Welcome to Mahesh Wankhede's Online tutorials. 

Despite it’s relatively old age, the 8051 is one of the most popular microcontrollers in use today. Many derivative microcontrollers have since been developed that are based on--and compatible with--the 8051. Thus, the ability to program an 8051 is an important skill for anyone who plans to develop products that will take advantage of microcontrollers.

The various chapters of the Tutorial  will explain How to Interface different circuits to 8051 like I/O Ports LED, Switch, Relay, ULN, RS232C Cell Phones, GPS receiver, 7-Seg. Display, LCD Display, ADC & DAC, Sensors, Stepper Motor, DTMF Decoder, Keyboard, External Memory with relevant theory, schematics and  sample codes  in Assembly language &  C language (SPJ). The chapters are targeted at people who are attempting to learn 8051 hardware and assembly language programming .

Finally I am not a experienced or professional guy in microcontrollers. ( It's my Dream and hope will come true soon) This is first edition of my  tutorials and although I have tried my best to put correct information,  I may be wrong somewhere . So please let me know if you find mistakes  or have  suggestions anywhere.

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