My design notes for them:
Short Circuit
Death: The spell targets a single robot or other machine (up to 10'x10'x10' in size) and causes a critical short circuit, "killing" that robot or machine. It fries the robot's circuits beyond repair.
Target slain (85), 1 creature (x1), range 60' (x0.7), instantaneous (x1), saving throw avoids spell effect (x0.5), targets objects (x1.25), affects machines/robots only (x0.75), arcane (x1). Total 27.89, Arcane 3.
Magnetic Pulse
Death: This spell generates a magnetic pulse emanating from the caster, shorting the circuits of robots and other machines in the area.
Target slain (85), 4d8 HD of creatures within 30' diameter (x3), Range 0' (x0.4), instantaneous (x1). Saving throw avoids spell effect (x0.5), Arcane (x1), only targets robots/machines (x0.75), able to target object (x1.25). 47.81 points, Arcane 5.
Disable Machine
Temporarily scrambles a machine's or robot's circuits, disabling it.
Death: Target held helpless (15), 1 creature (x1), able to target object (x1.25), affects robots/machines only (x0.75), range 60' (x0.7), duration 1 round/level (x4), saving throw avoids spell effect (0.5), Arcane (x1). 19.69 points, Arcane 2.
Network Shutdown
Temporarily scrambles the circuits of multiple machines or robots.
Death: Target held helpless (15), 4d8 HD of creatures (x3), able to target object (x1.25), affects robots/machines only (x0.75), range 60' (x0.7), duration 1 round/level (x4), saving throw avoids spell effect (0.5), Arcane (x1). 59.07 points, Arcane 6.
Detect Technology
This spell detects technological systems, devices, or creatures.
Detection: Detect technology in range (10), targets all technology in range (x1), range 60' (x1), duration concentration (x1), no saving throw permitted (x1), arcane (x1). 10 points, Arcane 1.