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137 lines
6.4 KiB
HTML
137 lines
6.4 KiB
HTML
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<meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>1. OVERVIEW — Byte Rider 06-2025 documentation</title>
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<section id="overview">
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<h1><span class="section-number">1. </span>OVERVIEW<a class="headerlink" href="#overview" title="Link to this heading">¶</a></h1>
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<p>At the heart of this project is a customizable remote-controlled car that responds to real-time control inputs, capable of handling speed adjustments,
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directional changes, and even extended features like lights or sensors. The foundational setup uses ESP-NOW for transmitter and receiver devices,
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allowing you to wirelessly guide the car’s behaviour. While the design and physical appearance of the RC car can vary wildly depending on your
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creativity and available hardware, the control system remains elegantly efficient. To facilitate wireless communication between devices, the system employs
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ESP-NOW , which is a lightweight and connection-free protocol ideal for fast, low-latency data transmission between ESP32 microcontrollers. Though ESP-NOW is used under
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the hood, the spotlight remains on the RC car itself.</p>
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<p>An ESP-NOW-based remote controller sends control data wirelessly using the ESP-NOW protocol to the remote-controlled car. ESP-NOW enables fast and
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efficient communication between ESP32 devices without the need for a Wi-Fi router, network, or pairing. The provided tutorial demonstrates a functional
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setup where a transmitter sends data to a receiver to define the car’s speed and direction, forming the core communication loop. While the baseline
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implementation focuses on movement, additional features like lights, sensors, or telemetry can easily be integrated by expanding the source code. This
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modular design gives users the freedom to customize both the appearance and behaviour of their RC car, resulting in endless creative possibilities.</p>
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<section id="abstract">
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<h2><span class="section-number">1.1. </span>ABSTRACT<a class="headerlink" href="#abstract" title="Link to this heading">¶</a></h2>
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<p>To enable real-time remote operation of the RC car, the system translates joystick x- and y- axis inputs into PWM (Pulse Width Modulation) signals that control the DC motors.
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These PWM values are stored in a predefined data structure, which is then transmitted wirelessly using ESP-NOW — a low-latency, connectionless
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communication protocol developed by Espressif. Both the transmitter and receiver modules are based on ESP32-C3 microcontrollers.</p>
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<p>On the transmitter side, the joystick’s X and Y coordinates are continuously monitored and converted into PWM parameters. These values are packed into the
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data structure and sent via ESP-NOW to the receiver.</p>
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<p>The receiver module listens for incoming ESP-NOW packets, extracts the PWM control data, and applies it directly to the DC motors. This communication flow
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allows the RC car to respond instantly to user input, managing speed and direction without any physical connection between the devices.</p>
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</section>
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</section>
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<div class="sphinxsidebar" role="navigation" aria-label="Main">
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<h1 class="logo"><a href="index.html">Byte Rider</a></h1>
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<script>document.getElementById('searchbox').style.display = "block"</script><h3>Navigation</h3>
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<ul class="current">
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<li class="toctree-l1 current"><a class="current reference internal" href="#">1. OVERVIEW</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#abstract">1.1. ABSTRACT</a></li>
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</ul>
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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></li>
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<li class="toctree-l1"><a class="reference internal" href="data.html">3. DATA STRUCTS</a></li>
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<li class="toctree-l1"><a class="reference internal" href="transmitter.html">4. TRANSMITTER</a></li>
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<li class="toctree-l1"><a class="reference internal" href="receiver.html">5. RECEIVER</a></li>
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<li class="toctree-l1"><a class="reference internal" href="progress.html">6. WORK-IN-PROGRESS WALK THROUGH</a></li>
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<li class="toctree-l1"><a class="reference internal" href="references.html">7. REFERENCES</a></li>
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</ul>
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<div class="relations">
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<h3>Related Topics</h3>
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<ul>
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<li><a href="index.html">Documentation overview</a><ul>
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<li>Previous: <a href="index.html" title="previous chapter">ByteRider documentation</a></li>
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<li>Next: <a href="overview.html" title="next chapter"><span class="section-number">2. </span>HOW DOES IT WORK?</a></li>
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</ul></li>
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</ul>
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©2025, Alexander B.
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