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WIRELESS CONTROLLER. m. -VEHICLE. TO CARRY. WEBCAM. Done by : E. Nandakumar Done in : Electronic system division, BHEL, BANGANLORE. Xternal Guide : Mr.Joseph Ananda kumar sr.eng,boiler control dept.,
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WIRELESS CONTROLLER m -VEHICLE TO CARRY WEBCAM Done by : E. Nandakumar Done in : Electronic system division, BHEL, BANGANLORE. Xternal Guide : Mr.Joseph Ananda kumar sr.eng,boiler control dept., Internal Giude: Mr.s.ackvinos antony durai NANDHA
OBJECTIVE • REMOTE SENGING OF PROHIBITED AREA • EARTH QUAKE. • MINES. • DEMO FOR UNMANNED VEHICLE. NANDHA
INTRODUCTION • PREVIEW ON INACCESSIABLE AREA, SO THAT RESCUING OPERATION CAN BE PRECISELY. • TELE-VISUALIZED PREVIEW GUARDED UNGUARDED NANDHA
COMMANDER SECTION PC C P U TONE GENERATOR FM-TX NANDHA
COMMANDER SECTION D7 D6 D5 D4 D3 D2 D1 D0 * * * * * * * * * * * * * * * * * * * * * * * * * PC C P U TONE GENERATOR FM-TX NANDHA
COMMANDER SECTION +5v Tone generator 1 15 7 8 D7(C1) D6(C2) D5(C3) D4(C4) D3(R1) D2(R2) D1(R3) D0(R4) 3 3.5Mhz 4 1 2 3 A 5 4 5 6 B 9 PC C P U TONE GENERATOR FM-TX 7 8 9 C 14 16 13 * 0 # D 12 11 6 GND NANDHA
RECEIVER SECTION FM-RX TONE DECODER D R I V E R mc NANDHA
RECEIVER SECTION +5V 10 18 17 16 15 11 12 13 14 TONE DECODER .01mf 1 4 2 7 8 FM-RX TONE DECODER 300K STD D0 D1 D2 D3 D R I V E R mc 3.5Mhz 5 6 9 NANDHA
H/W PARTS • PC-llel PORT-DB25 PIN CONNECTOR. • DTMF TONE GENERTOR-5089. • DTMF TONE DECODER-MT8870. • MICRO CONTROLLER-ATMEL 89C51. • DRIVER ULN2803. • STEPPER MOTOR. S/W PARTS • “C” LANGUAGE. • ASSEMBLE LANGUAGE. NANDHA
S/w ‘c’ language START INITC IF C==DATA2 A NO RDKBDC=ASCII S IF C==DATA1 LEFT ROTETA VALUE OUTTED NO S A RIGHT ROTATE VALUE OUTTED NANDHA
S/w ASSEMBLE language START INITREG IF A==DATA2 A NO GET PORT3 S IF A==DATA1 MOTOR ROTATE LEFT NO S A MOTOR ROTATE RIGHT NANDHA
MECH IDEAS CAM MOTOR 4 MOTOR 3 MOTOR 2 MOTOR 1 FRONT WHEEL NANDHA BACK WHEEL
PCB Layout NANDHA
RESULT & DISCUSSION • Switch keying method. • This is one of the easiest way in llel • wireless comm. NANDHA