atmega328 topic
FastAccelStepper
A high speed stepper library for Atmega 168/328p (nano), Atmega32u4, Atmega 2560, ESP32, ESP32S2, ESP32S3, ESP32C3 and Atmel SAM Due
MiniCore
Arduino hardware package for ATmega8, ATmega48, ATmega88, ATmega168, ATmega328 and ATmega328PB
Arduino_Pro_Mini_328
SparkFun's Arduino Pro Mini 328 is a bare bones super small Arduino compatible development board.
Arduino_Deep_Sleep
An example of proper and most advanced way to put ANY AVR Arduino boards in to sleep
rfboot
Atmega328 Bootloader for wireless (OTA) code updates, using the CC1101 RF chip.
nanoels
Electronic Lead Screw for metal lathe
ErriezMHZ19B
Erriez MH-Z19B and MH-Z19C CO2 sensor library for Arduino
rcCalibrator
Calibration of the internal RC oscillator of atmega328p chip, and UART bootloader(ATmegaBOOT) without crystal.
cc1101-jammer
Example of using CC1101 module with Arduino Pro Micro ( ATMEGA32U4 ) for radio jamming