🧠 What is L298N?
The L298N is a dual H-bridge motor driver module that lets you control the direction and speed of two DC motors independently, or one stepper …
📡 What is the HC-SR04?
The HC-SR04 is an ultrasonic distance sensor that measures the distance to objects using high-frequency sound waves (ultrasound). Think of it as a bat-like echo …
🤖 TOP 5 Modules for Arduino Robots
1️⃣ PCA9685 – 16-Channel PWM Driver Why it rocks:Controls up to 16 servos or LEDs with just 2 I2C wires.Perfect for walking robots, robotic arms, …
SN74HC595: 8-Bit Shift Register Explained
The SN74HC595 is an 8-bit serial-in, parallel-out shift register with a storage register and tri-state outputs. It is widely used for expanding the number of …
LM393: Dual Comparator Explained
The LM393 is a dual voltage comparator that is widely used in sensor circuits, voltage monitoring, signal processing, and microcontroller-based applications. It allows you to …
DRV8825: High-Performance Stepper Motor Driver Explained
The DRV8825 is a high-power stepper motor driver module widely used in 3D printers, CNC machines, and robotics. It provides precise control over stepper motors …
PCA9685 – The Ultimate Servo & PWM Controller! 🎛️🤖
The PCA9685 is a 16-channel PWM driver that lets you control multiple servos, LEDs, or motors using only 2 wires (I2C). It’s perfect for robotics, …
🔥 How DHT11’s Accuracy Affects Data Collection! 📊🌡️💧
The DHT11 sensor has a listed accuracy of: This means that any reading you collect can vary within this range, affecting the reliability of your …
DHT22 (AM2302) – Advanced Temperature & Humidity Sensor 🔥
The DHT22, also known as AM2302, is an upgraded version of the DHT11 sensor, providing better accuracy, a wider range, and more reliability. It’s a …
Accuracy and DHT11
The DHT11 sensor is a basic temperature and humidity sensor, but its accuracy is relatively low compared to more advanced sensors like the DHT22 (AM2302) …