12mA
  • Dimensions: 44mm x 24mm x 9.6mm
  • Weight: G.W 15g
  • Voltage: 4.75-5.25V
  • Working Frequency 125KHz: 
  • Sensing Distance (Max): 70mm
  • Display construction: 16 Characters * 2 Lines
  • Display mode: STN
  • On board MCU
  • I2C-bus interface
  • Support English and Japanese fonts
  • Grove compatible interface
  • 3 axis motion/orientation sensing
  • Digital Output (I2C)
  • 10,000 g shock survival
  • RoHS/WEEE lead-free compliant
  • 5VDC input
  • 4 digit red alpha-numeric display
  • Grove compatible
  • 8 adjustable luminance levels
  • A complete alcohol sensor module
  • Built with MQ303A semiconductor alcohol sensor
  • Good sensitivity and fast response to alcohol
  • Suitable for making Breathalyzer


  • Long operating life
  • Easy to use
  • Grove Digital interface
  • connect two servo to Grove system with only 1 cable