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Wireless Remote Using 2.4 Ghz NRF24L01 : Simple Tutorial Using of NRF24L01 & Arduino
yeah i will update the instructables with cost of the components
abkhan17 I am not sure which country you are from. If you are from India you can easily get the sensor from amazon,flipkart or ebay e-commerce websites .
check in your regions local electronic shops or check if you have any e-commerce service available in your place
Guys I would like to give one hint by using separate 9v power supply to your Arduino and to your L293D motor driver you can actually increase the speed of your robot.
L293d IC is enough to run the motors. I have used L293d ready to use module to make it even more simpler and easy by avoiding breadboard connections.
SIMPLE LINE FOLLOWER ROBOT(single sensor)View Instructable »
yes you can use it .i have used the same L293D H-BRIDGE module in this instructable
Obstacle Avoiding Robot Using Arduino
Obstacle Avoiding Robot Using ArduinoView Instructable »
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