If you don't have a 8051 development board you can test this program on EDSim51DI.
EDSim51DI.jar is free 8051 simulator for Teachers & students.
You can download this jar from http://www.edsim51.com/
Unfortunately the keypad program sample given by edsim51 does not work.
But t... EmbededASM
In computing, a keyboard is a typewriter-style device, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards becam... Linux programmingVerilog
to design a
simple, easy to install, microcontroller-based circuit to monitor and record the values of temperature, humidity, soil moisture and sunlight of the natural environment that are continuously modified and controlled in order optimize them to achieve maximum plant growth and yield. The con... WindowsC
codevision AVR using C language pt2272 the decoder. Currently the network code is basically similar to the use of 51 series microcontroller plus the completion of assembly language, portability are relatively poor.... SCMC++