There are 4 repositories under avr-programming topic.
Homebrew AVR Toolchain
A set of various projects based on ESP8266, ESP32, ATtiny13, ATtiny85, ATtiny2313, ATmega8, ATmega328, ATmega32, STM32 and more.
AVR cheat sheet for the ATmega328p
My long cheatsheets and reading lists about programming, electronics and more
ATtiny13 Software UART library.
AVR high-voltage (HV) serial programming for ATtiny
Arduino driver for 4-bit controllerless graphics LCD
A USB AVR ISP programmer based on the ATtiny24A
AVR Library (Atmega48/88/168/328) to decode IR commands from a remote control in NEC format.
kalman-estimator - a Kalman estimator in C++
Atmega328p sample codes for USART (transmission and reception) communication with a Linux/Windows PC
Temperature control system using two ATMega32 microcontrollers
C++11/17/20 library for manipulating I/O port pins and I/O registers of AVR8
[ECE NTUA] Microprocessors Laboratory - Exercise Sets & Solutions (2020-2021)
Open source project to control light in the room, garage, street, house.
HID GamePad device based on AVR ATMega8 and V-USB framework
AVR Microcontroller Programming with Assembly
A repository for embedded systems learning portals
Program TQFP AVR's easily without soldering
AVR Atmega32 micro-controller's multiple peripheral and module software drivers implementation in C.
Apps and Drivers for ATmega32 microcontroller. This was made for educational purposes, and reporting any test results, comments, or bugs are welcomed.
ATmega128 experiments for Interrupt, PWM, LCD, USART, Sensor, etc. All Demo videos:
AVR Atmega32 micro-controller's multiple peripheral and module software drivers implementation in C.
Collection of C++11/17/20 libraries to program AVR8
A programmer for the AVR architecture microcontroller, specifically the ATTiny84A by Microchip, for the Raspberry Pi Pico.
A variant of the programmer USBAsp with the ability to program in parallel high-voltage mode.