The Circuit Board is a crafting ingredient in various technologies such as the Electric Cooler, Electric Kitchen, Mounted Missile Launcher and many more. And if you want to extract crude oil from oil fields, you will need the Crude Oil Extractor, which also requires a Circuit Board. Here are the crafting materials and how to unlock this item.
Palworld Circuit Board (4 WAYS) | Palworld How to Get Circuit Board
To make a Circuit Board, you will need Pure Quartz x4 and Polymer x2. If you are level 35, you can use the Technology of Production Assembly Lines to make this item.
Pure Quartz can be found in icy areas on the world map. Search around these locations to mine this material from nodes.
You can get it by defeating Jetragon and if you have enough currency (in this case gold), you can also buy high-quality Pal Oil from the Wandering Merchant in Duneshelter.