Grove Base Shield for NodeMCU V1.0


Grove Base Shield for NodeMCU is an extension board that help you to play with Grove sensors on an ESP8266 WIFI development kit which called NodeMCU. You can run Grove sensor with Lua script language in the NodeMCU firmware.


  • Compatible with all Grove modules

  • 5 Digital connectors (D3-D8)

  • 1 Analog connectors (A0)

  • 2 I2C sockets

  • NO SPI socket

  • UART/D9-D10 connector

  • Power indicator LED

Interface Function

The purpose of the base shield is to allow easy connection of any microprocessor input and output pins to the Grove units. For a more detailed examination of the Base Board, please refer to the following diagram:


  1. The staggered alignment of the pins – that is, D3 socket handles D3 and D5, D5 socket handles D5 and D6, the next D6 and D7, and so on.
  2. There is no D4 socket.
  3. UART Socket can multiplex with D9, D10 port and I2C Socket can multiplex with D1, D2 port.
  4. It does not conflict if use four I2C Sockets simultaneously because every I2C device has its own address.
  5. There is no SPI socket. Since none of the Grove module is using SPI socket.


Help us make it better

Thank you for choosing Seeed. A couple of months ago we initiated a project to improve our documentation system. What you are looking at now is the first edition of the new documentation system. Comparing to the old one, here is the progresses that we made:

  • Replaced the old documentation system with a new one that was developed from Mkdocs, a more widely used and cooler tool to develop documentation system.
  • Integrated the documentation system with our official website, now you can go to Bazaar and other section like Forum and Community more conveniently.
  • Reviewed and rewrote documents for hundreds of products for the system’s first edition, and will continue migrate documents from old wiki to the new one.

An easy-to-use instruction is as important as the product itself. We are expecting this new system will improve your experience when using Seeed’s products. However since this is the first edition, there are still many things need to improve, if you have any suggestions or findings, you are most welcome to submit the amended version as our contributor or give us suggestions in the survey below, Please don’t forget to leave your email address so that we can reply.

Happy hacking