WiFi STA (Station) mode refers to the operating mode of a WiFi-enabled device, such as a microcontroller or IoT de...

The ESP32 Wi-Fi scan functionality allows you to detect and retrieve information about the available Wi-Fi network...

Overview When working with the ESP-01 module, you have two popular options for uploading code: the Arduino IDE and...

Overview Over-the-Air (OTA) programming allows for updating the ESP32 microcontroller wirelessly, eliminating the n...

After wiring the LCD, you will need to adjust the contrast by using the potentiometer located on the I2C module.

What is MQTT? MQTT is a lightweight open-source messaging network protocol that transports messages between device...

In MQTT , a persistent session refers to a feature that allows a subscribing client to maintain its session state ...

In practical applications, combining the Last Will and Testament (LWT) feature with retained messages can be a pow...

MQTT supports different levels of message delivery assurance. There are three QoS levels: QoS 0 (at most once), Qo...

Imagine an MQTT Server as the beating heart of the MQTT Publish/Subscribe protocol, tirelessly receiving messages ...

What is I2S? The I2S (Inter-Integrated Circuit Sound) protocol is a serial communication protocol commonly used for...

STATIC MEMORY Static memory persists throughout the entire life of the program, and is usually used to store thin...