Digital electronics 2

The repository contains AVR lab exercises for bachelor course Digital Electronics 2 at Brno University of Technology, Czechia.

Exercises

1. Git version-control system, AVR tools
2. Control of GPIO, LED, push button
3. User library for GPIO control
4. Interrupts, timers
5. Display devices, 7-segment display
6. Display devices, LCD display
7. ADC and UART serial communication
8. I2C/TWI serial communication
9. Combining C and assembly languages

C project

9.-13. General instructions

Materials

The following hardware and software components are mainly used in the lab.

Hardware

• ATmega328P 8-bit microcontroller: instruction set
• Arduino Uno board: schematic
• 24MHz 8-channel logic analyzer: software
• Multi-function shield with four LEDs, three push buttons, four seven-segment displays, and others: schematic
• LCD and keypad shield with LCD and five push buttons: schematic
• Analog joystick PS2
• I2C humidity and temperature sensor DHT12: data sheet
• I2C real time clock DS3231: data sheet
• HC-SR04 ultrasonic sensor
• Oscilloscope Keysight Technologies DSOX3034T (350 MHz, 4 analog channels), including 16 logic timing channels DSOXT3MSO and serial protocol triggering and decode options D3000BDLA
• ESP8266 Wi-Fi module: AT commands

Software

• Atmel Studio 7
• Visual Studio Code
• SimulIDE, real time electronic circuit simulator. With PIC, AVR and Arduino simulation.
• git
• Saleae logic analyser
• Doxygen

References

1. How to use AVR template on Linux
2. How to use AVR template on Windows
3. Peter Fleury, AVR-GCC libraries
4. Wykys, Tools for development of AVR microcontrollers