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| Target Environment | Locomotion Method |
| Indoors | 2 Wheels |
| Sensors / Input Devices | Actuators / Output Devices |
| Ultrasonic range finders IR proximity detectors LDRs for light sensing micro-switch bumpers battery voltage monitor |
LED to indicate program load DC Motor speed controller |
| Control Method | Power Source |
| Autonomous | Battery |
| CPU Type | Operating System |
| BASIC Stamp | None |
| Programming Lanuage | Weight |
| BASIC | N/A |
| Time to build | Cost to build |
| 60 hours over a 5 week period | N/A |
| URL for more information | |
| N/A | |
| Comments | |
| GS-1 is my first robot, an experimental platform. Next things to come are Ultrasonic Sensor, IR Sensors. I have built most things the way that I can easily exchange them. I used same sizes for circuits, plugs for connections etc. It pays! I am planning a new robot (GS-2) with an arm in front to grab objects and move them around. For this one to get operative I think I will have to experiment a lot with obstacle recognition by IR and US... I bumped into the robot business while visiting a privately organized robot contest in Niederhöchstadt (next to Frankfurt), Germany. I was so fascinated that I at once decided to build "such a thing". Information about this contest can be found at http://www.roboterwelt.de. Functions implemented so far: - Line tracing with crossings and backtracking at dead ends (4 LDRs beneath the chassis) - Search for light and go there (2 LDRs on top of vehicle) - Hear for whistle an i.e. stop (circuit with NE567) - Avoid obstacles by bumpers (micro switches) - Check for battery voltage (OpAmp as a comperator) - Program control onboard with LED and key (I don't have to load a different program for every function!) The size of the chassis is 20cm x 20cm. The wheels extend the chassis. The robot is driven by two dc motors whose speed can be regulated. The control is done by a Basic Stamp II. Power supply is given by 6 AA Cells NiCd 750mAh which will operate the robot for approximately one hour. All parts were purchased at an electronic shop or a hardware dealer. I have run into problems with US ranging. Still working on it. Transmitter circuit seems to beam directly into receiver. It took me maybe 60 hours in 5 weeks to build the robot. Luckily noone (especially me) really knows the costs! If you have any questions feel free to contact me by e-mail: gschwanz@yahoo.de | |
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