Hi Ryan, I just couldn't resist cooking up an example of a phototaxis following bot. The attached circuit has photobridge LDR1 mounted in front and LDR2 in the...
i am in america always was i was born here i wanna go to wcrg where exactly is it and when? i have only been to one robot competition before because i live in...
Jonathan Challinger
Jonathan@...
Apr 1, 2003 8:07 am
35131
I hear ya, I'm in Mississippi We got everything from Emu's (how do you make that plural?) to Miniture Ponies but No Robots and No Robot Compitetions :- ( DrewB...
where can i find something that doesn't conduct, is heat resistant (like soldering-iron-for-20-secs type heat resistant), and cuts easily with a knife. i cant...
Jonathan Challinger
Jonathan@...
Apr 1, 2003 8:47 am
35133
alternatively, someone could tell me where i can find conductive glue...
Jonathan Challinger
Jonathan@...
Apr 1, 2003 8:50 am
35134
i think clay would do i am not sure yet tho i'll have to get a big slab of clay...
Jonathan Challinger
Jonathan@...
Apr 1, 2003 8:51 am
35135
One of the regulars (Neil) uses that Blue contact putty to hold SMT parts to gather while he solders them (I think I remember reading that somewhere) You know...
... I use Play Dough when I am building symets. It is somewhat heat resistant. For example, if I am soldering a paperclip, and half of the paperclip is in the...
A new day has dawned and the 1chip P-vore Hunter is getting restless. The endless scratching of 1chippers yet to be captured, keeps him awake. The 74HC14...
Jonathan, ... Well, if you don't mind driving to San Francisco (MapQuest says it's only 90 miles), these folks seem to put on a big "do" every year (last one...
I am about ordering some FLED, but I have seen that there are 2 types: with or without internal resistor: which is the type that is commonly used in solar...
luciano bernardi
lbern1ps@...
Apr 1, 2003 2:34 pm
35141
... Hello Luciano, I have built the FLED Solar Engine using LEDs from Radio Shack and Solarbotics. I just checked their sites, and checked the packaging. I do...
Are you looking for some kind of construction material? If so, single sided copperclad PCB material of the phenolic type (the brownish variety) can be cut...
Sathe Dilip
sathe_dilip@...
Apr 1, 2003 2:55 pm
35143
One of the things I enjoy most about BEAM is wide diversity of interests and talents. Its great to get new points of view and learn new techniques and tricks. ...
i think i'm going to use the motors from a car that rolls up the windows, i've had a couple of those for a while now, and i'mve been itching to use them on...
hai, honestly the bot is pretty inefficient. lot of things to be worked upon. the battery drains quickly. i have not done a i have let it run, keeps getting...
hi i am not sure i can help u with where u can find Al metal coz i am in india. for info the metal is pretty strong and light also. i paid rs.150 ($1=Rs.50)...
real clay for making pottery should be able to withstand the soldering iron direct contact...
Jonathan Challinger
Jonathan@...
Apr 1, 2003 5:15 pm
35149
i am not sure of that. though the battery drains quickly i can attribute it to a lot of other things. i am looking for ways to find motor efficiency vishy ... ...
i am not in sacramento it takes me 3 hours to get to san francisco but i wouldn't mind that...
Jonathan Challinger
Jonathan@...
Apr 1, 2003 5:18 pm
35151
First let me caution you: if this device can cut grass, it can also cut your fingers off! Beam is about working with small safe designs that are unlikely to do...
Yes! What a marvelous idea. Maybe use a optical mouse for non-contacting measurements of wheel rotation. For a variable mechanical load, friction drive a...
http://groups.yahoo.com/group/beam/files/Chumlys%20Lil%20Buddy.mpg ... I picked up the Tamiya "Tracked Vehicle Chassis Kit" as a platform for a project my son...
Measure the current into each of the major parts of the bot. Compare this to the specifications for those parts. Is it much higher? Check the total current....
Morning! Just did a quick test of Wilf's circuit, works exactly as described but the delay can be upwards of 15 seconds. Depending on the speed of your motors ...
GrantM
listmail@...
Apr 1, 2003 5:33 pm
35156
be careful with those motors...they are extremely inefficient -jonathan...
Jonathan Challinger
Jonathan@...
Apr 1, 2003 5:36 pm
35157
... contacting measurements of wheel rotation. For a variable mechanical load, friction drive a second motor as a generator and use a rheostat on the...
Cliff, ... I'd agree with you on both counts -- handy and educational kits for kids, REALLY BAD motors (particularly for BEAM usage). I'll put test data for...