We'll build on what we started in January and look at adding a sonar sensor to detect and avoid obstacles.
More details to follow.
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I plan on attending tonight. I've made some progress. When I plug in the last of the wires based on last month's wiring diagram, my Netduino lights up so I believe the circuit is complete. But without the software being installed (still getting the vague error when I attempt to open the solution even though I'm using VS 2010 Pro) it doesn't move around. Won't have the sonar sensor until April 1. I opted for a cheaper one and they are very slow on the delivery but based on the latest wiring diagram, attaching the sensor should be easy. See all tonight.
0 · March 18, 2014
Bring it tonight and we'll try and figure it out. I'll have a couple of extra sensors if you want to try and get the sensor working tonight.
Bring your vehicles from last month, sensors and questions. I'll have some extra parts if you need anything.
0 · March 17, 2014
Uploaded a new wiring diagram for connecting the HC-SR04 Distance Sensor and source code that includes the driver for the sensor. Have fun! http://fritzing.org/projects/netduino-autonomous-vehicle-with-sonar
0 · March 13, 2014
Fyi. I just found 4 of the sonar chips for a total of $0.04 plus like $4 shipping on amazon.
0 · February 18, 2014
Nice Price! Can you provide a link?
0 · February 19, 2014
The seller pulled it a few minutes after I placed the order... they said that they made a mistake with the price. Still, they were $1.50 each, so I can't complain too much.
Kevin also recommended getting a "HC-SR04 bracket" to easily mount the sensor to your vehicle.
0 · February 15, 2014
For Part II - Purchase the HC-SR04 Ultrasonic Distance Measuring Sensor. We'll use this to detect and maneuver around obstacles.
Search on Amazon or EBay for "HC-SR04", you should be able to pick one up for < $5.00.
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