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EASY plug Super Starter Kit for Arduino STEM EDU Tutorial

Posted by Fiona Su on

Introduction
The keyestudio EASY PLUG super starter kit is based on Mixly blocks coding, very easy to use and flexible.
This kit includes everything you need to complete Mixly projects that will teach you how to control and read external sensors and displays, control matrix, learn Mixly Blocks programming, and much more.
Although you have a few or even no electronics related knowledge, you can use this kit to realize your creative ideas as long as you want to.
After using this kit you’ll have the know-how to start creating your own amazing experiments. Share your own creative works with your intimate family, friends or classmates. Let’s get started right now!

Kit List

No. Product Name Quantity Picture
1 EASY plug Control Board V2.0 1
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2 EASY plug White LED Module 1
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3 EASY plug Blue LED Module 1
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4 EASY plug Red LED Module 1
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5 EASY plug thin-film pressure sensor 1
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6 EASY plug Analog Sound Sensor 1
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7 EASY plug Water Level Sensor 1
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8 EASY plug Potentiometer Sensor 1
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9 EASY plug Analog Alcohol Sensor 1
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10 EASY plug LM35 Temperature Sensor Module 1
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11 EASY plug Digital Tilt Sensor Module 1
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12 EASY plug Steam Sensor 1
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13 EASY plug Hall Magnetic Sensor 1
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14 EASY plug Crash Sensor 1
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15 EASY plug Digital Push Button 1
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16 EASY plug Reed Switch Module 1
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17 EASY plug Line Tracking Sensor 1
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18 EASY plug Photo Interrupter Module 1
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19 EASY plug Single Relay Module 1
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20 EASY plug ADXL345 Acceleration Module 1
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21 EASY plug DHT11 Temperature and Humidity Sensor 1
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22 EASY plug 8x8 LED Matrix 1
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23 EASY plug 1602 LCD Module 1
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24 EASY plug 4-digit LED display 1
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25 200mm blue RJ11 cable 5
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26 300mm blue RJ11 cable 3
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27 USB cable 1
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Introduction for Mixly
Mixly
Mixly is a free open-source graphical Arduino programming software, based on Google’s Blockly graphical programming framework, and developed by Mixly Team@ BNU.
It is a free open-source graphical programming tool for creative electronic development; a complete support ecosystem for creative e-education; a stage for maker educators to realize their dreams.
Although there is an Ardublock graphical programming software launched by Arduino official, Ardublock is not perfect enough, and many common functions cannot be realized.

Interface Functions of Mixly
System Functions
Look at the main interface of Mixly, it includes five parts, that is, Blocks selection, code edit, text code (hidden), system function and message prompt area. Shown below.

3.1-1.png

Some common functions:
Through this interface, you can complete the code compile、upload、save and manage. It support four remove methods: drag it left out code window, or drag to Recycle Bin, delete key, or right-click to delete block. It supports four languages: English、Español (Spanish)、中文简体(Chinese Simplified)、中文繁体(Chinese Traditional).

3.1-2.png

In/Out Block

3.2-1.png

No. BLOCK ICON DEFINITION
1 Returns HIGH or LOW voltage
2 Write digital value to a specific Port.
Digital Output: set the HIGH or LOW output for IO pins
3 Returns a digital value of a specific Port.
Digital IO Read Pin, generally used to read the HIGH or LOW level detected by Digital sensor
4 Write analog value between 2 and 255 to a specific Port.
Analog Output: set the Analog value output by Analog IO pins (0~255).
5 Returns value between 0 and 1023 of a specific Port.
Analog IO Read Pin, generally used to read the Analog value detected by Analog sensor.
6 External Interrupts function, with three trigger interrupt modes RISING, FALLING, CHANGE.
7 Detachs interrupt to a specific Port.
Turn off the given interrupt function.
8 Set the IO pins as Output or Input state
9 Read the continuous time of HIGH or LOW pulse from IO pins.( generally used for ultrasonic ranging)
10 Read a pulse (either HIGH or LOW) on a pin within a time set in timeout.
11 Set the ShiftOut data pin, clock pin. Output the data needed from the bitOrder MSBFIRST or LSBFIRST (Most Significant Bit First, or, Least Significant Bit First).
Generally used for controlling the 74HC595 CHIP.
12 This is the function interface under Normal mode. If select Advanced mode, the functions will be more.

For example:
Connect your Arduino Uno board, then follow the steps below to light the Pin13 led on Arduino UNO.

Control Block

No. BLOCK ICON DEFINITION
1 Initialization (run only once)
2 End the program, means the program will stop running when use this block.
3 Delay function, click to select ms or us
(pause the program for the amount of time (in milliseconds) specified as parameter. There are 1000 milliseconds in a second.)
4 if_do function (first evaluate a value be true or false, if a value is true, then do some statement.
You can click the blue gear icon to select the else if block or else block.)
5 switch function. You can click the blue gear icon to select the case block or default block. (used to evaluate several programs then execute the corresponding function matched with program.)
6
Equal to for statement.
7 A while loop statement.
8 break function, used to exit from the containing loop.
9 millis() function, returns the system running time since the program started.
(The unit can be ms (milliseconds) or μs(microsecond)).
10 Timer interrupt function, that is, set a trigger interrupt for the amount of time (in milliseconds) specified as parameter.
11 Timer interrupt start block
12 Timer interrupt stop block

For example:

Compile and upload the program below to your Arduino board, you should see Pin13 LED on Arduino UNO continue to flash.(with an interval of 1s, equal to 1000ms)

Math Block

No. BLOCK ICON DEFINITION
1
3.4-1.png
A number
2
3.4-2.png
Click to select the Arithmetic Operators:

+(addition); -(subtraction); x (Multiplication); ÷(division);  %(remainder); ^(bitwise xor)

3
3.4-3.png
Click to select the & (bitwise end)l (bitwise or)<< (bitshift left)>> (bitshift right)
4
3.4-4.png
Click to select the sincostan; asin; acos; atan; ln; log10; e^; 10^; ++ (increment) ;

-- (decrement)

5
3.4-5.png
Click to select the Round; Ceil; Floor; abs; sq; sqrt
Round: Returns the integer part a number using around.
Ceil: Returns the integer part a number using ceil.
Floor: Returns the integer part a number using floor.
abs: Return the absolute value of a number.
sq: Return the square of a number.
sqrt: Return the square root of a number.
6
3.4-6.png
If select the max, returns the larger number;
if select the min, returns the smaller number.
7
3.4-7.png
Initialize the random seed
8
3.4-8.png
Return a random integer between the two specified limits, inclusive.
9
3.4-9.png
Constrain a number to be between the specified limits (inclusive).
(generally used to constrain an analog value read from sensor)
10
3.4-10.png
Map a number from the first interval to the second interval.
(For instance, potentiometer-controlled servo, map the range of potentiometer (0, 1023) to the angle of servo (0, 180)).

Text Block

3.5.png

No. BLOCK ICON DEFINITION
1
3.5-1.png
character string: a letter, word, or line of text.
2
3.5-2.png
A character
3
3.5-3.png
Creates a piece of text by joining together two piece of text.
( Here Hello join Mixly equals HelloMixly)
4
3.5-4.png
Converts a string into an integer or an float.
5
3.5-5.png
Returns the char corresponding to an ASCII code
(Decimal number 97 corresponding to a)
6
3.5-6.png
Returns the ASCII code corresponding to a char.
7
3.5-7.png
Converts a number into a string.
8
3.5-8.png
Calculates the length of a string
9
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Output the char of a string (the char at 0 of hello is h)
10
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The first string equals or startsWith or endsWith the second string, returns 1, otherwise returns 0.
(if equals, both strings are abc, returns 1.)
11
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Returns a decimal value of the first string subtracts the second string.

List Block


No.
BLOCK ICON DEFINITION
1
3.6-1.png
Create a list with any number of items
2
3.6-2.png
Creats a list from a text. (int mylist [ ]={0,0,0};)
3
3.6-3.png
Creats a list from a text. (int mylist [ ]={0,0,0};)
4
3.6-4.png
Returns the value of at the specified position in a list.
5
3.6-5.png
Sets the value of at the specified position in a list.
Set the first item in mylist to another item.

Logic Block

3.7.png

No. BLOCK ICON DEFINITION
1
3.7-1.png
logic comparision
=: Return true if both inputs equal each other.
≠: Return true if both inputs are not equal to each other.
<: Return true if the first input is smaller than the second input.
≤ : Return true if the first input is smaller than or equal to the second input.
>: Return true if the first input is greater than the second input.
≥ : Return true if the first input is greater than or equal to the second input.
2
3.7-2.png
and:Return true if both inputs are true;
or: Return true if at least one of the inputs is true
3
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Returns true if the input is false. Returns false if the input is true.
4
3.7-4.png
Returns either true or false.
5
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Returns null
6
3.7-6.png
If the first number is true, the second number is returned, otherwise the third number.

Variable Block

3.8.png

No. BLOCK ICON DEFINITION
1
3.8-1.png
Declare and initialize a variable.

Click to select int, long,float, boolean, byte,char, string

2
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Define the data types

For example: LED breath
You need an Arduino Uno and one LED module. Connect the control pin of LED module to Pin 3 of Uno board (or other pins with “~”,that is, those pins can output PWM signal). LED will gradually light then gradually dim, repeatedly.

SerialPort Block

3.9.png

No. BLOCK ICON DEFINITION
1
3.9-1.png
Set the serial buad rate to 9600
2
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Write the specified number, text or other value.
3
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Print the specified number, text or other value on monitor.
4
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Print the specified number, text or other value on newline of monitor.
5
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Print the specified number in hexademical format on newline of monitor.
6
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If the serial port is available, it returns true, otherwise returns false.
(generally used in Bluetooth communication)
7
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Returns a string in serial port
8
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A string read from serial port to a string variable, pause until read the specified character.
9
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Read the serial data by byte (generally used to read the value sent from Bluetooth) (delete the data has been read)
10
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Wait for the output data completed
11
3.9-11.png
Set the software serial port
(call this function if need to use several serial ports)
12
3.9-12.png
Event function trigger by serial port data, that is, serial port is ready to call this function.
(equal to an interrupt function)

For example: serial communication
Done uploading the code, open the Arduino monitor, then enter a “hello” on the top bar, and click Send, it will print out “hello,world”.

3.9 Serial port -1.PNG

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Communicate Block

Communicate.PNG

No. BLOCK ICON DEFINITION
1
3.10-1.png

Do something when receiving infrared signals.

3.10-1-1.png

2
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Sends infrared signals of the specified types.
IR transmitter sends the data, here use the libraries, only PIN3 port.
3
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Enable IR decoding
4
3.10-4.png
Print the Infrared signal in RAW types when receiving it.
5
3.10-5.png
Sends RAW infrared signals (set the pin number, list, length of list and IR frequency)

For example:
You need an Arduino Uno board, an IR receiver module and an IR remote control.
Connect the signal pin of IR receiver to Digital pin 3 of Uno board, then upload the code and open the monitor. If send a signal to an IR receiver module using an IR remote control, you should see the monitor show the corresponding signal data.

3.10 ir.PNG

Sensor Block

Sensor.PNG

No. BLOCK ICON DEFINITION
1
3.11-1.png
Set the Trig and Echo pin of ultrasonic sensor.
Returns the distance of ultrasonic sensor measured. (unit: cm)
2
3.11-2.png
Set the control pin of DHT11 temperature and humidity sensor.
Returns the temperature or humidity of DHT 11 sensor measured.
3
3.11-3.png
Set the control pin of DHT11 temperature and humidity sensor.
Returns the temperature or humidity of DHT 11 sensor measured.

For example: ultrasonic ranging
Connect the Trig pin of ultrasonic sensor to Digital 1 of Uno, Echo pin to D2, then upload the code and open the monitor, you should see the distance value, updating once per 100ms.

3.11-4.png

Actuator Block

Actuator.PNG

No. BLOCK ICON DEFINITION
1
3.12-1.png
Sets the servo pin;
Moves between 0-180 degree;
Delay time for servo to rotate.
2
3.12-2.png
Returns that degree with the last servo move.
Read the degree of servo connected to IO pin set
3
3.12-3.png
Set the pin and specified frequency for buzzer to play sound.
4
3.12-4.png
Stop playing sound

For example:
Connect the signal end of servo to Digital 0 of Uno, then upload the code below, servo will rotate 90 degrees.
Note: Delay 100ms is the time required for servo to move.

3.12-5.png

Monitor Block

Monitor.PNG

No. BLOCK ICON DEFINITION
1
3.13-1.png
Set the IIC LCD1602 address
2
3.13-2.png
Input the value on LCD line 1 and line 2 from left to right.
3
3.13-3.png
Set the row and column of LCD to print the char
4
3.13-4.png
Clear the LCD screen
5
3.13-5.png
Set the control pin and the number of RGB light.
6
3.13-6.png
Set the RGB light pin, light number and brightness
7
3.13-7.png
Set the control pin, light number and color. (click to select the color)
8
3.13-8.png
Clear the data, namely turn off digital display
9
3.13-9.png
Four-digit display, displaying abcd.
10
3.13-10.png
Turn on or off the digitdisplay
(here turn on the first digitdisplay)

For example: serial communication

Separately connect the SDA (A4) and SCL (A5) of Arduino Uno to SDA and SCL pins of IIC LCD1602, then set the address of your LCD1602 screen, the LCD address we used here is 0x27. Then upload the code, LCD screen has two lines, you should see the line 1 print HELLO, and line 2 print 123456789.

3.13 LCD16002.PNG

Functions Block

Function.PNG

No. BLOCK ICON DEFINITION
1
3.14-1.png
Creates a function with no output.
Click the blue icon to set the procedure parameter.(no return value)
2
3.14-2.png
Creates a function with an output.
Click the blue icon to set the procedure parameter.
(with return value and can set the data types)
3
3.14-3.png
If a value is true, then return a second value.

For example: ultrasonic ranging
Below is an example code for line tracking car. We use three tracking modules (left to D6, middle to D7, right to D8). of course you need a tracking car to test it. First edit the forward, backward, turn left, turn right and stop into functions block. Then compile and upload the code below.

图片1-mixly 3.14.png

3.14-4.png

Installing Arduino Software

When you get the control board, first you should install the Arduino software and driver. We usually use the software Arduino 1.5.6 version. You can download it from the link below: https://www.arduino.cc/en/Main/OldSoftwareReleases#1.5.x Or you can browse the ARDUINO website to download the latest version from this link, https://www.arduino.cc, pop up the following interface.

KS0313-1.png

Then click the SOFTWARE on the browse bar, you will have two options ONLINE TOOLS and DOWNLOADS.

KS0313-2.png

Click DOWNLOADS, it will appear the latest software version of ARDUINO 1.8.5 shown as below.

KS0313-3.png

In this software page, on the right side you can see the version of development software for different operating systems. ARDUINO has a powerful compatibility. You should download the software that is compatible with the operating system of your computer.
We will take WINDOWS system as an example here. There are also two options under Windows system, one is installed version, the other is non-installed version. For simple installed version, first click Windows Installer, you will get the following page.

KS0313-4.png

KS0313-5.png

This way you just need to click JUST DOWNLOAD, then click the downloaded file to install it.
For non-installed version, first click Windows ZIP file, you will also get the pop-up interface as the above figure.
Click JUST DOWNLOAD, and when the ZIP file is downloaded well to your computer, you can directly unzip the file and click the icon of ARDUINO software to start it.
Installing Arduino (Windows)
Install Arduino with the exe. Installation package downloaded well.

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Click“I Agree”to see the following interface.

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Click “Next”. Pop up the interface below.

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You can press Browse… to choose an installation path or directly type in the directory you want.
Then click “Install” to initiate installation.

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Wait for the installing process, if appear the interface of Window Security, just continue to click Install to finish the installation.

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Installing Driver
Next, we will introduce the driver installation of UNO R3 development board. The driver installation may have slight differences in different computer systems. So in the following let’s move on to the driver installation in the WIN 7 system.
The Arduino folder contains both the Arduino program itself and the drivers that allow the Arduino to be connected to your computer by a USB cable. Before we launch the Arduino software, you are going to install the USB drivers.

KS0001-1.jpg

Plug one end of your USB cable into the Arduino and the other into a USB socket on your computer. When you connect UNO board to your computer at the first time, right click the icon of your “Computer” —>for “Properties”—> click the “Device manager”, under “Other Devices”, you should see an icon for “Unknown device” with a little yellow warning triangle next to it. This is your Arduino.

Driver 1.png

Then right-click on the device and select the top menu option (Update Driver Software...) shown as the figure below..

Driver 2.png

It will then be prompted to either “Search Automatically for updated driversoftware” or “Browse my computer for driver software”. Shown as below. In this page, select “Browse my computer for driver software”.

Driver 3.png

After that, select the option to browseand navigate to the “drivers” folder of Arduino installation.

KS0286-4.png

Click “Next” and you may get a security warning, if so, allow the software to be installed. Shown as below.

Driver 5.png

Once the software has been installed, you will get a confirmation message. Installation completed, click “Close”.

Driver 6.png

Up to now, the driver is installed well. Then you can right click “Computer” —>“Properties”—>“Device manager”, you should see the device as the figure shown below.

Driver 7.png

All Tutorial

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