Grove - Starter Kit v3
Introduction
Grove is a modular electronics platform for quick prototyping that does not involve
soldering or bread boarding. Simply plug the Grove modules into the Grove shield
and leverage the example code provided for each Grove module. The Grove Starter
Kit contains a multitude of sensors and actuators, so you can start messing around
with projects.
Preface
About Grov e
Grove is a modulated, ready-to-use tool set. Much like Lego, it takes a building block
approach to assembling electronics. Compared with the traditional, complicated
learning method of using a breadboard and various electronic components to
assemble a project, Grove simplifies and condenses the learning process
significantly. The Grove system consists of a base shield and various modules with
standardized connectors. The base shield allows for easy connection of any
microprocessor input or output from the Grove modules, and every Grove module
addresses a single function, such as a simple button or a more complex heart rate
sensor. Each one comes with clear documentation and demo code to help you get
started quickly.
Get to know Arduino
If this is your first time to use an Arduino, you need to complete the following steps:
• Download Arduino IDE and Install Arduino Driver
• Install your microcontroller
• Download and import the Grove - Starter Kit Sketchbook
The download address of the Grove - Starter Kit Sketchbook is here.
Now you have got yourself ready for the Grove exploration.
Parts list
• 1*Base Shi el d
• 1*Grove - LCD RGB Backlight
• 1*Grove - Smart Relay
• 1*Grove - Buzzer
• 1*Grove - Sound Sensor
• 1*Grove - Touch Se ns or
• 1*Grove - Rotary An gl e Sensor
• 1*Grove - Temper ature Sens or
• 1*Grove - LED
• 1*Grove - Light Sensor
• 1*Grove – Button
• 1*DIP LED Blue-Blue
• 1*DIP LED Green-Green
• 1*DIP LED Red-Red
• 1*Mini Servo
• 10*Grove Cables
• 1*9V to Barrel Jack Adapter
• 1*Grove starter kit Manual
• 1*Green Plastic Box
Modules Deta il
Grove - Base Shield
First we start with the Grove base shield board. Grove - Base Shield is the new
version of Electronic Brick Shield.The Basic Shield is compatible with Seeeduino v3.0
(168p and 328p), and Arduino UNO and Duemilanove. The are 16 Grove ports on
the base shield, which can be divided into three different functional areas: digital
ports(8),analog ports(4),I2C(4).
• Digital Ports
As photo shows there are have 8 digital ports, what are equivalent to digital pins 0 to
through 9 on the Arduino Uno. Normally, they are used when reading a digital sensor
that only outputs 0 or 1,or turning on or off an actuator.
• Analog Ports
On the left-hand side are four Grove ports for taking analog reading. Analog sensors
can return readings ranging from 0 to 1023.Compared with digital sensors that only
return 0 or 1, analog readings are more detailed and precise.
• I2C Ports
Below the digital ports are four I2C Grove ports. I2C is a low-speed bus protocol that
transfers data via two wire : SCL and SDA . SCL is the clock line that synchronizes
data transfer over the I2C bus, and SDA is data line.
For a detailed information on how to use your Grove – Base Shield ,you can go
to Base Shield v2
Grove - LCD RGB Backl igh t
This Grove enables you to set the color to whatever you like via the simple and
concise Grove interface. It takes I2C as communication method with your
microcontroller. So number of pins required for data exchange and backlight control
shrinks from ~10 to 2, relieving IOs for other challenging tasks. Besides, Grove - LCD
RGB Backlight supports user-defined characters.
Example
The example shows you how to print text on the screen and change the color of
backlight. Find it via the path:
File -> Sketchbook -> Grove_RGB_Backlight_LCD -> HelloWorld
Tips
This is a 16x2 LCD screen. It is capable of displaying two rows of sixteen-character
texts, supporting languages including English and Japanese. Aside from the built-in
languages, you can have custom characters. You can build unique characters by
defining their display patterns. You can find an example of making a custom
character here:
https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight/archive/master.zip
Grove – Relay
Relay is a useful tool to magnify your Arduino’s control ability! Feed the control signal
through the Grove interface, and relay will control the open/close of the external
circuit that connected to the screw terminals. The voltage of the external circuit can
run up to 220V! So grab this relay and start some really tough projects!
Example
The example shows you how to control relay by a button : File -> Sketchbook ->
Grove_Realy.
Tips
Relay is an electronically controlled mechanical switch. The size of one varies
according to its capability of carrying current. The bigger a relay (essentially just the
plastic box part) is, the larger the current it can carry.
Please exercise great care when working with mains voltages – if in doubt contact a
professional such as a licensed electrician for help.
For a detailed information on how to use your Grove – Relay ,you can go to Grove –
Relay page
Grove – Buzzer
This is a simple yet enjoyable Grove to use. The piezo can be connected to digital
outputs, and will emit a tone when the output is high. Alternatively it can be
connected to an analog pulse-width modulation output to generate various tones and
effects.
Example
You can use the code for Grove – Button to make the buzzerbeep when you press
the button. However ,Grove – Buzzer can be much more fun – it can play songs!This
is a brief example from Oomlout.com, playing you a household nursery rhyme –
“Twinkle Twinkle Little Star”
Find the example via the path below:File -> Sketchbook -> Grove_Buzzer
This is a brief example from Oomlout.com, playing you a household nursery rhyme –
“Twinkle Twinkle Little Star”
Tips
How Piezo buzzer works? Usually there are two ceramic wafers in each Piezo
buzzer. When voltages are given to them, they attract or reject each other. The air
vibration caused by the shake of these wafers emits sound. When the shaking
frequency changes the sound frequency will change alongside.
For a detailed information on how to use your Grove - Buzzer ,you can go to Grove -
Buzzer page
Grove - Soun d Sen sor
The Sound sensor module is a simple microphone. Based on the amplifier LM358
and the electret microphone, it can be used to detect the sound strength of the
environment.
Example
The code for the Grove – Sound Sensor can be used to control an LED light whose
brightness reflects the intens ity of ambient sound.
File -> Sketchbook -> Grove_Sound_Sensor
Tips
The electric microphone collects sound intensity for all frequencies. And the
potentiometer acts as the doorman. When you rotate it completely clockwise, it lets
everything go through, and when you rotate it completely counterclockwise, none of it
can go through.
For a detailed information on how to use your Grove - Sound Sensor ,you can go
to Grove - Sound Sensor page
Grove - Touc h Sensor
Grove - Touch Sensor enables you to replace press with touch. It can detect the
change in capacitance when a finger is near by. That means no matter your finger
directly touches the pad or just stays close to the pad, Grove - Touch Sensor would
outputs HIGH.
Example
The code of Grove – Button works with this module. Find the example via the path
below :File -> Sketchbook -> Grove_Buzzer
Tips
This is an alternative to the momentary button .Grove – Touch Sensor detects the
change in capacitance in the circular region; the closer you finger is to the region, the
larger the change in capacitance. Even if there is paper between your finger and the
sensor, it will still function reliable.
For a detailed information on how to use your Grove - Touch Sensor ,you can go
to Grove - Touch Sensor page
Grove - Rotary A ngle Se nsor
The potentiometer Grove produces analog output between 0 and VCC. The angular
range is 300 degrees with a linear change in value. The resistance value is 10k
ohms, perfect for Arduino use. This may also be known as a “rotary angle sensor” .
Example
The example shows you how to read the value of a rotary angle sensor:
File -> Sketchbook -> Grove_Rotary_Angle_Sensor
Tips
A rotary potentiometer looks very similar to a rotary encoder, but they are not the
same. A Rotary potentiometer is essentially a slide potentiometer .It reflects the
potion in an analog way just like a slide potentiometer does.
For a detailed information on how to use your Grove - Rotary Angle Sensor,you can
go to Grove - Rotary Angle Sensor page
Grove – Temp erature Sen sor
400px
Grove - Temperature Sensor uses a thermistor which returns the ambient
temperature. Our board then converts this voltage value measured by an analog
input pin to a temperature. The operating range is -40 to 125 degrees Celsius.
Example
The example shows you how to convert the raw output of the sensor onto
temperatures .You can see data in Celsius in the serial monitor.
File -> Sketchbook -> Grove_Temperature_Sensor.
Tips
Grove – Temperature Sensor is used to detect environment temperature.
For a detailed information on how to use your Grove - Temperature Sensor,you can
go to Grove - Temperature Sensor
Grove - LED
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.
Example
This example we make an LED light with breathing effects:
File -> Sketchbook -> Grove_LED
Tips
We prepare three colors of LED bulbs for you, you can get the color you want by
changing the LED on the tiny Grove – LED Socket .LEDs have an cathode on the flat
side of the bulb, and a anode on the round side of the bulb. The anode needs to be
installed corresponding to the ‘+’ sign on the seat for the LED to work properly.
For a detailed information on how to use your Grove - LED,you can go to Grove -
LED page
Grove - Light S ensor
The light sensor, also known as the light dependent resistor (LDR). Typically, the
resistance of the light sensor will decrease when the ambient light intensity
increases.
Example
This example will turn on an LED when the light intensity falls below the preset
threshold:
File -> Sketchbook -> Grove_Light_Sensor
Tips
The output of the analog light sensor ranges from 0 to 1023, but the output is not
linear with respect to the ambient light intensity.
For a detailed information on how to use your Grove - Light Sensor,you can go
to Grove - Light Sensor
Grove – Button
This new version of button Grove module contains one independent button, which
are configured with pull-down resistor – ready for use with our microcontrollers as
digital input. The button signals the SIG wire,NC is not used on this Grove module.
Example
This example shows you how to turn on or off an LED by this button.
File -> Sketchbook -> Grove_Button
Tips
“Momentary” means the button rebounds after pressed .This button output HIGH
when pressed, and LOW when released.
Grove - Servo
This is an actuator whose position can be precisely controlled.
Example
We prepared an example of how we use a potentiometer to control the position of the
servo:
File –> Sktechbook –> Servo
Tips
Grove – Servo has mounting hardware options for different purposes: you can use
them to drive a small fan, lift an object, or mimic a clock hand.
Demo projects
1. A Cup Of Fl ower s
Description
Would you like a cup of flowers to ease your exhausted heart? This project is made
up of Grove – LED and one Grove – Touch Sensor. With the sensor being touched,
those lovely LEDs will shine you a warm and comfortable light effect.
Materials List
1. Arduino x 1;
2. Grove – Base Shiel d x 1;
3. Grove – LED x 6;
4. Grove – Touch Sensor x 1;
5. 6 x 6cm Color paper x 6;
6. 9V battery & 9V ba tt ery clip x 1.
Note
The number of LEDs is arbitrary. There are three of them contained in the basic kit.
But you can increase or decrease it depending on the volume of your cup. I have a
big cup here, so I added three more from our website.
Steps
1. Fold The Buds
Choose one flower pattern you like and follow its steps to create some of them. One
Google search may help a lot in finding one. There are so many origami hobbyists
and artists over the Internet who’d like to share their handcrafts.
I chose tulip here, but sunflower, rose and lily also sound great!
When folding the bud, you need to leave a small hole on its button for the Grove
cable to go through.
2. Set Up
Connect the buds and the touch sensor onto the Grove – Base Shield with the 10cm
Grove cable. And then upload the code to your controller.
<pre>void setup()
{
pinMode(2, OUTPUT);
pinMode(4, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(11, OUTPUT);
pinMode(13, OUTPUT);
pinMode(9, INPUT); //pin of touch sensor
}
void loop()
{
int switchState = digitalRead(9);
if(switchState == HIGH)
{
digitalWrite(2, HIGH);
digitalWrite(4, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(11, HIGH);
digitalWrite(13, HIGH);
}
else
{
digitalWrite(2, LOW);
digitalWrite(4, LOW);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
digitalWrite(11, LOW);
digitalWrite(13, LOW);
}
delay(100);
}</pre>
3. Power Up & Settle Down
Use a portable 9V battery to provide power to the flowers and settle it down in the
cup. Finished! Enjoy your cup of flowers !
2. How You Doing !
(downloaded form think.bigchief.it)
Description
How do you say hello to a friend? Big Chief would say “what’s better than a shake?”
When one of these Big Chief paper toys lean his back against the others, they will
shake to say hi!Materials List
1. Arduini x 1;
2. Grove – Base Shiel d x 1;
3. Grove – Magnetic Switch x 1;
4. Grove – Vi br a t or x 1;
5. Paper toys x 2;
6. Magnet x 1;
7. 9V battery & 9V ba tt ery clip x 1.
Note: The number of LEDs is arbitrary. There are three of them contained in the
basic kit. But you can increase or decrease it depending on the volume of your cup. I
have a big cup here, so I added three more from our website.
Steps
1. Print It Out!
Choose one pattern you like over the Internet. Make sure there is enough room for a
magnet or a magnetic switch plus a vibrator. Same as the origami flower above, you
can find tons of them on the Internet.
2. Fill The Organs In
Focus when cutting the paper toys. Only in that way you can get a neat one. After
that, time to fill some organs to them. I pasted a magnet on the back of Big Cihef
A(let’s call it this name !). I stuck it there with double-sided adhesive tape.
And for Big Chief B, I pasted a magnetic switch on his back, the same position as A,
and a vibrator on his foots.
3. Glue Them Up
Carefully follow the instruction on the printed sheet. Plug the Grove cables into two
Grove Modules we used in Big Chief B. Then you will get two cute paper toys like
above.
4. Upload Program
Upload the code below to your Arduino. By doing this, you bring life to them.
<pre>void setup()
{
pinMode(11, INPUT);
pinMode(9, OUTPUT);
}
void loop()
{
int sensorState = digitalRead(11);
if (sensorState == 1) digitalWrite(9, HIGH);
else digitalWrite(9, LOW);
delay(100);
}</pre>
Features
• Standardized – scalable Jigsaw shape, unified 4 pin connector, screw hole grid,
edge solder pad, reduce duplicate developing, reuse in different projects to
reduce environment impact
• Compact – size from 2cm*2 cm, seamless combination, surface mounting
components, 2.0mm pitch cable
• Friendly – easy buckled connection, dumb proof, various extension modes, open
for DIY, libraries and demo codes
• Plentiful- large selection of common circuits from basic (button, LED) to
professional sensor (Gyro, Compass), keep adding per demand, 3rd party
contributions, reusable
• Community based – satisfying needs through voting, democratized design,
project and recipe sharing, profit sharing business pattern, Renting and Reuse
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