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    Published on 29-04-11 21:42   
    1. Categories:
    2. Arduino,
    3. Open Source,
    4. 990.023
    Article Preview



    The 990.023 Luigino328 is an Arduino-compatible board with some added features that's make easier the software development. With Luigino328 You can use same software, sketches and shield normally used with Arduino.
    Note:
    Board marked as PROTOTYPE (code 990.023P) has a little defect on ICSP connector: this is lightly moved of 0.05" straight-left. This is not a big problem since it doesn't compromise hardware functions but if you want to use some shields
    ...
    Published on 21-04-11 13:00   
    1. Categories:
    2. Arduino,
    3. Open Source,
    4. 990.023
    Article Preview


    La 990.023 Luigino328 è una scheda compatibile con Arduino, rispetto al quale presenta alcune migliorie che permettono uno sviluppo software più rapido e con meno intoppi. La realizzazione di Luigino328 è seguìta dopo un lungo ed attento studio della piattaforma Arduino che di per sè riteniamo già un prodotto molto valido. Sembra difficile poter migliorare qualcosa che di per sè è già ottimo, ma ci siamo riusciti ugualmente!

    E' possibile ...
    by Published on 15-08-10 23:35   
    1. Categories:
    2. Tutorials,
    3. RS485

    Con la modalità RS485 è possibile fare in modo che due o più dispositivi possano comunicare tra loro sullo stesso Bus. Tale modalità di comunicazione può anche essere sfruttata indipendentemente dall'utilizzo della modalità RS485 "hardware", ovvero tramite il classico doppino AB.

    Questo protocollo Multipeer e' utile anche nel caso si utilizzi una rete wireless tramite XBee oppure una rete mista XBee/485/UART, in quanto e' possibile inviare un comando preciso ad un dispositivo ...
    Published on 10-07-10 22:16   
    1. Categories:
    2. 990.014,
    3. LCD
    Article Preview

    In questo articolo verrà mostrato come incominciare a muovere i primi passi con la MuIN LCD. Nel caso dovreste incontrare problemi durante il tutorial, potete saltare alla sezione Troubleshooting in fondo all'articolo.

    Fase 1 - Impostare i jumpers

    Dal momento che effettueremo un test di collegamento con il pc, dovremo avere cura di avere selezionati i jumpers adatti. Lasciare aperti tutti i jumper di comunicazione (marcati come UART) e inserire un jumper sui connettori marcati "logic" in direzione della scritta "USB" come mostrato nella figura seguente:


    Nota
    I jumpers marcati come "UART" servono per selezionare la linea di comunicazione UART da utilizzare. Sebbene la MuIN LCD utilizzi un
    ...
    Published on 09-07-10 21:40   
    1. Categories:
    2. 990.014,
    3. LCD
    Article Preview

    Here you can see how to perform a simple check of your brand new MuIN LCD. If you encounter some problems during those operations, you can jump to Troubleshooting section at the end of this article. Let's start!

    Step 1 - Setting the jumpers

    Since we'll do a simple test with pc, using USB port, we must check some jumpers: leave open all the jumpers marked as "UART" and place a jumper on the connector marked "Logic" in direction of "USB" mark, follow the picture:

    Note
    The "UART" Jumpers are used to send/receive serial data over XBee, UART or RS485 lines. The USB have a dedicated
    ...
    Published on 27-06-10 15:15   
    1. Categories:
    2. 990.011,
    3. dsPIC
    Article Preview


    The dsNav board is designed around a Microchip dsPIC33FJ128MC802 motor controller DSC. All the documentation about dsPIC33FJ family is available for free at Microchip web site, as well as detailed description of every single feature of MC series. It is strongly recommended to download the PDF files in order to have a practical and fast reference for any doubt.

    Please read Datasheet for an overview of this product.

    All the pins of DSC are available on the board but this one is optimized to drive a couple of motors with a closed loop control. For this reason socket, plugs and pin headers are placed to easily interface two H-bridges to drive motors and two encoders for the feedback. The ENC1 and ENC2 encoders plugs follow the US Digital pinout.

    The used ...
    Published on 20-06-10 15:43   
    1. Categories:
    2. 990.014,
    3. LCD
    Article Preview


    MuIN LCD Board is a multi-interface LCD display controller compatible with HD44780 chipset and similars. When a fully-featured remote display consolle is needed (without waste of time and money), the MuIN LCD is the right choice!

    The MuIN LCD Board can be interfaced to other applications by a variety of connections: USB, UART (TTL and CMOS), RS485 and XBee. The messages are displayed instantly sending the data in ASCII format over the selected serial connection. The characters will be displayed in the same order they are sent, starting from the cursor location. Pagination and carriage return are automatic: at the end of the last row, the cursor will go on the beginning of display. The MuIN LCD Board can also displays bar-graphs, an useful feature for analog values representation. MuIN is equipped with a powerful piezo-speaker that can play tones with frequency between 240 and 4400Hz with a duration from 20mSec to 2.5Sec. The backlight can be turned off or adjusted by software. The LCD contrast is adjusted with a trimmer. MuIN LCD Board can operates with LCD displays that have 2 or 4 rows and 16 or 20 columns. The LCD size can be selected by software or using the test GUI.
    The ...

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