There are 2 repositories under atmega328p topic.
T12 Quick Heating Soldering Station
Driver for SSD1306, SSD1331, SSD1351, IL9163, ILI9341, ST7735, PCD8544, Nokia 5110 displays running on Arduino/ESP32/Linux (Rasperry) platforms
A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
Arduino (8-bit AVR) simulator, written in JavaScript and runs in the browser / Node.js
Driver for LCD displays running on Arduino/Avr/ESP32/Linux (including Rasperry) platforms
AVR (atmega328p) based floppy drive emulator for PC
AVR cheat sheet for the ATmega328p
Small version of the famous component tester from mikrocontroller.net
Example of using CC1101 module with Arduino Pro Micro ( ATMEGA32U4 ) for radio jamming
A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32 and ESP8266
MDB Cashless Device implementation based on Arduino Uno and GPRS Shield
DIY GPS GSM vehicle tracker based on SIM808 module and ATMEGA328P
Electronic load 2022
A music visualizer based on the ATMEGA328P-AU
This is simple GPS vehicle tracker base on SIMCOM SIM7000E/G/A module. Works for GSM/LTE-M networks around the globe
CoopCommand aims to increase automation in small scale egg-laying chicken flocks for the hobby farmer. Final product aims to have ease of installation and use for non-technical users.
Parallel EEPROM Programmer for 28C64B and 28C256
HomeMatic Funk-Komponenten im Eigenbau
AVR Library (Atmega48/88/168/328) to decode IR commands from a remote control in NEC format.
A variable frequency three phase PWM generation code for an AVR ATMEGA328P/-PU microcontroller
the cheapest GPS tracker / GPS locator based on AVR ATTINY2313/4313 or ATMEGA328 (ARDUINO) and SIM800L GSM module
Slow down the server fan speed whilst still allowing extra cooling when needed and shutdown in case of fan failure
A feature-rich reflow Hot-Plate firmware i.e. usable for "Tim's Hot Plate" (https://www.instructables.com/Tims-Hot-Plate/)
Atmega328p sample codes for USART (transmission and reception) communication with a Linux/Windows PC
Firmware for a trailing/leading edge MOSFET/BJT/TRIAC dimmer written in C++ including schematics/PCB-layouts
Flight controller for an autonomous quadcopter drone.