 | | Re: Serial interface/ RF data link
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To properly comunicate with any PC you need to convert your TTL TX and TTL RX signals coming from the Handy Board to RS232 voltage levels. The charging board contains this interface IC called the "MAX232" The power wire is required unless you are (...) (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | Help with overcharged batteries
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Last night we discovered that we had left our Handyboard on ZAP when we thought we had left it to trickle. It was left at this condition for about 6 hours. This morning the motors are running very sluggish. Are our Handyboard or its batteries (...) (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | Serial Interface/ RF data link
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Sorry, the kit is from LINX Technologies (not LYNX) <A HREF="(URL)Linx Technologies -- Products</A> (URL) (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | Serial interface/ RF data link
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Let's say I want to use a serial interface board without the "charger", as the one provided with the Handyboard kit. The Tx and Rx lines are obviously required, but what about the ground and power lines?... Speaking of "easy to interface" data link (...) (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | RE: expand memory HB
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I'm running IC 3.2 and am curious why this fails : #define HOURS 10.0 /* hours of logging */ #define INTERVAL 5.0 /* minutes between samples */ #define SAMPLES ( (60/INTERVAL)*HOURS + 1 ) float battery_voltage[ SAMPLES ]; the message on download is (...) (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | expand memory HB
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Hi. I have a question, i want to build a Datalogger with my Handyboard. How can i simply expand the data memory, i need at least 128Kbytes of memory. Thank. Federico Santello E-mail:fedsante@tin.it (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | Re: start_process() questions
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(...) Yes. The subroutine acts just like any other function that you call. (...) Once you do a start_process, that subroutine will run indepently and concurrently with your main program. It does not "run out of time"... it will continue to run until (...) (26 years ago, 8-Dec-98, to lugnet.robotics.handyboard)
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| | Re: two way radio question and data link
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Details on Radio Data Modules as follows: I have called ABACOM Technologies --new phone # (416) 236 3858) and this is probably your best bet for voice or data use. Data & prices are from Circuit Cellar Ink magazine TRANSMITTER * 30 x 10 x 5mm * (...) (26 years ago, 7-Dec-98, to lugnet.robotics.handyboard)
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| | start_process() questions
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Hi, I'm using start_process() to run a set of processes. My questions() are: 1. does start_process() re-initailize all the called process's (local) variables every time it calls the process? 2. If the process does not complete before its alloted (...) (26 years ago, 7-Dec-98, to lugnet.robotics.handyboard)
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| | SPO 256
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F.Y.I. B.G. Micro no longer is selling the Text to speech IC "CTS256A-AL2" they only have the SPO256 IC in stock. This was confirmed by B.G. Micro on 12/07/98. According to a few people they still sold them as pairs as of 08/98 If anybody else is (...) (26 years ago, 7-Dec-98, to lugnet.robotics.handyboard)
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