OverviewPulse Width Modulation (PWM) is a technique that changes the pulse width while keeping the waveform frequency constant. PWM is primarily used for controlling the brightness of LEDs, the speed ...

Using a Ball Tilt Sensor with ESP32IntroductionA ball tilt sensor is a simple but useful device that can detect the orientation or tilt of an object. It finds applications in various fields such as ro...

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DHT11 Temperature and Humidity SensorDHT11 can measure both temperature and humidity, it is a popular, cost-effective sensor. In this article we will discuss how to read temperature and humidity with ...

A LED Matrix Message Board with ESP32This project is an LED matrix message board based on the ESP32 microcontroller. It is capable of connecting to the network and displaying real-time news, weather, ...

The first and most importance step for us to use a MCU is know what the peripherals and IOs it provided.In this article, it will discuss the GPIO pin of ESP32 DevKit, we will know what it can do, and ...