Base Shield V2

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  1. Base Shield V2
  2. +
  3. Arduino Uno Rev3
  4. +
  5. Grove - Universal 4 pin connector
Total price: $0.00

Arduino Uno is the most popular Arduino board so far, however it is sometimes frustrating when your project requires a lot of sensors or Leds and your jumper wires are in a mess. The purpose of creating the Grove – Base Shield is to help you getting rid of bread board and jump wires. With the rich grove connectors on the base board, you can add all the grove modules to the Arduino Uno very conveniently!


There are intotal 16 grove connectors on the Base Shield, here we use a table to show the details.


Apart from the rich grove connectors, on the board you can also see an RST button, a green LED to indicating power status, ICSP pin, a toggle switch and four row of pinouts. There is no need to explain the RST button and LED, but you really need to know below two features that is very important for your usage.

1.Power Compatible:

Every Grove connector has four wires, one of which is the VCC. However, not every micro-controller main board needs a supply voltage of 5V, some need 3.3V. That's why we add a power toggle switch to Base Shield v2 so that you can select the suitable voltage of the micro-controller main board you are using via this switch.

For example, if you are using Arduino UNO with Base Shield v2, please turn the switch to 5v position; while using Seeeduino Arch with Base Shield v2, please turn the switch to 3.3v.

2.Board Compatible:

The pinout of Base Shield V2 is the same as Arduino Uno R3, however Arduino Uno is not the board one that the Base Shield V2 is compatible with, here we listed the boards that we have confirmed that can be used with Base Shield V2.

  • Arduino Uno

  • Seeeduino V4.2

  • Arduino Mega / Seeeduino Mega

  • Seeduino LoraWan

  • Arduino Leonardo / Seeeduino Lite

  • Arduino 101

  • Arduino Due

  • Intel Edison

  • Linkit One


  • If using Base Shield v2 with Seeeduino V3, please solder the pads, P1 and P2.


Technical details

Dimensions 69mm x53mm x23mm
Weight G.W 40g
Battery Exclude

Part List

Base Shield V2 1


HSCODE 8517709000
USHSCODE 8517700000
UPC 841454111801

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Base Shield V2

As an expansion board, Base Shield v2 has many Grove connectors, making it convenient for you to use Grove products together. And It is compatible with a series of Arduino products.

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Product Faqs

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  • Question by: admin on 2018-12-18 02:23:47

    Hi there, i checked the mdot board, it looks the pin map not match. 1. you can use the grove-cable to connect to mDot board. **** 2. you can use the jumper wire to connect the anlog pins and gnd/vcc between base shield and mDot board. then you can plug the grove sensors to base shield. thanks.

    Answer by: admin on 2018-12-18 02:23:47
  • Question by: admin on 2018-12-18 02:23:37

    Hi there, it is not compatible, the mkr wan 1300 uses small form factor, the size is different with arduino uno. thanks.

    Answer by: admin on 2018-12-18 02:23:37
  • Question by: admin on 2018-12-18 02:23:27

    Hi Dear Customer, you can connect the base shield to arduino board, then plug the sensor into A0~A3 port, then you can use analogRead to read the number. Coz the arduino is 10 bit ADC, so the max is 1023. you can map the reading with actual voltage signal. thanks. Bill

    Answer by: admin on 2018-12-18 02:23:27
  • Question by: admin on 2018-12-18 02:21:26

    Hi Dear Customer, it is compatible. thanks. Bill

    Answer by: admin on 2018-12-18 02:21:26
  • Question by: admin on 2018-12-18 02:20:52

    Then, why do you say in the product description "however Arduino Uno is NOT the board one that the Base Shield V2 is compatible with" ? Yes I can see that Arduino Uno is in the list of tested boards but why this confusion?

    Answer by: admin on 2018-12-18 02:20:52
  • Question by: admin on 2018-12-18 02:20:50

    work better with Mega 2560

    Answer by: admin on 2018-12-18 02:20:50
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    Answer by: admin on 2018-12-18 02:20:08