arduino - Programming ATMEGA328P with an USB-UART adapter - Electrical Engineering Stack Exchange
avr - I can't flash my new ATMega328p with PL2303 USB-TTL converter - Electrical Engineering Stack Exchange
Problem uploading to standalone ATMega328P by serial/usb - Avrdude, stk500, Bootloader issues - Arduino Forum
How to Uploading code to Atmega328p using FT232RL FTDI USB - YouTube
DIYTechStudio: How to upload a sketch to Atmega328p using USB to TTL Module (CP2102) on a breadboard - Arduino Tutorials #10
Uploading code to Atmega328p using FTDI USB to TTL . Easy Way to programing . - YouTube
ATmega328P Wearable Development DIY Board + CH340 USB to TTL Programmer Module + 6 Pin Cable Compatible for Arduino|usb to|usb to ttlusb to ttl ch340g - AliExpress
ATMEGA328P PU with BOOTLOADER + DIP Socket & 16MHz crystal Kit|crystal calculator|socket ratchetcrystal tutorial - AliExpress
Arduino programming by USB to TTL converter - YouTube
Burning Arduino Bootloader on ATMega328 using USBasp Programmer - Electronics-Lab.com
How to upload sketches to ATmega328p chip using PL2303 USB To RS-232 Converter | Arduino, Electronic circuit projects, Electronic schematics
Introduction to ATmega328p Pinout, datasheet and specifications