Rev. Dhammabodhi and Upasaka Dustin discuss the teachings on the 12 links of dependent origination in the first two discourses of the Nidanasamyutta of the Samyutta Nikaya
SN 12:1
https://suttacentral.net/sn12.1/en/sujato?lang=en&layout=plain&reference=none¬es=asterisk&highlight=false&script=latin
SN 12:2
https://suttacentral.net/sn12.2/en/sujato?lang=en&layout=plain&reference=none¬es=asterisk&highlight=false&script=latin