Upload Files to LittleFS
LittleFS is now integrated into Arduino ESP32 Core v2, making it easier to store files on the ESP32’s Flash memory. To upload files to LittleFS,…
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LittleFS
LittleFS (Little File System) is a lightweight file system designed for microcontrollers and embedded systems. It is an alternative to SPIFFS (SPI Flash File System)…
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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…
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Using Preferences
The API for Preferences is simple and easy to use. Here’s a breakdown of the typical operations: 1. Include the Preferences Library: 2. Create a…
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ESP32 Preferences
The ESP32 Preferences library provides a simple and efficient way to store key-value pairs in the ESP32’s non-volatile storage (NVS), making it ideal for saving…
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Volatile Memroy
The volatile keyword in C/C++ is used to inform the compiler that a particular variable can be changed at any time by something outside the…
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Timer Interrupt
Example: Using a Timer to Trigger an Interrupt Explanation: Key Points to Consider:
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External Interrupts
The ESP32 allows interrupts to be triggered on GPIO pins. The most common scenarios are when a pin changes state (either HIGH to LOW or…
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ESP32 Interrupts
An interrupt is a mechanism that allows a microcontroller like the ESP32 to pause the execution of the current program and execute a special function…