Velleman VMP502 Manuale utente

VMP502

BASIC LEARNING KIT FOR RASPBERRY PI®

USER MANUAL

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USER MANUAL

1. Introduction

To all residents of the European Union

Important environmental information about this product

This symbol on the device or the package indicates that disposal of the device after its lifecycle could

harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste; it

should be taken to a specialized company for recycling. This device should be returned to your

distributor or to a local recycling service. Respect the local environmental rules.

If in doubt, contact your local waste disposal authorities.

Thank you for choosing Velleman®! Please read the manual thoroughly before bringing this device into service.

If the device was damaged in transit, do not install or use it and contact your dealer.

2. Safety Instructions

•This device can be used by children aged from 8 years and above, and persons with

reduced physical, sensory or mental capabilities or lack of experience and knowledge if

they have been given supervision or instruction concerning the use of the device in a

safe way and understand the hazards involved. Children shall not play with the device.

Cleaning and user maintenance shall not be made by children without supervision.

•Indoor use only.

Keep away from rain, moisture, splashing and dripping liquids.

3. General Guidelines

•Refer to the Velleman®Service and Quality Warranty on the last pages of this manual.

•Familiarise yourself with the functions of the device before actually using it.

•All modifications of the device are forbidden for safety reasons. Damage caused by user

modifications to the device is not covered by the warranty.

•Only use the device for its intended purpose. Using the device in an unauthorised way

will void the warranty.

•Damage caused by disregard of certain guidelines in this manual is not covered by the

warranty and the dealer will not accept responsibility for any ensuing defects or

problems.

•Nor Velleman nv nor its dealers can be held responsible for any damage (extraordinary,

incidental or indirect) –of any nature (financial, physical…) arising from the possession,

use or failure of this product.

•Due to constant product improvements, the actual product appearance might differ from

the shown images.

•Product images are for illustrative purposes only.

•Do not switch the device on immediately after it has been exposed to changes in

temperature. Protect the device against damage by leaving it switched off until it has

reached room temperature.

•Keep this manual for future reference.

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4. Contents

•830 points solderless breadbord

•5 x 10K resistors (RA10K0)

•5 x 2K resistors

•5 x 220R resistors (RA220E0)

•1 x 1602 LCD module (LCD1602BLC)

•1 x T-shape GPIO expansion board

•1 x ribbon cable for GPIO board

•1 x infrared receiver VS1838

•1 x mini remote control for VMA317

•1 x 50K potentiometer (K047AM)

•4 x button with round cap 4-pin 12 x 12 mm

•1 x 40 pin 2.54 mm single row male pin header

•3 x photo sensitive transistor (SGPT5053C)

•1 x LM35 temperature sensor (LM35DZ)

•1 x active buzzer 5 V

•1 x passive buzzer 5 V

•30 x breadboard jumper wire M-M different length

•1 x 20P / 20 cm male to female jumper

•1 x micro servo 9 g (VMA600)

•1 x MAX7219 + 1088AS matrix 8 x 8 LED module

•1 x PCF8591 analog to digital converter module + 3p jumper

•1 x 5 mm RGB LED

•1 x flame sensor YG1006 (IR photodiode)

•2 x tilting sensor (MERS4)

•1 x shift register 74HC595N

•1 x 1 digit 7 segment display SMA42056

•1 x 4 digit 7 segment display SMA420564

•1 x plastic clear box 200 x 140 x 48 mm

5. How to Use the GPIO Extension Board

Connect the Raspberry Pi®and the extension board as follows:

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6. Operation

6.1 A Blinking LED

Learn how to programme the Raspberry Pi®to make an LED burn.

Required Hardware

•1 x Raspberry Pi®

•1 x breadboard

•1 x LED

•1 x 220 Ω resistor

•jumper wires as needed

A semiconductor LED is a type of component, which can turn electric energy into light energy via PN junctions.

By wavelength, it can be categorized into a laser diode, an IR LED and a visible LED.

When a 2 V to 3 V forward voltage is supplied to an LED, it will blink only if the forward currents flow through

the LED. Usually, there are red, yellow, green, blue and colour-changing LEDs. LEDs are widely used due to

their low operating voltage, low current, luminescent stability and small size.

LEDs are diodes. Hence, they have a voltage drop, which varies from 1 V to 3 V depending on their types.

Likewise, LEDs usually emit light if supplied with a 5 mA tot 30 mA current, and generally 10 ma to 20 mA is

used. When an LED is used, it is necessary to connect a current-limiting resistor to protect the LED from over-

burning.

In this experiment, connect a 220 Ω resistor to the anode of the LED, connect the resistor to a 3.3 V power

source, connect the cathode of the LED to the GPIO. Write 0 to the GPIO and the LED will blink.

Experiment

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C Programming

1. Change directory:

cd/home/pi/IDUINO_SuperKit_C_code_for_RaspberryPi/01_LED

2. Compile:

gcc led.c –o led –lwiringPi

3. Run:

sudo ./led

Python Programming

1. Change directory:

cd/home/pi/IDUINO_SuperKit_Python_code_for_RaspberryPi/

2. Run:

sudo python 01_led.py

The LED should be blinking. Change the delay time if you want the LED to blink faster.

Programming

C Programming

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Python Programming

6.2 Controlling an LED by a Button

Required Hardware

•1 x Raspberry Pi®

•1 x breadboard

•1 x LED

•1 x 220 Ω resistor

•1 x button

•jumper wires as needed

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Use a NO button as the Raspberry Pi®input. When the button is pressed, the GPIO connected to the button will

turn into low level (0 V). We can detect the state of the GPIO connected to the button through programming.

You can run the corresponding code when the button is pressed, and the LED will light.

Experiment

C Programming

1. Change directory:

cd/home/pi/IDUINO_SuperKit_C_code_for_RaspberryPi/02_BtnAndLED/

2. Compile:

gcc BtnAndLed.c –o BtnAndLed –lwiringPi

3. Run:

sudo ./BtnAndLed

Python Programming

1. Change directory:

cd/home/pi/IDUINO_SuperKit_Python_code_for_RaspberryPi/

2. Run:

sudo python 01_btnAndLed.py

Hold the button pressed and the LED will light; release the button to switch off the LED.

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Programming

C Programming

Python Programming

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6.3 Flowing LEDs

We will see how to make eight LEDs blink in various effects.

Required Hardware

•1 x Raspberry Pi®

•1 x breadboard

•8 x LED

•8 x 220 Ω resistor

•jumper wires as needed

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Set the GPIO to a low level in turn by programming and LEDs 0 to 7 will light in turn. Control the delay and

order to make the LEDs blink in different effects.

Experiment

C Programming

1. Change directory:

cd/home/pi/IDUINO_SuperKit_C_code_for_RaspberryPi/03_8Led/

2. Compile:

gcc 8Led.c –o 8Led –lwiringPi

3. Run:

sudo ./8Led

Python Programming

1. Change directory:

cd/home/pi/IDUINO_SuperKit_Python_code_for_RaspberryPi/

2. Run:

sudo python 03_8Led.py

You will see eight LEDs light circularly and render different effects.

You can write the blinking effects of the LEDs in an array. If you want to use one of these effects, you can call it

in the main() function directly.

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