’right angled’ doesn’t mean ’right angled’ doesn’t mean that the angle is pointing right…it means that the axle is at a right-angle (ie. 90 degrees) to the servo’s body.
Yeah, there’s no reason you Yeah, there’s no reason you couldn’t. However since this is your first bot, maybe you’d want to try the SRF05 or the PING))). They are both the same kind of sensor, but there has been a lot of documentation on both on a picaxe 28x, which is the board you’d use for the first bot (if you follow the tutorial)