Week 9 Wednesday -- MAE 412

• Sensors (magnetic proximity, optical proximity, optical interupter, mechanical)
• Actuators (dc gearmotor, solenoid, servo motor, electromagnet, mechanical)
• Mechanical Relay (bouncing demo)
• ASCII discussion and demo

For information about the Interrupt Service Routine read Chapter 5 on Communications by Gurion and Simon in Volume 1 of the On-line Text.

For information about the Bar-Code Reader, RR Signal Control, and Interlocking Control (Track Kill) read Chapter 6 on Block Management by Lecky and Fiderer in Volume 1 of On-line Text.

Read Chapter 2 of Volume 1 of the On-line Text ("Hornby Railways ...")

Document your working computer using ORCAD (see example on CIRCUITS page) -- Hand in next Tuesday (include 74LS244 buffer).

Read Chapter 3 of CST -- available on-line (go to BLACKBOARD => LIBRARY => e-reserves => authentication page => user:mae412 password:littman1).  Continue studying the 6502 instruction set.