Uploading code to Atmega328p using FTDI USB to TTL . Easy Way to programing . - YouTube
Programming the ATMega328P without Arduino board always returns the error: avrdude: stk500_recv(): programmer is not responding - Arduino Stack Exchange
Programming an ATmega328 with Arduino bootloader via a FTDI USB-serial adapter - Electrical Engineering Stack Exchange
Program Yabbas (AtMega328p) Over FTDI cable - disk91.com - the IoT blogdisk91.com – the IoT blog