In case you need to hunt down robots for parts/blueprints or anything of the like in Automatron, I'm compiling a list of useful locations for all your scavenging needs. Mild location spoilers
Sentry bot | Fallout Wiki | Fandom
Fallout 4: How to unlock the most lethal and powerful sentry-bot follower
Fallout 4 - How To Get A Powerful Sentry Bot Follower! - Most LETHAL Robot Follower! (FO4) - YouTube
Sentry bot (Fallout 4) | Fallout Wiki | Fandom
Sentry bot (Fallout 4) | Fallout Wiki | Fandom
Fallout 4 Secret Sentry bot location - YouTube
Fallout Sentry Bot - Etsy Hong Kong
Fallout 4 Robots - ZBrushCentral
Fallout 4 Artist Brings Sentry Bot to Life – Pixologic : ZBrushLIVE