Arduino Pins: A Detailed Guide
Arduino boards come with various types of pins, each serving a different function. Understanding these pins is essential for working with sensors, motors, displays, and communication modules.
Category: Components
Electronic circuit components are the fundamental parts used to construct electronic circuits. These include passive components like resistors, capacitors, and inductors that store or dissipate energy, and active components such as transistors and integrated circuits that control the flow of electricity. Additional elements like diodes, switches, and connectors are also integral, each serving specific functions to control, direct, or regulate the circuit behavior in various electronic devices and systems.
Switching Transistors
A switching transistor is a transistor used as an electronic switch to control high-power loads with low-power signals. It operates in two states: Switching transistors …
🔧 Schematic: Connecting a Relay with an External Power Source and Arduino
1️⃣ Components Needed 2️⃣ Schematic Diagram Here’s how to wire these components: Details of Connections: Additional Components: 3️⃣ Code Snippet for Arduino To control the …
Blinking LED (Astable Mode).
🔹 How It Works: In astable mode, the NE555 continuously switches between HIGH and LOW states, generating a square wave signal. This makes the LED …
Capacitors in Power Supply Filtering
Capacitors play a crucial role in power supply filtering by stabilizing voltage, reducing noise, and improving power quality. Let’s break it down step by step. …
Here’s the WebSockets version for smooth, real-time motor control via Wi-Fi. 🚀
🔹 Why Use WebSockets? 📌 1️⃣ Arduino R4 WiFi Code This sets up a WebSocket server on port 81 to control:✅ SG90 servo motor✅ 28BYJ-48 …
How to Connect AMS1117-3.3V Voltage Regulator
The AMS1117-3.3V is a linear voltage regulator that converts 5V to 3.3V, commonly used to power low-voltage components like ESP8266, sensors, and microcontrollers. 1. AMS1117-3.3V …
USB Type-C Pinout and Wiring Guide
USB Type-C is a 24-pin reversible connector that supports power delivery, data transfer, and video output. Below is a pinout diagram and explanation of key …
🔧 Building a Siren with Two NE555 Timers
Using two NE555 timers—one for generating a low-frequency modulation signal and the other for producing an audible tone—you can create a siren circuit with a sweeping frequency effect. This project is an excellent way to explore the versatility of the NE555 and the principles of frequency modulation.
🔧 How to Build a Siren with NE555
By configuring the NE555 in astable mode and adding a variable resistor or modulation circuit, you can create a dynamic siren sound. This project is a great example of how versatile the NE555 timer is and is perfect for learning about timing circuits and sound generation.