SPJ Embedded Technologies Pvt. Ltd. Supplies Self Contained Micro Controller Modules. SPJ Embedded Technologies Pvt. Ltd. Manufactures software tools like C compilers to hardware products like single board computers. Self Contained Micro Controller Modules include some minimum necessary components surrounding the microcontroller chip. Self Contained Micro Controller Modules come in through-hole package, suitable for quick prototyping as well as production. These modules support 4 microcontrollers from the ADuC702x family, yet all 4 modules come in same size and shape and very similar connector pin out.