SPECIFICATIONS

 CPU: Philips 89V51RD2 Microcontroller with clock frequency@11.0592MHz.

 Four Seven Segment Displays

 16x2 LCD Display Interface

 Graphical LCD Interface

 EWSN Status LED’s 8 Nos.

 8 Channel ADC Interface

 DAC 0800 Interface

 LED Matrix Interface

 4x4 Matrix Keyboard Interface

 PS2 Keyboard Interface

 Traffic Light Interface

 Stepper Motor Controller interface with stepper motor

 Buzzer Interface

 PWM & Interrupt Interface

 Eight Data Switches

 LM35 Temperature Interface

 IR Interface

 Relay

 Opto

 Real Time Clock with battery backup

 At24C16 Serial EEPROM

 USB Interface

 RS-485 Interface

 RS-232 Interface using Rx/Tx of MCU for uploading/downloading

 On-chip Flash Program Memory with ISP and IAP capability

 ADC,DAC interfacing card Elevator Interfacing Card

 Temperature loop interface card