USB to Serial / TTL Adapter to Program ATmega328p (w/out DTR Pin!) : 5 Steps - Instructables
Usb <--> uart ttl - Tutorials - RobotShop Community
How to Uploading code to Atmega328p using FT232RL FTDI USB - YouTube
Programming an ATmega328 with Arduino bootloader via a FTDI USB-serial adapter - Electrical Engineering Stack Exchange
Programming an ATmega328 with Arduino bootloader via a FTDI USB-serial adapter - Electrical Engineering Stack Exchange
Pololu USB AVR Programmer v2.1
USB to Serial / TTL Adapter to Program ATmega328p (w/out DTR Pin!) : 5 Steps - Instructables
How to Burn Arduino Bootloader in ATmega328 IC and Program it using Arduino IDE
MICROCONTROLLER to PC Communication Via PL2303 (USB TO UART TTL) Converter - ATMega32 AVR
avr - I can't flash my new ATMega328p with PL2303 USB-TTL converter - Electrical Engineering Stack Exchange
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
Programming Arduino Mini Pro with FTDI USB-to-TTL serial converter - dejaWorks
Programming an ATmega328 with Arduino bootloader via a FTDI USB-serial adapter - Electrical Engineering Stack Exchange
Problem uploading to standalone ATMega328P by serial/usb - Avrdude, stk500, Bootloader issues - Arduino Forum