I just got the project page up for Wilf's Improved Pummer. You can see it here: http://akapplegarth.us/index.php?page=pummer-2 It is almost done. I am...
59755
Arno
arno_brosi
Nov 23, 2009 5:59 pm
It's great to see people building pummers(one of my favourite BEAM projects).I have never build one using this,improved,circuit though. Can somebody explain...
59756
jonjb2a
Nov 24, 2009 2:08 am
Just posted a pic of a light-powered vibrabot in my (Jonjb's) Photo album. The motor comes from a salvaged Xbox controller. I know the bot works from holding...
59757
keith.applegarth
keith.appleg...
Nov 24, 2009 3:13 am
I am thinking that it is a lot more effient. It seems to keep the battery charged even in our low light winter months here in Alaska. I got the box finished...
59758
jabmechtech
Nov 24, 2009 5:47 am
as always,, very nice work,, like your website, very well thougth out and full of usable info.. jabmechtech...
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keith.applegarth
keith.appleg...
Nov 26, 2009 6:15 am
I finished another pummer based on Wilf's Improved Pummer schematic. I actually recycled an earlier pummer and used the newer schematic. Check it out: ...
59760
Steve Reigh
pennstate741
Nov 26, 2009 6:42 am
Beautiful Pummer! That site shows some pretty good notes on the building of the pummer! Please post stuff like that on the beambotforums.com member bots...
59761
Arno
arno_brosi
Nov 26, 2009 5:42 pm
Looking very nice and good use of the battery as the base. Is it a bit crooked or is it just the way the photo is taken? regards,Arno...
59762
Keith Applegarth
keith.appleg...
Nov 26, 2009 9:24 pm
The battery isn't crooked. It is my poor photo skills showing! I only took me about two hours start to finish. Mainly because I knew how I wanted it to look...
59763
Chris McGuire
cmcguire79
Nov 27, 2009 5:05 am
Hello all! I got a couple little solar cells- Open circuit voltage- .55vdc in the sun, Vmax 0.484V, Imax: 0.25-.0275 amps. Anyone have a good idea for these...
59764
Steve Reigh
pennstate741
Nov 27, 2009 5:20 am
I vote you make a 2DOF Head, those are really cool. That will probably be my next mission. Post about it on the beambotforums.com General BEAM Chat section,...
59765
Arno
arno_brosi
Nov 27, 2009 5:08 pm
Hello, A pummer,Symet,Solaroller or Magbot pendulum,plenty that you can do with these. regards,Arno...
59766
jabmechtech
Nov 28, 2009 5:28 am
NICE work... any advice on soldering leads to the cellphone batteries??? I have several, in a box differant brands.. and really want to use them,, And I have...
59767
Keith Applegarth
keith.appleg...
Nov 28, 2009 6:15 am
Soldering cellphone batteries: Must use flux and a very hot iron and do it fast. Have everything tinned first. Pummers: pretty easy and a fun project. The...
59768
m3lt79
Nov 30, 2009 1:03 am
This is probably a very basic thing I have missed but I need to ask. If I have a solar panel putting out 9v and I want it to trigger a transistor at a certain...
59769
jonjb2a
Nov 30, 2009 3:40 am
With three toothbrush heads and a cellphone pager motor, xbox controller motor or motor with a weight on the shaft (such as a paper clip, rubber faucet washer...
59770
jonjb2a
Nov 30, 2009 3:47 am
Can you have a pummer with two LED or Phototransistor "eyes" like a bicore headbot or does one such sensor serve the purpose? Or two LEDs (phototransistors or...
59771
Keith Applegarth
keith.appleg...
Nov 30, 2009 4:28 am
The sensor in Wilf's Improved Pummer is the solar cell. If you cover the solar cell or it gets dark, it starts pumming. As far as connecting the battery, the +...
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Chris McGuire
cmcguire79
Nov 30, 2009 4:30 am
Excellent ideas, gentleman.. I can probably pull off something smart and nice looking with it all... Anyone have anything else? What's the consensus on the...
59773
Keith Applegarth
keith.appleg...
Nov 30, 2009 5:36 am
One of my favorite repositories of schematics is: http://costaricabeam.solarbotics.net/Circuits_Main.htm He has lots to choose from... enjoy ... -- Keith...
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jonjb2a
Nov 30, 2009 3:21 pm
Pin 9 this time for negative lead for battery, rather than Pin 10? Thanks....
59775
Arno
arno_brosi
Nov 30, 2009 5:21 pm
I think Keith meant pin 10(the last one on the left side),pin 9 goes to the capacitor -- ....
59776
Keith Applegarth
keith.appleg...
Dec 1, 2009 2:01 am
Correct... Pin 10 is the last pin on the Left hand side as looking at the IC from the top. ... -- Keith Applegarth Maker of Things www.akapplegarth.us...
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jodicalhon
Dec 1, 2009 11:14 am
Your cells have high current, but low voltage. Both cells in series would double the voltage, but it's still only around 1 volt. You'll probably have to do...
59778
linuxratz
Dec 3, 2009 4:07 pm
Hi folks, I read some of the archived posts, and this is a really helpful beambot group. I am trying to find and purchase a few of the obsolete Panasonic...
59779
jonjb2a
Dec 3, 2009 11:46 pm
there we go. thanks....
59780
Amit
praetorious
Dec 6, 2009 2:06 am
Hey all, Is there a simple way to covert the output of an Nv to a sine wave? So far I've been using 2 op-amp integrators, but am looking for something...
59781
jing.alcantara
Dec 7, 2009 12:07 pm
Hi folks, it's been a while. First, i would like to greet the MAN who got me started with BEAM, Wilf Rigter, Happy Wilf day, Wilf;). To honor the occasion, i...
59783
beamernj
Dec 7, 2009 1:17 pm
hi all!! i would like to create a bot that turns its head to the direction where a sound is created;similar to the one that was explained in the message...
59784
psyclesam
Dec 7, 2009 1:24 pm
It is on my archive... http://ccgi.robot.plus.com/beam.php?msg=32729 Neil...