Non-comprehensive list of projects without detailed information.
I have also designed and implemented some systems relates to encryption and digital communication that I cannot disclose the details on this page. What I can say is that they are used in the North American government.
Elevator system using TTL chips and a stepper motor.
Elevator system using a microcontroller and a stepper motor.
Two MIPS style CPUs are designed and implemented on a FPGA boards. Simulators and assemblers are also created.