Useful Wifi Code
Here’s an example of how to manually set up the ESP32 in STA (Station) mode, configure a static IP address, gateway, and DNS, and then print out all…
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Remote Infrared
Remote infrared (IR) works by transmitting invisible infrared light signals from a remote control to a receiving device, such as a TV, air conditioner, or home theater system….
Project – IR Receiver
the VS1838B is a common and widely-used infrared (IR) receiver module. It’s designed to receive and decode infrared signals from remote controls, making it ideal for projects involving…
Project – IR Sender
In the previous project, we learned how to capture signals from a remote controller. In this project, we’ll build our own remote controller to replicate the functionality of…
WiFi Manager
The WiFiManager library simplifies the process of connecting an ESP32 to Wi-Fi networks by creating a captive portal for the user to input the Wi-Fi credentials. This is…
PIR Motion Sensor
A PIR (Passive Infrared) sensor is an electronic device that detects motion by measuring infrared (IR) radiation emitted by objects in its field of view. It is like…
Project – Motion Detection
Overview In this project, we’ll build a PIR motion sensor system with an ESP32. When motion is detected, the LED will turn on. Since the ESP32 operates at…
BLE Overview
ESP32 Bluetooth BLE is perfect for devices that need to run on battery for long periods (months or even years). It’s great for sending small amounts of data,…
Bluetooth Overview
ESP32 has built-in Bluetooth capabilities, supporting both Bluetooth Classic (BT) and Bluetooth Low Energy (BLE). Although both are part of the Bluetooth standard, they are fundamentally different technologies…