Hi, I've been using a national 8 bit adc0831 adc to read voltages into my stamp 2, but am now trying to use the national adc12138 12bit 8 chan adc. I have...
4178
myoder9000@...
Sep 1, 2000 10:57 am
I have just started using the stamp's and I have noticed something. I have written software programs and have used simulators to run the programs while in the...
4179
Al Williams
alw@...
Sep 1, 2000 1:57 pm
We have a Stamp I simulator at http://www.al-williams.com/awce -- It also appears in my book Microcontroller Projects with Basic Stamps ...
4180
orthner@...
Sep 1, 2000 2:14 pm
... Can you replace the DC motor with a stepper? This would make very accurate positioning simple to do with a stamp. Then it's just a matter of saying "go 500...
4181
orthner@...
Sep 1, 2000 2:26 pm
... Thanks Ray, so it is a linear relationship. I was going to have the stamp read (ADC) the motor voltage and vary the 'time on' of the motor to get some...
4182
techno_masai
plunkettm@...
Sep 1, 2000 6:50 pm
Hi Duncan, Yep, that was interesting info from Ray. (Thanks Ray!) Thought I would mention a chip that I'm in the process of hooking up, its a DRV102 PWM...
4183
Thierry Vanmarcke
tvm@...
Sep 2, 2000 5:23 am
... The best option is probably the use of a dedicated chipset. Take a look at www.jrkerr.com , look under ic-products. They sell a chipset for this. You link...
4184
G. Shearer
g.shearer@...
Sep 2, 2000 6:19 am
Hi Duncan, I also think that a stepper would be good, considering the ball screw has very little drag which would cause a stepper to skip. That aside, one...
4185
G. Shearer
g.shearer@...
Sep 2, 2000 6:23 am
And you can do the same thing with a stamp. I am doing it now. Gary ... From: "Thierry Vanmarcke" <tvm@...> To: <basicstamps@egroups.com> Sent:...
4186
russell1@...
Sep 2, 2000 6:45 am
Hi I was wondering if someone can help me with comparing an actual IN4004 diode with the schematic of an IN4004 diode. I know the grey line determines a...
4187
Thierry Vanmarcke
tvm@...
Sep 2, 2000 7:04 am
The 'stripe' is the side that will 'block'. ... 'stripe' is at the right side of the diode in picture (Oh man, I really have to learn how to draw ascii ;-) )...
4188
orthner@...
Sep 2, 2000 11:18 am
... For driving a DC motor with an encoder an excellent dedicated chip is national's LM628/629. This thing is basically a motion control system on a chip. You...
4189
norman doty
normdoty@...
Sep 2, 2000 12:51 pm
if your going to use wire wrap, solder the to220's pins to the (t-44 or t-49) wire wrap pins, put them in the bread board and connection is easy. alternativly...
4190
Greg Lee Roth
greg_roth@...
Sep 2, 2000 1:34 pm
Stepper motor, DC motor with encoder, both can measure and postion. Why would someone choose one over the other? For a Stamp project it, seems one would be...
4191
orthner@...
Sep 2, 2000 2:26 pm
... The problem with most stepper based systems is that without an encoder, it's not a closed loop (no feedback). If the stepper stalls, your system has no...
4192
PASXALIS PASXALIDIS
pasxalidis@...
Sep 2, 2000 2:43 pm
hi, i plan to make a garage door for myself.Do you have any schematics or anything thaat you could send me? I also am a Stamp user. Pasxalidis Pasxalis ...
4193
dakota
rfriedrich@...
Sep 2, 2000 4:12 pm
I got mine talking to a bx-24 what is rmc mode ? thanks richard ... From: "Joseph Conner" <connjos@...> To: <basicstamps@egroups.com> ...
4194
Hendricks, Shawn
I.Work@...
Sep 2, 2000 5:41 pm
I ordered an optical switch from all electronics (www.allelectronic.com) catalog number: OSU-35 I thought it would come with some sort of data sheet but it...
4195
Robert Baxter
rbax@...
Sep 2, 2000 6:23 pm
You are right that one side is an LED, the other side is a phototransistor. To hook the device up to a stamp: 1) Attach the emitter (leg with the arrowhead) to...
4196
G. Shearer
g.shearer@...
Sep 3, 2000 1:44 am
I have a web site which may give some info and help on the subject of stepper motors. www.microcontrollertricks.cjb.net I hope the info is of some help. Gary ...
4197
Philippe Derenne
derennep@...
Sep 3, 2000 9:24 am
Hi, To save some 595s... and a lot of programming, you may use one 595 and two BCD to 7-segment decoder (like 7447). That way, you send 8 bits to the 595, and...
4198
Philippe Derenne
derennep@...
Sep 3, 2000 9:33 am
Hi, Does your printer work with other programs ? Phil. ... From: Adolph Stumpf <astumpf@...> To: <basicstamps@egroups.com> Sent: Thursday, August 31,...
4199
cnc002@...
Sep 3, 2000 2:38 pm
Greg: For starters the don't do the same thing. Steppers usually do NOT measure but simply take a pulse and direction command from a driver and go, no encoder...
4200
mcmgamer@...
Sep 3, 2000 4:13 pm
I am trying to wire a lighted rocker switch to my circuit but I do not know how. I have been unable to find any schematic diagrams on how the pins are wired...
4201
Adolph Stumpf
astumpf@...
Sep 3, 2000 4:17 pm
Phil, The printer works perfectly with all other programs. I contacted HP tech support and the answer was "If the stamp editor is the only program that causes...
4202
mcmgamer@...
Sep 3, 2000 4:20 pm
I know you can use the 74hc165 to receive an 8-bit number from up to 8 different high/low inputs. I wanted to know if you could also output with a 74hc165....
4203
jonwms@...
Sep 3, 2000 4:29 pm
In a message dated 9/3/00 11:21:36 AM Central Daylight Time, ... The x165 is a parallel-in, serial-out (to Stamp) shift register. This means you can use it...
4204
Philippe Derenne
derennep@...
Sep 3, 2000 9:29 pm
Hi Adolph, I use the 1.091 beta version of the Stamp editor, and I don't have any problem to print on a HP 880C. It seems strange to me that only the Stamp...
4205
Philippe Derenne
derennep@...
Sep 3, 2000 9:32 pm
Hi, Beware that the switch itself is maybe rated 100-125 V, but the light inside may support another voltage ! Since the switch has only 3 pins, there must be...
4206
David Burleson
dburlesn@...
Sep 3, 2000 11:17 pm
I know this really sucks but..... Open your programs with notepad and then print them. David ... From: "Philippe Derenne" <derennep@...> To:...
