How to run an Arduino ATmega328P on a Breadboard and How to Program it using a USB to Serial Adapter

Programming an ATMega328 with Arduino bootloader via a FTDI USB-serial adapter

From Arduino to a Microcontroller on a Breadboard

Programming with USB-Serial Converters - Tutorial Australia

bootloader on atmega328p-pu, USB FTDI Bitbang - Microcontrollers - Arduino Forum

atmega328 Electronics & Arduino

Build Your Own Arduino Breadboard

ATMEGA328P with Arduino IDE: Serial communication doesn't work in combination with delay()-function

An ATmega4809 Breadboard Arduino

Homemade Arduino Part 1: Programming an Atmega328 on a Breadboard (Shallow Thoughts)

ATmega328 microcontroller with Optiboot (UNO) Bootloader. Rev3 shield compatible. Program with a USB Micro-B cable using the Arduino IDE platform

SparkFun RedBoard Qwiic ATMega328P compatible with Arduino board w/ Qwiic Connector and CH340C Serial-USB Converter IC Breadboardable R3 footprint

Programming the atmega 2560 with the Arduino IDE – kevinfundarek