Hi Dave, Suggest you consider using solid state relay driven by Basic Stamp. Believe you have arcing problems which are welding the contacts shut (closed)....
9086
Christopher_Hill@...
Mar 1, 2001 2:04 pm
HI I'm attempting to put together an OEM BS2 downloaded from the Parallax site I'm having trouble getting hold of the MN13811 There seems to be no UK...
9087
david cousins
cuz_hsv@...
Mar 1, 2001 2:18 pm
Need some help with a Mosfet. I'm preparing to enter a fire fighting contest using my Board of Education. The Bot rolls navigates the rooms just fine, but I...
9088
Christopher_Hill@...
Mar 1, 2001 2:22 pm
Hi I'm looking for the cheapest way of sending temperature readings from rooms all around my house to control my zonal central heating system. I'm looking for...
9089
jonwms@...
Mar 1, 2001 2:27 pm
In a message dated 3/1/01 8:23:48 AM Central Standard Time, ... Wireless is going to drive up your cost-per-sensor and is not without its problems. What about...
9090
Paul Verhage
pverhage@...
Mar 1, 2001 2:29 pm
Is the Basic Stamp experiencing a brownout? If the voltage supply is dropping too low, the Basic Stamp will reset itself. Perhaps when the motor runs, it is...
9091
Christopher_Hill@...
Mar 1, 2001 2:36 pm
Wiring is the problem hense wireless requirement. Cheers Chris ... related ... converted to ... that ... Room ... without its ... sensor. Dallas ... control...
9092
cuz_hsv@...
Mar 1, 2001 2:42 pm
Yes, I would say it is browning out. I didn't add that info in the first post because I didn't think it was important. Keep in mind that the BOE powers the...
9093
M. D. Miller
mdmiller2@...
Mar 1, 2001 3:10 pm
So ... the next question is where to find these specs? I know you can find specs. from many manufacturers, but where do I go to find specs on a ...
9094
Al Williams
alw@...
Mar 1, 2001 3:25 pm
Nearly all of the major guys make JEDEC parts and will have data sheets for them (that 2N2222 is a JEDEC number which stands for something, but I don't know...
9095
Paul Verhage
pverhage@...
Mar 1, 2001 4:18 pm
... If it's a brownout, it doesn't hurt the BS2. But it will continually restart the program. Use a seperate battery for the BS2, or add a 3300uF cap between...
9096
Ken Gracey
kgracey@...
Mar 1, 2001 4:19 pm
Dear Charlie, Yes, in fact, I think one of your New Zealand counterparts is doing this in Dunedin. Check with Terry Morris at ...
9097
Matt Johnson
matt@...
Mar 1, 2001 4:25 pm
I am trying to make a miniture airvalve (for use with a 2 inch pneumatic cylinder) that can be open and closed incrementally allowing for better control of the...
9098
Rodent
daweasel@...
Mar 1, 2001 4:37 pm
Solenoid with a ratchet assembly attached to a ball valve. The solenoid opens the valve a little more on each stroke. Or, use multiple valves with different...
9099
Rob Weinstock
weinstro@...
Mar 1, 2001 4:40 pm
... I've seen relay contacts weld shut when they try to interrupt more current than they are rated for. DC interruption is harder than with AC current. You ...
9100
Rodent
daweasel@...
Mar 1, 2001 4:46 pm
I just happened to remember, several companies sell a dual fluid valve for fuel equipment that would net you three different flow rates from two valves. Don't...
9101
M. D. Miller
mdmiller2@...
Mar 1, 2001 4:53 pm
... I'll plan on finishing up my recently-purchased copy of The Art of Electronics to get these details (when I need them). Thanks for all your help, Al. --...
9102
Production Technology...
fixemerd@...
Mar 1, 2001 4:56 pm
Matt, Check out a company called "proportional air" www.proportionair.com will get back to you later with more companies. David Fixemer I am trying to make a...
9103
Larry G. Nelson Sr.
nr@...
Mar 1, 2001 4:59 pm
The transistors are probably ok but just didn't have enough base drive to give you enough current to drive the relay. Try changing the resistor first and it...
9104
Beau Schwabe
bschwabe@...
Mar 1, 2001 5:18 pm
... Are you sure your transistor is ok, and didn't (or doesn't) get zapped under the load of the relay? Try removing the transistor and place a switch in its...
9105
Matt Johnson
matt@...
Mar 1, 2001 5:20 pm
Wouldnt you still need to have something driving the rachet assembly (like a servo or something). I have played with a solenoid but it is either on or off,...
9106
Production Technology...
fixemerd@...
Mar 1, 2001 5:25 pm
also wilkerson @ www.wilkersoncorp.com go under the "whats new" read the third paragraph down "In addition . . . " also look at the picture at the bottom of...
9107
Rodent
daweasel@...
Mar 1, 2001 5:30 pm
Think about one of those old time car bumper jacks. You raised the car one click at a time. Same theory here. The solenoid stroke and ratchet arm determines...
9108
charlieb83@...
Mar 1, 2001 5:31 pm
Hi everyone. I'm using a BS2 with a ds1302 time chip. In the example from parallax's web site it states that this chip can be powered with a cap to retain its...
9109
Tracy Allen
tracy@...
Mar 1, 2001 5:32 pm
... .. ... Hi Gene, Here is an alternative program for checking all the doors, that runs faster by using the NCD operator for all the branching. This one can ...
9110
Rodent
daweasel@...
Mar 1, 2001 5:40 pm
Usually a clock chip will revert back to a specific date / time if it loses power. Might try finding out what this is and check it when your program starts. On...
9111
martin@...
Mar 1, 2001 6:06 pm
When ever I download to the Stamp with the editor with the DEBUG command in the code, the editor (stampw.exe) locks up right after the Debug window pops up,...
9112
jonm@...
Mar 1, 2001 6:10 pm
... the ... when ... I'm glad it's not just me, I'm running NT4 and have exactly the same thing, Annoying isn't it! JUST REMEMBER TO SAVE BEFORE RUNNING.... ...
9113
Rus Hardy
rushardy@...
Mar 1, 2001 6:12 pm
... Matt, Finally something on the list I can say something about! IF your final goal to control the speed at which the pneumatic cylinder extends and returns,...
9114
Harrison, JP
jpharrison@...
Mar 1, 2001 6:18 pm
Has anyone used a sound card system to record microphone input? What I'd like to do is to get a sound wave into the Stamp and do some analysis of the wave, but...
