 | | RE: Cheap air flow sensor
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The classic small air flow sensor is a hot-wire-anemometer. Just position a short piece of very fine wire in the airflow and normal to it, run a constant current thru it, and measure the voltage change due to the cooling effect of the airflow. Works (...) (28 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor
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Elektor had published a similar circuit for detecting air leaks. The heated transistor and another transistor acting as temp. sensor were glued together using heatsink compound. You had then to nullify/calibrate a meter at ambient temp. when the (...) (28 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Re: handyboard reset vector
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Hi Justin, I believe the previous mail indicates assembly the code rather. This would be the generating the "p code" of the handy board rather than the actual IC code. Regards, -Pandit ---...--- (...) using (...) (28 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor
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We have used model boat propellers on a ballbearing and on a brass bushing. Keep the bearing or bushing well lubricated for good sensitivity at low air volume (ie: low speed of the propeller). We used the propeller mounted in 1.5 inch and 2 inch PVC (...) (28 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | RE: Cheap air flow sensor
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Can someone forward the proper syntax to take me off of this listserv? Forward to massimj@usa.net Thanks Joe -----Original Message----- From: owner-robot-board@cm...l.navy.mil [mailto:owner-robot-...avy.mil]On Behalf Of Jonathan Swaby Sent: Monday, (...) (28 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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