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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: Good Arduino IoT projects for a beginner? | 3 Relevance | 8 months ago | Admin | Arduino | |
| Start with these simple IoT projectsJust Type the project name in Google search.Tip: The best WAy to dive into IoT projects is to use an ESP32 board and program it using Arduino IDE. Smart Plant Monitoring SystemMonitor soil moisture, temperature, and humidity, and send data to the server in real time. Wi-Fi Controlled Home AutomationUse an Arduino and a relay module to control lights and fans via a web browser IoT Weather Station with DHT & BMP SensorsCreate a weather station that logs humidity, temperature, and pressure online using sensors li ... | |||||
| Answer to: How does a piezoelectric sensor generate voltage? | 3 Relevance | 12 months ago | Deboojit | Theoretical questions | |
| Piezoelectric sensors convert mechanical force into electrical energy. They work using the piezoelectric effect, which occurs in certain materials with a unique crystal structure. When you press, squeeze, or vibrate these materials, their internal charges shift, creating a voltage across the material. The amount of voltage they generate depends on several factors, including the amount of applied force, the Type of piezoelectric material used, and the sensor’s shape and thickness. If the vibrations match the material’s natural frequency, the voltage output can get a significant boost. Temperature also plays a role, as some materials are more stable than others. Additionally, how the sensor is connected to a circuit affects how much charge it stores and releases. That’s why these sensors are commonly found in devices like accelerometers, microphones, ultrasound equipment, and even energy-harvesting gadgets. | |||||
| Answer to: RAM VS ROM VS Flash memory in Microcontrollers like Arduino? | 3 Relevance | 1 year ago | Admin | Hardware/Schematic | |
| ... sketch, it gets stored here permanently. It's like the hard drive on your computer – it keeps the code even when you turn the power off. So, when you power your Arduino back on, it knows what to do because the code is safe and sound in the Flash. SRAM (like RAM on your computer): This is your Arduino's working memory. When your code runs, it uses SRAM to store variables, temporary values, and all the stuff it needs to keep track of while it's running. Think of it like your computer's RAM – it's super fast, but it's volatile. That means when you turn the po ... | |||||
| Answer to: How does a boost converter work? | 3 Relevance | 1 year ago | Mehjabeen | Theoretical questions | |
| A boost converter is a Type of DC-DC converter that increases voltage while reducing current to maintain energy balance. It operates using an inductor, a switch (transistor), a diode, and a capacitor. When the switch is closed, current flows through the inductor, storing energy in its magnetic field. When the switch opens, the inductor resists the sudden drop in current and releases its stored energy. This energy combines with the input voltage, resulting in a higher output voltage. The diode ensures current flows in the correct direction, and the capacitor smooths the output voltage for a stable supply. By rapidly switching on and off, the boost converter efficiently steps up the voltage. The extra voltage comes from the inductor’s stored energy, making it useful in applications like battery-powered devices, LED drivers, and power supplies where a higher voltage is required. | |||||
| Answer to: Zener Diode vs. Schottky Diode: What Are the Key Differences? | 3 Relevance | 1 year ago | LogicLab | Theoretical questions | |
| Zener diodes and Schottky diodes are designed for different purposes and have unique characteristics that suit specific applications in electronic circuits. Zener Diode Function: Primarily used for voltage regulation. Operates in reverse bias when the voltage exceeds a specific breakdown level, known as the Zener voltage. Construction: Made by heavily doping a p-n junction to create a stable breakdown region. Characteristics: Operates in reverse breakdown mode to maintain a constant output voltage despite current variations. More sensitive to temperature changes, which can affect the Zener voltage. Applications: Voltage regulation. Reference voltage sources. Over-voltage protection. Schottky Diode Function: Designed for fast switching and low forward voltage drop applications. Commonly used in high-speed and power efficiency circuits. Construction: Formed by creating a metal-semiconductor junction, typically with an n-type semiconductor. Characteristics: Low forward voltage drop (around 0.2–0.3V compared to 0.7V in silicon diodes). Faster switching capabilities. Lower reverse breakdown voltage, which limits its ability to handle high reverse voltages. Applications: Power supplies. RF circuits. Rectifiers in solar panels and high-frequency devices. | |||||
| Difference between 180° vs 360° servo motors and how to control them with Arduino | 3 Relevance | 2 years ago | Yvette | Hardware/Schematic | |
| Hi everyone, I'm working on a project that involves servo motors and I need some clarification on a few points. Specifically, I'm trying to understand the differences between 180-degree and 360-degree servo motors, and how to control each Type using an Arduino. Here are my questions: What are the key differences between 180-degree and 360-degree servo motors? I know 180-degree servos rotate within a 180-degree range, but how does a 360-degree servo differ in terms of functionality and applications?How do I control a 180-degree servo with an Arduino? I would appreciate a simple example code and explanation on how to connect and control a 180-degree servo motor using an Arduino.How do I control a 360-degree servo with an Arduino? Is there a different method or code required for controlling a 360-degree servo compared to a 180-degree servo? If so, could you provide an example? | |||||
| Answer to: Why #define is used in Arduino programming? | 3 Relevance | 2 years ago | Admin | Programming | |
| To put it simply, whenever the constant (SENSOR_PIN or LED_PIN) is called inside the program, the compiler replaces it with the defined constant value, i.e., A0 and 13, just like it does with global variables. But unlike a variable, it assigns the value to all instances of the constant before the code is even compiled. #define is a Type of preprocessor directive, meaning the compiler preprocesses it before compiling the code, thus taking up zero memory. The constant here is called the macro name (SENSOR_PIN or LED_PIN), and the value is called the macro value. The reasons it's a better approach than simply using variables are: They don't occupy any memory. They improve code readability. They can also be used with conditional directives (#ifdef, #ifndef, etc.) or functions to create code that behaves differently depending on certain conditions. Hope this helps. | |||||
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