File I/O System Calls: fcntl() for File Control
Learn to control file descriptor properties in embedded Linux using the fcntl() system call. Master non-blocking I/O on the Raspberry Pi 5.
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Serial Communication
RS-422 Full-Duplex Communication
Implement RS-422 full-duplex serial communication with ESP32 for point-to-point or multi-drop industrial applications requiring higher data rates.
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RS-485 Interface Implementation
Interface ESP32 with RS-485 transceivers for robust, long-distance serial communication in noisy industrial environments. Handle half-duplex.
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Modbus RTU Protocol Introduction
Learn Modbus RTU basics for ESP32. Understand serial communication, master-slave architecture, and data models for industrial devices.
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UART DMA Mode for ESP32
Use DMA with the ESP32 UART controller for efficient background serial data transmission and reception, freeing up the CPU for other tasks.
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SPI Interface Implementation with ESP-IDF
Learn to configure and use the Serial Peripheral Interface (SPI) on ESP32 for high-speed communication with peripherals like displays, SD cards, and sensors.
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I2C Bus Configuration and Communication
Learn to configure and use the I2C (Inter-Integrated Circuit) communication protocol on ESP32 to interface with sensors and peripheral ICs.
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