IoT shield for ESP8266

This project is an IoT sensor shield for the ESP8266 and it's Arduino compatible

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This project consists of an Arduino Shield compatible for the WeMos D1 (retired) with the following sensors and actuators:

- Relay for up to 10A
- Push button
- LDR (light sensor)
- DHT11 or DHT22 (removable socket)
- RGB LED (high brigthness)
- I2C connector with pullups

This shield was created to be a simple startup for beginners and also to be used during IoT ESP8266 trainings. Using this shield, we can create a lot of projects in minutes without any soldering or wireups.

The PCBs were made by and I'm very satisfied about the quality and production time.


Eagle Schematics file

x-eagle-schematic - 362.16 kB - 12/27/2017 at 21:42



Eagle PCB file

x-eagle-board - 118.42 kB - 12/27/2017 at 21:42



Zip Archive - 49.50 kB - 12/27/2017 at 21:41


Adobe Portable Document Format - 56.27 kB - 08/03/2016 at 01:07



IoT Shield BOM

application/vnd.oasis.opendocument.spreadsheet - 12.11 kB - 07/22/2016 at 13:10


  • 4 × 2N2222 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
  • 1 × LDR Resistor Networks / Thick Film Networks
  • 1 × Relay Power Supplies / Uninterruptible Power Supplies (UPS)
  • 1 × RGB LED SMD 5050
  • 1 × 1N4148 Discrete Semiconductors / Diodes and Rectifiers

View all 10 components

View all 6 project logs

Enjoy this project?



tomdwane22 wrote 04/09/2019 at 04:38 point

How can a hacker exploit the esp8266 board to enter a company network if there is a temperature sensor iot device with the esp8266 in that specific network

  Are you sure? yes | no

John Kemker wrote 11/16/2017 at 16:53 point

Is there a source for the PCB file, so others can get them made?  Or, is there a way to purchase them from you?

  Are you sure? yes | no

mauricio wrote 06/20/2016 at 03:51 point

Good work

  Are you sure? yes | no

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