The Danger Shield is an add-on for the [Arduino] micro controller board. It contains a variety of fun and useful electronic circuits that you can use to do fun and useful things. It is a fully self-contained shield. You plug it into your Arduino, and you can immediately start using it. No extra things to hook up, no external components. Just a really rad board ready to rock.

A general purpose LED module in Grove form factor, available in different colors. The ingenious PCB design enables you to bend the LED to any position you want, which makes it easy to use it standalone, horizontal or Panel Mount(from left to right in below pics)

Key Specification:

• Standard Grove connector
• Operate voltage: 3.3v/5v
• Emitting Color: Blue

EMG detector is a bridge connects human body and electrical, the sensor gathers small muscle signal then process with 2th amplify and filter, the output signal can be recognized by Arduino. You can add this signal into your control system. Note: The sensor cannot be used for medical purposes. In standby mode, the output voltage is 1.5V. When detect muscle active, the output signal rise up, the maximum voltage is 3.3V. You can use this sensor in 3.3V or 5V system.

 

Key Features:

• Grove Compatible
• 3.5mm Connector
• 6 Disposable Surface Electrodes
• Power supply voltage: 3.3V-5V
• 1000mm Cable Leads
• No additional power supply

The Hall Sensor measures the Hall Effect, which is a production of a voltage difference across an electrical conductor, transverse to an electric current in the conductor as well as a magnetic field perpendicular to the current. The output of the continuous-time switch Hall sensor on this Twig switches low and turns on when a magnetic field (south polarity) perpendicular to the Hall sensor exceeds the BOP threshold, and it switches high and turn on when the magnetic field disappears.

Key Features:

• Grove compatible interface
• 400ns transition period for rise and fall.
• Continuous-time hall effect sensor

Application Ideas:

• RPM meter.
• Simple dc motor.

Grove - I2C ADC is a 12-bit precision ADC module based on ADC121C021. It helps you increase the accuracy of value collected from analog sensor by providing a constant reference voltage. Because its address is changeable, you can use up to 9 I2C ADC at the same time at most. At the other hand, this module provides auto sleep function which lowers the power consumption considerably.

Key Features:

• Low power consumption
• High precision
• Automatic power-down mode
• Address changeable

This module is based on the color sensor TCS3414CS with digital output I2C. Based on the 8*2 array of filtered photodiodes and 16-bits analog-to-digital converters, you can gain the color chromaticity of ambient light or the color of objects. Of the 16 photodiodes, 4 have red filters, 4 have green filters, 4 have blue filters and 4 have no filter(clear). With the synchronization input pin, external pulsed light source can provides precise synchronous conversion control.

Key Features:

• Grove compatible interface
• 16-Bit digital output with I 2C at 400 kHz
• SYNC Input Synchronizes Integration Cycle to Modulated Light Sources
• Operating temperature range -40°C to 85°C
• Programmable interrupt function with User-Defined Upper and lower threshold settings

Grove - OLED Display 1.12" is an OLED monochrome 128×64dot matrix display module with Grove 4pin I2C Interface .The characteristics of this display module are high brightness, self-emission, high contrast ratio, slim outline, wide viewing angle, wide temperature range, and low power consumption. It has bigger screen and uses all the columns from the SSD1308 chip so that it can display more contents than the OLED 96×16.

Key Features:

• Grove compatible
• Small size
• I2C Interface
• Low power consumption

Grove - LED is designed for the beginners of Arduino/Seeeduino to monitor controls from digital ports. It can be mounted to the surface of your box or desk easily and used as pilot lamp for power or signal. Its brightness can be adjusted by potentiometer.

Features:

• Grove compatible interface
• 3.3V/5V Compatible
• Adjustable LED orientation
• Adjustable LED brightness

This temperature & humidity sensor provides a pre-calibrated digital output. A unique capacitive sensor element measures relative humidity and the temperature is measured by a negative temperature coefficient (NTC) thermistor. It has excellent reliability and long term stability. Please note that this sensor will not work for temperatures below 0 degree.

Features:

• Relative Humidity and temperature measurement
• Full range temperature compensation Calibrated
• Digital signal Long term stability
• Long transmission distance
• Low power consumption

This water sensor module is part of the Twig system. This sensor works by having a series of exposed traces connected to ground and interlaced between the grounded traces are the sens traces. The sensor traces have a weak pull-up resistor of 1 MΩ. The resistor will pull the sensor trace value high until a drop of water shorts the sensor trace to the grounded trace. Believe it or not this circuit will work with the digital I/O pins of your Arduino or you can use it with the analog pins to detect the amount of water induced contact between the grounded and sensor traces.

Features

• Grove compatible interface
• Low power consumption
• 2.0cm x 2.0cm twig module
• High sensitivity

Applications Ideas

• Rainfall detecting
• Liquid leakage
• Tank overflow detector

With this wire, you can easily connect all of Seeed Grove modules to any 2.54mm pitch connectors. 5 PCs is included in one pack.Length of each wire is 20cm. Note: Grove side uses buckled connector.

Compared with the previous version, The Shield Bot V1.1 can use the usb port of PC to charge battery. And the charging efficiency is greatly improved after we optimize the circuit. And you can use the Arduino/Seeeduino Vin pin to fast charge.

Note: Compatible Arduino Board not included, try the Seeeduino.