PC based notice board is a low cost electronic notice board which can be controlled directly via personal computer HyperTerminal. The system consists of an 8051 microcontroller and a liquid crystal display. The board is equipped with a max232 level converter which is used to convert rs232 standard to ttl standard. Simply the system operates in the following way. The computer terminal is connected to the system via a DB9 cable which is a standard rs232 interfacing cable. When we type data at the terminal software of PC it transmitted to the system serially via rs232 protocol. The max232 ic placed in the board convers the data to ttl standard and it is received via 8051 serial communication module. The received data is then displayed on a 16×2 LCD. If enter key is pressed the lcd display line changes and when one line is full it shift to other line.