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    How to extend the number of digital pins of an Arduino or NodeMCU using shift registers
    Maty
    • Jul 24, 2020
    • 4 min

    How to extend the number of digital pins of an Arduino or NodeMCU using shift registers

    The number of digital pins on a microcontroller seems to never be enough, but with shift registers You can get as many new pins as you like! For my next project, I need WiFi and decided to use NodeMCU. The problem is that it has even fewer usable digital pins than the Arduino Nano. I also need to control four stepper motors, four IR sensors, and a real-time clock. Only for the steppers, I need sixteen pins! Using only the NodeMCU this would be impossible, but the here shift r
    1,885 views0 comments
    BlueCArd - part 9 - the ultimate Print and Assembly manual
    Maty
    • Jun 26, 2020
    • 2 min

    BlueCArd - part 9 - the ultimate Print and Assembly manual

    How to print and assembly the Arduino based Bluetooth (BLE) Android controlled RC car BlueCArd. In this tutorial, I'll show You how to print and assemble the fully 3D printed Arduino based and through Bluetooth Low Energy (BLE) with Android device, controlled RC car BlueCArd. At the end of this tutorial, You should be able to build your own BlueCArd. 3D printing the parts I designed all parts to be as easy as possible to print. I used these settings for all parts: 20% infill
    1,277 views0 comments
    BlueCArd - part 8 - controlling a Servo Motor from Arduino Nano with an Android device
    Maty
    • Jun 5, 2020
    • 3 min

    BlueCArd - part 8 - controlling a Servo Motor from Arduino Nano with an Android device

    How to connect a servo motor to an Arduino Nano microcontroller and how to control it from an Android device using Bluetooth Low Energy (BLE). This tutorial is part of the BlueCArd tutorials series with the ultimate to build the BlueCArd Arduino based RC car controlled from Android phone through Bluetooth. In this tutorial, I'll explain what is a servo motor and how to connect it to an Arduino microcontroller. I will also show you how to control it remotely from an Android de
    1,315 views0 comments
    How to control multiple bipolar stepper motors simultaneously using an Arduino Nano
    Maty
    • May 30, 2020
    • 3 min

    How to control multiple bipolar stepper motors simultaneously using an Arduino Nano

    For my next project, I bought four cheap bipolar stepper motors. In this tutorial, I'll show you how to control all four of them simultaneously using Arduino Nano and utilizing sixteen pins (ten digital and six analog pins) for this. I won't go in detail about how a bipolar stepper motor works. What is important to know is how it is controlled. A bipolar stepper motor has four input wires that have to be set as follow: pins 1 2 3 4 step 1 0 0 0 1 0 1 0 0 2 0 0 1 0 3 0 0 0 1 4
    3,894 views2 comments
    BlueCArd - part 7 - using H-Bridge to control a DC Motor from Arduino Nano
    Maty
    • May 28, 2020
    • 4 min

    BlueCArd - part 7 - using H-Bridge to control a DC Motor from Arduino Nano

    How to connect and control a DC Motor to an Arduino Nano using an H-Bridge and how to send commands from Android to the Arduino Nano microcontroller to control the DC Motor. This tutorial is part of the BlueCArd tutorials series with the ultimate to build the BlueCArd Arduino based RC car controlled from Android phone through Bluetooth. In this tutorial, I'll explain how an H-Bridge works and how to use it to control a DC motor. Then I'll show You how to extend the Android Ap
    1,033 views0 comments
    BlueCArd - part 6 - Controlling the Arduino Nano Bluetooth module from Android device
    Maty
    • May 19, 2020
    • 8 min

    BlueCArd - part 6 - Controlling the Arduino Nano Bluetooth module from Android device

    How to connect to and control an Arduino Nano with an AT-09 / HM-10 Bluetooth Low Energy (BLE) module from an Android device. This tutorial is part of the BlueCArd tutorials series with the ultimate to build the BlueCArd Arduino based RC car controlled from Android phone through Bluetooth. In the last tutorial I showed you how to connect the Bluetooth module to the Arduino microcontroller and how to send data between the Arduino Nano and the BLE module. In this tutorial we wi
    2,793 views0 comments
    BlueCArd - part 5 - Arduino Nano Bluetooth module how to (AT-09 or HM-10)
    Maty
    • May 13, 2020
    • 7 min

    BlueCArd - part 5 - Arduino Nano Bluetooth module how to (AT-09 or HM-10)

    How to connect and configure a Bluetooth module to communicate with Arduino
    3,115 views0 comments
    BlueCArd - part 4 - DC DC Boost Converter - what is it and why we need it
    Maty
    • May 9, 2020
    • 4 min

    BlueCArd - part 4 - DC DC Boost Converter - what is it and why we need it

    To power the Arduino Board and the rest of the electronic we need a stable power source. In this tutorial I'll show you what is a DC DC Boost Converter (aka step up converter), how to use it and why we need it The elements used in this tutorial are from the list of elements needed for BlueCArd. The detailed list can be found here: BlueCArd - list of elements The elements needed for this tutorial are: The elements from the last tutorial (without the USB cable): Arduino Nano Fi
    640 views0 comments
    BlueCArd - part 3 - Arduino Nano first steps
    Maty
    • May 5, 2020
    • 4 min

    BlueCArd - part 3 - Arduino Nano first steps

    First steps with Arduino Nano - Arduino Nano - short overview - connect to the pc - simple circuit - simple sketch
    648 views0 comments
    BlueCArd - part 2- What is a Breadboard and how to use it
    Maty
    • May 2, 2020
    • 3 min

    BlueCArd - part 2- What is a Breadboard and how to use it

    What is a breadboard and how to use it to connect a circuit
    738 views0 comments
    BlueCArd - a fully 3D Printed Arduino RC Car - Android - part 1- list of elements
    Maty
    • Apr 26, 2020
    • 4 min

    BlueCArd - a fully 3D Printed Arduino RC Car - Android - part 1- list of elements

    You want to build BlueCArd? Here is a detailed list of all the parts needed!
    3,176 views3 comments

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