1. Power supply unit – It consist of 12v, 3A power supply battery. The
main function of this block is to provide necessary supply to all the circuit.
2. IR sensor unit – IR sensor unit consist
of IR transmitter and IR receiver. Whenever
the obstacle comes
in front ,the signal is transmitted
to transmitter and then
transmitter transmit the signal
to receiver and
then this signal
is given to
control unit.
3. Control Unit – control unit consist of
89c51 micro-controller IC. This is the main block of the robot. The
whole working of
the robot is
controlled and done
by this block.
4. Driver stage – Driving stage consist
of L298 IC and wheels. It has 4 input pins ,2
input pins are
connected 2 wheels and
another 2 are
connected to another
2 wheels. when we apply power
supply to this
stage, IC will get activated and wheels
will start rotating.
5. Motor –Motor consist of dc motor, which
are connected with wheel. The main function of this block is to drive the
wheels.
6. Control
valve – control valve consist
of pneumatic valve, which
is controlled by
control unit. The function of this
block is to paint the wall. The
pressure which is
going to be
apply is controlled
by controller.
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