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RC Robot Tutorial
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@@ -13,13 +13,14 @@ The following table summarizes GPIOs and pins reserved for operations purposes.
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The GPIO numbers correspond to those on the ESP32-C3 WROOM microcontroller. The Pin number corresponds to the pin on the Breadboard and Power adapter development board.
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The GPIO numbers correspond to those on the ESP32-C3 WROOM microcontroller. The Pin number corresponds to the pin on the Breadboard and Power adapter development board.
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x- and y- axis
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Reading the Joystick x- and y- axis
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~~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~
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The **GPIO0** and **GPIO1** assigned to measuring the voltage of x- and y- axis of the Joystick. Lastly, there is a group of GPIO pairs responsible for PWM for DC motors.
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To determine the position of the Joystick, the BitRider RC car uses ADC to measure voltage on two GPIOs connected to the joystic
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x- and y- axis potentionometers (**GPIO0** and **GPIO1**).
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Direction and Speed
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Controlling the Direction and Speed
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~~~~~~~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The pairs of DC motors on the left side are wired to the dedicated PWM channels. This means that *ESP32-C3 Breadboard DevBoard* can control rotation speed and direction of DC motors in pairs only (i.e. left and right side).
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The pairs of DC motors on the left side are wired to the dedicated PWM channels. This means that *ESP32-C3 Breadboard DevBoard* can control rotation speed and direction of DC motors in pairs only (i.e. left and right side).
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Consequently, only four PWM channels are sufficient for controlling the direction of the RC car.
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Consequently, only four PWM channels are sufficient for controlling the direction of the RC car.
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@@ -43,8 +43,8 @@
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</li>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="overview.html">2. HOW DOES IT WORK?</a><ul>
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<li class="toctree-l1"><a class="reference internal" href="overview.html">2. HOW DOES IT WORK?</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="overview.html#reserved-pins-gpios">2.1. Reserved Pins & GPIOs</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="overview.html#reserved-pins-gpios">2.1. Reserved Pins & GPIOs</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="overview.html#x-and-y-axis">2.1.1. x- and y- axis</a></li>
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<li class="toctree-l3"><a class="reference internal" href="overview.html#reading-the-joystick-x-and-y-axis">2.1.1. Reading the Joystick x- and y- axis</a></li>
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<li class="toctree-l3"><a class="reference internal" href="overview.html#direction-and-speed">2.1.2. Direction and Speed</a></li>
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<li class="toctree-l3"><a class="reference internal" href="overview.html#controlling-the-direction-and-speed">2.1.2. Controlling the Direction and Speed</a></li>
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</ul>
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</ul>
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</li>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="overview.html#fusion-of-software-with-hardware">2.2. Fusion of Software with Hardware</a></li>
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<li class="toctree-l2"><a class="reference internal" href="overview.html#fusion-of-software-with-hardware">2.2. Fusion of Software with Hardware</a></li>
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@@ -41,12 +41,13 @@ The Schematic and KiCAd PCB board are available on <a class="reference external"
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<h2><span class="section-number">2.1. </span>Reserved Pins & GPIOs<a class="headerlink" href="#reserved-pins-gpios" title="Link to this heading">¶</a></h2>
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<h2><span class="section-number">2.1. </span>Reserved Pins & GPIOs<a class="headerlink" href="#reserved-pins-gpios" title="Link to this heading">¶</a></h2>
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<p>The following table summarizes GPIOs and pins reserved for operations purposes.</p>
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<p>The following table summarizes GPIOs and pins reserved for operations purposes.</p>
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<p>The GPIO numbers correspond to those on the ESP32-C3 WROOM microcontroller. The Pin number corresponds to the pin on the Breadboard and Power adapter development board.</p>
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<p>The GPIO numbers correspond to those on the ESP32-C3 WROOM microcontroller. The Pin number corresponds to the pin on the Breadboard and Power adapter development board.</p>
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<section id="x-and-y-axis">
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<section id="reading-the-joystick-x-and-y-axis">
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<h3><span class="section-number">2.1.1. </span>x- and y- axis<a class="headerlink" href="#x-and-y-axis" title="Link to this heading">¶</a></h3>
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<h3><span class="section-number">2.1.1. </span>Reading the Joystick x- and y- axis<a class="headerlink" href="#reading-the-joystick-x-and-y-axis" title="Link to this heading">¶</a></h3>
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<p>The <strong>GPIO0</strong> and <strong>GPIO1</strong> assigned to measuring the voltage of x- and y- axis of the Joystick. Lastly, there is a group of GPIO pairs responsible for PWM for DC motors.</p>
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<p>To determine the position of the Joystick, the BitRider RC car uses ADC to measure voltage on two GPIOs connected to the joystic
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x- and y- axis potentionometers (<strong>GPIO0</strong> and <strong>GPIO1</strong>).</p>
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</section>
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</section>
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<section id="direction-and-speed">
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<section id="controlling-the-direction-and-speed">
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<h3><span class="section-number">2.1.2. </span>Direction and Speed<a class="headerlink" href="#direction-and-speed" title="Link to this heading">¶</a></h3>
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<h3><span class="section-number">2.1.2. </span>Controlling the Direction and Speed<a class="headerlink" href="#controlling-the-direction-and-speed" title="Link to this heading">¶</a></h3>
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<p>The pairs of DC motors on the left side are wired to the dedicated PWM channels. This means that <em>ESP32-C3 Breadboard DevBoard</em> can control rotation speed and direction of DC motors in pairs only (i.e. left and right side).
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<p>The pairs of DC motors on the left side are wired to the dedicated PWM channels. This means that <em>ESP32-C3 Breadboard DevBoard</em> can control rotation speed and direction of DC motors in pairs only (i.e. left and right side).
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Consequently, only four PWM channels are sufficient for controlling the direction of the RC car.
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Consequently, only four PWM channels are sufficient for controlling the direction of the RC car.
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Based on this constraint, the RC car can only move front, back, and turn/rotate left and right. Any other movements are not possible (i.e. diagonal or sideways).</p>
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Based on this constraint, the RC car can only move front, back, and turn/rotate left and right. Any other movements are not possible (i.e. diagonal or sideways).</p>
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@@ -278,8 +279,8 @@ Right DC Motors spin clockwise</p></td>
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<li class="toctree-l1"><a class="reference internal" href="intro.html">1. OVERVIEW</a></li>
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<li class="toctree-l1"><a class="reference internal" href="intro.html">1. OVERVIEW</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">2. HOW DOES IT WORK?</a><ul>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">2. HOW DOES IT WORK?</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#reserved-pins-gpios">2.1. Reserved Pins & GPIOs</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#reserved-pins-gpios">2.1. Reserved Pins & GPIOs</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#x-and-y-axis">2.1.1. x- and y- axis</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#reading-the-joystick-x-and-y-axis">2.1.1. Reading the Joystick x- and y- axis</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#direction-and-speed">2.1.2. Direction and Speed</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#controlling-the-direction-and-speed">2.1.2. Controlling the Direction and Speed</a></li>
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</ul>
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</ul>
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</li>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="#fusion-of-software-with-hardware">2.2. Fusion of Software with Hardware</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#fusion-of-software-with-hardware">2.2. Fusion of Software with Hardware</a></li>
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# Sphinx build info version 1
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# Sphinx build info version 1
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# This file records the configuration used when building these files. When it is not found, a full rebuild will be done.
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# This file records the configuration used when building these files. When it is not found, a full rebuild will be done.
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config: d725fe0eaf62cd0cc82e71f548b78064
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config: 1584acc0da0952bbe91b77f110c060a0
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tags: 62a1e7829a13fc7881b6498c52484ec0
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tags: 62a1e7829a13fc7881b6498c52484ec0
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</a>
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</a>
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<ul>
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<ul>
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<li class="toctree-l3">
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<li class="toctree-l3">
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<a class="reference internal" href="#x-and-y-axis">
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<a class="reference internal" href="#reading-the-joystick-x-and-y-axis">
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2.1.1. x- and y- axis
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2.1.1. Reading the Joystick x- and y- axis
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</a>
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</a>
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</li>
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</li>
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<li class="toctree-l3">
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<li class="toctree-l3">
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<a class="reference internal" href="#direction-and-speed">
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<a class="reference internal" href="#controlling-the-direction-and-speed">
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2.1.2. Direction and Speed
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2.1.2. Controlling the Direction and Speed
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</a>
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</a>
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</li>
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</li>
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</ul>
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</ul>
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@@ -309,15 +309,16 @@ The Schematic and KiCAd PCB board are available on
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<p>
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<p>
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The GPIO numbers correspond to those on the ESP32-C3 WROOM microcontroller. The Pin number corresponds to the pin on the Breadboard and Power adapter development board.
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The GPIO numbers correspond to those on the ESP32-C3 WROOM microcontroller. The Pin number corresponds to the pin on the Breadboard and Power adapter development board.
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</p>
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</p>
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<section id="x-and-y-axis">
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<section id="reading-the-joystick-x-and-y-axis">
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<h4>
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<h4>
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x- and y- axis
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Reading the Joystick x- and y- axis
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<a class="headerlink" href="#x-and-y-axis" title="Link to this heading">
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<a class="headerlink" href="#reading-the-joystick-x-and-y-axis" title="Link to this heading">
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¶
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¶
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</a>
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</a>
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</h4>
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</h4>
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<p>
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<p>
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The
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To determine the position of the Joystick, the BitRider RC car uses ADC to measure voltage on two GPIOs connected to the joystic
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x- and y- axis potentionometers (
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<strong>
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<strong>
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GPIO0
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GPIO0
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</strong>
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</strong>
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<strong>
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<strong>
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GPIO1
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GPIO1
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</strong>
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</strong>
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assigned to measuring the voltage of x- and y- axis of the Joystick. Lastly, there is a group of GPIO pairs responsible for PWM for DC motors.
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).
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</p>
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</p>
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</section>
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</section>
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<section id="direction-and-speed">
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<section id="controlling-the-direction-and-speed">
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<h4>
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<h4>
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Direction and Speed
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Controlling the Direction and Speed
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<a class="headerlink" href="#direction-and-speed" title="Link to this heading">
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<a class="headerlink" href="#controlling-the-direction-and-speed" title="Link to this heading">
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¶
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¶
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</a>
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</a>
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</h4>
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</h4>
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