Narayani Nareshkumar
VIT University- Chennai
Overview What is a robot?
What are the essential parts of a robot?
Different types of robots
Colour sensor
Colour wheel
LDR
What is a Gate?
Integrating LDR , Gate and the colour wheel.
Uses
What is a Robot? A machine
Performs any human task
Operates automatically / by remote control
May / may not resemble a human
Follows a routine
What are the essential parts of a robot?A robot has these essential characteristics:
Sensing
Movement
Energy
Intelligence
Different types of robot Industrial robots
Domestic or household robots
Medical robots
Service robots
Military robots
Entertainment robots
Space robots
Hobby and competition robots
Colour sensors A circuit to detect 8 colours
Red , green, blue
Yellow, magenta, cyan
Black and white
Uses of colour sensor Sorting
Washing machineDyed clothes
Blood test
Farms- different fruits and vegetables-ripe and raw fruits- coffee beans/ cocoa beans segregation
The Colour Wheel
What is an LDR? Light dependent resistor
Resistance inversely proportional to light
A semiconductor material
Integrated with a colour filter.
Red, blue, green
What is a logic gate? building block of a digital circuit
Input - 1output
Not gate- 1-> 00-> 1
AND gate- 00->001->010->011->1
What is a logic gate? building block of a digital circuit
OR gate- 00->001->110->111->1
Integrating LDR, Logic Gates and the colour wheel
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