 | | Polaroid 6500 Sonar Problem
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| I'm having difficulty getting my sonar rangefinder to work properly. I've got a fully operational Handy Board with a fully operational Expansion Board plugged into it (both purchased assembled from Gleason and used extensively already without (...) (28 years ago, 9-Mar-99, to lugnet.robotics.handyboard)
| | | | | Sharp GP2D05?
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| hello anyone tried interfacing the Sharp GP2D05 sensors to the handyboard before? i'm thinking of buying some as i need a reliable and cheap digital(Yes/No) sensor. from what i can understand, there are 4 wires, Vin, Vcc, Gnd and Vout. the Vcc, Gnd (...) (28 years ago, 9-Mar-99, to lugnet.robotics.handyboard)
| | | | | Re: nonvolatile memory
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| (...) Try Dallas Semiconductor. Curt Mills, WE7U hacker.NO_*SPAM@tc.fluke.com Senior Methods Engineer/SysAdmin "Lotto: A tax on people who are bad at math." -- unknown "Windows: Microsoft's tax on computer illiterates." -- WE7U (28 years ago, 8-Mar-99, to lugnet.robotics.handyboard)
| | | | | Re: nonvolatile memory
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| (...) Actually the DS1225Y is a 8Kx8 NVRAM chip. The correct Dallas part for the HB is a DS1230. Another option is the Simtek EEPROM backed (no battery) chips. They have the same package as a standard RAM chip, whereas the higher profile Dallas (...) (28 years ago, 8-Mar-99, to lugnet.robotics.handyboard)
| | | | | Re: nonvolatile memory
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| You need to either 1. build a battery circuit that connects to the power pins of the memory chip or 2. Buy nonvolatile memory -phil (...) (28 years ago, 8-Mar-99, to lugnet.robotics.handyboard)
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