Totem TotemDuino Manuel utilisateur

TotemDuino User Guide

www.totemmaker.net

Totem by UAB Aldrea

ver 1.1

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Table of Contents

Features .................................................................................................................................................... 3

Getting started........................................................................................................................................ 3

Connecting TotemDuino to your computer................................................................................ 3

Using Arduino IDE ............................................................................................................................... 5

Technical specifications ................................................................................................................... 10

Fig. 1 TotemDuino board

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Features

• Atmega328 microcontroller

• 100% Arduino Uno compatible, works with all Arduino shields

• Works in Arduino IDE

• 9-30 V DC or 5V USB supply power range

• When powered from DC power adapter, can supply up to 1.5A of current at 5V.

• Selectable 5V or 3.3V logic voltage

• Noise immune design

• Additional filtering for precise analog voltage measurements

• Integrated programmer - no extra parts needed to start coding.

• Arduino and Totem compatible mounting holes

• 34-pin flat cable connector for integration with Totem MiniLab

Getting started

Starting to use TotemDuino is really simple —it is a fully backwards compatible with

Arduino UNO platform, so all the great Arduino IDE features can be used to write

firmware for TotemDuino as well.

Connecting TotemDuino to your computer

Using a mini USB cable you can upload new firmware sketches into TotemDuino. It holds

a complete backwards software compatibility with Arduino UNO boards, so Arduino IDE

can be used to write programs for it. While you can use different programming

environments to write firmware for it, using Arduino is one of the most friendliest and

quickest way to start.

Firstly, install Arduino IDE to your computer —refer to official documentation for the

Arduino IDE installation instructions, which can be found here:

https://arduino.cc/en/Guide/HomePage

Additional learning and introductory resources is recommended to use, such as:

• What is an Arduino?

https://learn.sparkfun.com/tutorials/what-is-an-arduino

• What is a circuit?

http://learn.sparkfun.com/tutorials/what-is-a-circuit

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While TotemDuino works without any additional drivers with Windows10, previous

versions of Windows might require manually downloading drivers for a communication

chip used in it (PL-2303HXD). A latest version can be found at manufacturers website:

http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

On macOS systems, driver will need to be manually installed for it to work:

http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=229&pcid=41

After installation, TotemDuino serial port /dev/cu.usbserial should show up when

connected:

Fig. 2 Selecting TotemDuino board port

One note regarding macOS compatibility is that it’s important to not unplug the device

while it’s being programmed. Doing so will cause the driver to get stuck, and further

connected TotemDuino boards will not show up until computer is restarted.

On most Linux systems driver for the TotemDuino should be included in the system

already, so no further steps are needed to be taken. If it’s missing, or the device doesn’t

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enumerate when connected, refer to your distribution manual on how to enable PL2303

kernel module. Tested distributions that include the driver are Debian (and derivatives

such as Ubuntu) and Fedora.

Using Arduino IDE

After installation, you should be greeted by default Arduino IDE window:

Fig. 3 Arduino IDE window

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To work with TotemDuino, first you must choose the correct board for which code will be

compiled, as well serial port, by which the compiled firmware will be uploaded to it. You

can select the board by clicking Tools-> Board. In the drop-down menu, please select

Arduino/Genuino UNO board:

Fig. 4 Board selection

Next, we’ll select serial port. Because the number of available serial ports differ from one

computer to another, and there’s no way to know which port is the correct TotemDuino

one, you might need to follow this procedure.

First check what ports are available when TotemDuino is disconnected, and compare the

list once you connect TotemDuino back.

The newly appeared port will be the port that should be used. On most laptops there are

no extra serial ports, so you might see TotemDuino port as being the only one available.

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Fig. 5 Selecting TotemDuino serial port

Once that’s done, we can start writing firmware for it. As always, its best to start with the

basics, so first we should try to upload a simplest firmware which only blinks the onboard

LED on the TotemDuino.

Using File->Examples->01. Basics drop-down menu select Blink example firmware:

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Fig. 6 Selecting example firmware

This will open a new Arduino IDE window with the source code of that firmware. Try to

compile and write the firmware to TotemDuino by clicking Upload button (icon with

right arrow):

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Fig. 7 Uploading firmware successfully

You should see a notification “Done uploading” in the bottom status bar. Now check if the

firmware does what it’s supposed to:

Fig. 8 Example LED blink firmware

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If the LED blinks, you got every bit working! Now you can start diving into the world of

programming by exploring other examples or creating your own firmwares for it. You

could plug external sensors, shields to bring even the craziest ideas to life.

Have fun!

Technical specifications

Microcontroller: Atmega328P

Operating voltage: 5 V or 3.3 V (user selectable)

Input voltage: 9 - 30 V DC, 5 V USB

Maximum input current: 1A (DC), 500mA (USB)

Flash memory: 32 kB

SRAM: 2 kB

EEPROM memory: 1 kB

General purpose I/O pins: 14

Analog input pins: 8

Width: 150 mm

Height: 29 mm

Weight: 30 g

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