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IntroductionA relay module is the bridge between your Arduino’s low-voltage world (5V) and high-voltage appliances…
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IntroductionA relay module is the bridge between your Arduino’s low-voltage world (5V) and high-voltage appliances (230V AC).…
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IntroductionA relay module is the bridge between your Arduino’s low-voltage world (5V) and high-voltage appliances (230V AC). It uses an electromagnet to…
IntroductionThingSpeak is a free IoT analytics platform by MathWorks that lets you collect, visualize, and analyze sensor data from your microcontrollers. In…
IntroductionGoogle Firebase Realtime Database is a cloud-hosted NoSQL database that syncs data in real time across all clients. Paired with the ESP32,…
IntroductionServo motors are essential for robotics and automation. Unlike regular DC motors, a servo motor can be commanded to rotate to a…
IntroductionOTA (Over-The-Air) updates allow you to upload new firmware to your ESP32 over Wi-Fi, without physically connecting a USB cable. This is…
IntroductionA Light Dependent Resistor (LDR), also called a photoresistor, changes its resistance based on the amount of light hitting it. In bright…
IntroductionThe ESP32 has built-in Classic Bluetooth and Bluetooth Low Energy (BLE), making it incredibly versatile for wireless communication. In this tutorial, we…