 | | [Q] power supply for polaroid sonar
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In the Handyboard homepage under 6500 polaroid sonar libraries, there is a great illustration (BRAVO!) that depicts the connections from the HB to the module that operates the sonar itself. The power supply to the module (which should be around +5V) (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Re: [Q] power supply for polaroid sonar
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I haven't seen the schematic you're refering to but I believe you can use the +5V bus already on a standard HB. Just connect your PWR/GND to one of those headers "below" one of the A/D inputs. I did this before and it worked. Apparrently, the 1A +5V (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Re: [Q] power supply for polaroid sonar
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(...) I haven't tried this on the HB; but I have with other processors. I had problems with the sonar ping resetting the processor at times, as well as digital noise on the power supply bus causing false echo returns at long distances (as the (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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