consumables for ece lab consumables for ece lab , ic 7805 , ic 7912 , interface boards for 8051 microcontroller kit a..digital i / o interface board , interface boards for 8051 microcontroller kit b. seven segment led display withinterface , interface boards for 8051 microcontroller kit c. 8 bit dac interface board , interface boards for 8051 microcontroller kitd. stepper motor controlinterface board , interface boards for 8051 microcontroller kite. dc motorinterface board , interface boards for 8051 microcontroller kitf . atleast 10 switches with led , interface boards for 8051 microcontroller kitg. rs232 serial port cable , digital ammeter ( 0-500 microamp ) , digitalvoltmeter ( 0-50 v ) , analog multimeter , wall mounted speakers - 9 inch , 30 watt with suitable box , high performance speaker cable- 1sqmm – 100mts , wooden extension board ( 15a 3 pin socket &switch- 1 no, 5a 3 pin socket & switch – 4 nos with indicating lamp- length – 15 meters- , dual pa wirelessmicrophone , professional desk standing microphone – 15” , wireless collar microphone , wireless bluetoothheadphones with mike , cordless tabletop mike set ( 4 nos ) with receiver