SPJ Embedded Technologies Pvt. Ltd. Supplies Stimulator with 8051 Micro-controller. SPJ Embedded Technologies Pvt. Ltd. Manufactures software tools like C compilers to hardware products like single board computers. Stimulator with 8051 Micro-controller is used in program testing and debugging which can be done without target hardware or in-circuit emulator. Stimulator with 8051 Micro-controller stimulates some commonly used peripherals like LCD. It also support binary level debugging [with dis-assembled program view] which is also supported.