purchase of mechatronics lab equipments for mech dept -2 microcontroller kit with stepper motor and drive circuit sets 3 b. 8085-processor: n- intel 8085a cpu @ 6.144 mhz clock speed. nmemory: n- ram : 8kb expandable to 32kb, jumper selectable. n- eprom: 8kb expandable to 32kb, jumper selectable. n- 3.0v lithium battery backup for ram nperipherals: nkeyboard and display: n- pc keyboard ( 105keys ) n- 16x2 alphanumeric dot matrix liquid crystal display with back light ntimer, parallel i / o, digital i / o, serial and bus expansion: n- 3 channel 16 bit counter / timer terminated in a 10 pin connector using 8253 n- 24 / 22 ttl i / o lines, terminated at 1 no of 26-pin frc connector by using 1 no of n8255 / 1 no 8155 respectively n- 8 no’s of digital inputs terminated and given through on board 8 way dip switch n- 8 no’s of digital outputs are terminated and displayed in the 8 no’s of smd type nleds n- digital i / o lines are terminated in 20-pin connector n- rs 232c compatible serial port terminated in a 9-pin d male connector / nusb to serial converter n- one vxt-bus ( 50-pin frc connector ) for interfacing vbmb series of experiment nboards for bus expansion. n ninterrupts : n- 5 no’s interrupts are terminated in a 5-pin connector nbuilt-in power supply n- input : 230v a.c. n- output : +5v / 3.5 a, +12v / 150ma n n 4 c. stepper motor controller with motor 5 d. traffic light interface 6 e. speed control of dc motor