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…
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…
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…
ESP32 Flash and Ram
ESP32’s Flash memory is an external SPI-based storage that serves multiple purposes: This external SPI-based storage IC is embedded within the ESP32 module and enclosed by a metal…
Bluetooth Classic Serial Server
Here’s a simple ESP32 Bluetooth Classic example that demonstrates how to set up an ESP32 as a Bluetooth Classic Serial Server. This example uses the Bluetooth Serial library…