CyberMaster programmable brick : 17


Robotics / CyberMaster / 17	16 \| 18

Subject:	Re: Increasing the range of the radio signal
Newsgroups:	lugnet.robotics.cybermaster
Date:	Sat, 4 Dec 1999 08:05:44 GMT
Viewed:	6931 times

"Falk" == Falk Stricker <falk.stricker@gmx.de> writes: Falk> In lugnet.robotics.cybermaster, Johannes Keukelaar writes: > > http://www.lugnet.com/robotics/?n=8277&t=i&v=a Falk> I'm using accumulators (you called rechargable batteries) Falk> because a lot of toys are using mignon batteries Mignon batteries? Falk> and so I have about 20 rechargable batteries and a processor Falk> charger for loading these in a short time... The problem of Falk> this rechargable batteries is that this batteries have a voltage Falk> of about 1.25 V. Normal batteries have a voltage of 1.5 V. In Falk> the cybermaster are used 6 batteries (=> 6 x 1.5 V = 9 V). If I Falk> use rechargable batteries so the Voltage is very low (=> 6 x Falk> 1.25 V = 7.5 V). I have no problems in running downloadet Falk> programms but in connection to PC... If you read the thread I referenced before, you'll see that Anders Isaksson _specifically_ claimed success with 1.2V recharable batteries. I don't know if he tested the communication range, but only 2-3 meters of range seems rather obvious. Falk> Regards Falk> Falk Regards, Johannes. -- "God made the integers; all else is the work of man." -- Kronecker Visually inspecting visual programming languages.

Message has 2 Replies:

		Re: Increasing the range of the radio signal
Johannes Keukelaar skrev i meddelandet ... (...) We did some tests when the kit was new (almost a year ago now!), and we had communications working from first to second floor (old house, no cement or iron in the walls, just a brick chimney in the (...) (25 years ago, 4-Dec-99, to lugnet.robotics.cybermaster)

		Re: Increasing the range of the radio signal
(...) Mignon batteries are batteries of size R6 like used in CM. (...) You are right the nominal voltage of this recharable batteries is 1.2V but I tested the voltage of a just refreshed batterie under load and then the real voltage was about 1.25 (...) (25 years ago, 6-Dec-99, to lugnet.robotics.cybermaster)

Message is in Reply To:

		Re: Increasing the range of the radio signal
(...) I'm using accumulators (you called rechargable batteries) because a lot of toys are using mignon batteries and so I have about 20 rechargable batteries and a processor charger for loading these in a short time... The problem of this (...) (25 years ago, 3-Dec-99, to lugnet.robotics.cybermaster)

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