Comments for Mark's Electronics Blog http://www.mendingthings.com Microcontrollers, Electronics, Arduino, Electronic Hacks Sat, 28 Aug 2010 20:03:50 +0000 http://wordpress.org/?v=2.9.1 hourly 1 Comment on CNC Update 8: First Cut! Mach3 cutting Styrofoam by admin http://www.mendingthings.com/?p=165&cpage=1#comment-197 admin Sat, 28 Aug 2010 20:03:50 +0000 http://www.mendingthings.com/?p=165#comment-197 Yep, I have just been too busy to work with it lately. I am going to try to make some time soon and get some updates out. Thanks for asking. Yep, I have just been too busy to work with it lately. I am going to try to make some time soon and get some updates out. Thanks for asking.

]]> Comment on CNC Update 8: First Cut! Mach3 cutting Styrofoam by OpenEntries.org http://www.mendingthings.com/?p=165&cpage=1#comment-196 OpenEntries.org Sat, 28 Aug 2010 18:28:37 +0000 http://www.mendingthings.com/?p=165#comment-196 Is It Still working???))) Is It Still working???)))

]]> Comment on CNC Update 8: First Cut! Mach3 cutting Styrofoam by Nick http://www.mendingthings.com/?p=165&cpage=1#comment-195 Nick Sat, 28 Aug 2010 18:28:05 +0000 http://www.mendingthings.com/?p=165#comment-195 Is it still working ?:))) Is it still working ?:)))

]]> Comment on Arduino Duemilanove AC Load Shield by admin http://www.mendingthings.com/?p=5&cpage=1#comment-194 admin Wed, 25 Aug 2010 00:54:35 +0000 http://www.mendingthings.com/?p=5#comment-194 Sure, I emailed you from your web site. Sure, I emailed you from your web site.

]]> Comment on Arduino Duemilanove AC Load Shield by Andy Coulson http://www.mendingthings.com/?p=5&cpage=1#comment-193 Andy Coulson Tue, 24 Aug 2010 23:44:07 +0000 http://www.mendingthings.com/?p=5#comment-193 Hi Mark, got any of hose boards left that that you'd be interested in selling? I'd rather buy than build :-) Hi Mark, got any of hose boards left that that you’d be interested in selling? I’d rather buy than build :-)

]]> Comment on CNC Update 1 “We Have Motion!” by Ken E http://www.mendingthings.com/?p=68&cpage=1#comment-176 Ken E Wed, 21 Apr 2010 01:54:53 +0000 http://www.mendingthings.com/?p=68#comment-176 Mark, Thanks again. I could not have done it without your help and patience. I will now test it live this weekend and then put it to a proto and enclose it. My next project is 1 x 1hp 3 phase motor tied to a Koyo Click PLC. That should be exciting and another steep learning curve. Regards, Ken Mark,
Thanks again. I could not have done it without your help and patience. I will now test it live this weekend and then put it to a proto and enclose it. My next project is 1 x 1hp 3 phase motor tied to a Koyo Click PLC. That should be exciting and another steep learning curve.

Regards,
Ken

]]> Comment on CNC Update 1 “We Have Motion!” by admin http://www.mendingthings.com/?p=68&cpage=1#comment-175 admin Wed, 21 Apr 2010 01:46:39 +0000 http://www.mendingthings.com/?p=68#comment-175 Don't worry about the ED it will self protect from overheating. You can add a heat sink and fan if it makes you feel better though. I shorted out one of my ED boards and fried it and took out my buffer chips in my breakout board for my CNC. So now that you have your circuit working, protect it by building it on a proto board and mount it in a case to keep from repeating my mistake! That's OK I got mad and ordered some cool parts though :-) Glad to help and keep building! Don’t worry about the ED it will self protect from overheating. You can add a heat sink and fan if it makes you feel better though. I shorted out one of my ED boards and fried it and took out my buffer chips in my breakout board for my CNC. So now that you have your circuit working, protect it by building it on a proto board and mount it in a case to keep from repeating my mistake! That’s OK I got mad and ordered some cool parts though :-)
Glad to help and keep building!

]]> Comment on CNC Update 1 “We Have Motion!” by Ken E http://www.mendingthings.com/?p=68&cpage=1#comment-174 Ken E Wed, 21 Apr 2010 01:40:39 +0000 http://www.mendingthings.com/?p=68#comment-174 Mark, I changed the delay on steppin from 500 to 1000 and it now seems to work fine. 40 pushes of the switch to make the 1 RPM. I am a happy camper. I am still a little concerned about the temperature on the ED. Any ideas there. I am using a different stepper tonight from ALL Electronics. It is a Shenano Kenshi # STP 58D3004, 1.8 dgree, 1.2V and 2.5 Amps and .48 Ohms. I am supplying the ED with 5V and 2.5 Amps. I am supplying the Arduino with 7.5 V and 1 Amp Thanks for all your help. Ken Mark,
I changed the delay on steppin from 500 to 1000 and it now seems to work fine. 40 pushes of the switch to make the 1 RPM. I am a happy camper. I am still a little concerned about the temperature on the ED. Any ideas there. I am using a different stepper tonight from ALL Electronics. It is a Shenano Kenshi # STP 58D3004, 1.8 dgree, 1.2V and 2.5 Amps and .48 Ohms. I am supplying the ED with 5V and 2.5 Amps. I am supplying the Arduino with 7.5 V and 1 Amp
Thanks for all your help.
Ken

]]> Comment on CNC Update 1 “We Have Motion!” by admin http://www.mendingthings.com/?p=68&cpage=1#comment-172 admin Tue, 20 Apr 2010 02:09:57 +0000 http://www.mendingthings.com/?p=68#comment-172 Sounds great, we are close now. How fast are you pushing the switch? We have a delay in there that may need to be shortened for quick pushes. Are you using my code or GNU's version? If you are using mine then this is the section I am talking about: digitalWrite(dirpin, LOW); // Set the direction pin to move forward <strong>delay(1000); </strong>//Give it some time Serial.println("Forward"); // Print Running to the terminal window for (i = 0; i<5; i++) // Step Forward 5 steps Sounds great, we are close now. How fast are you pushing the switch? We have a delay in there that may need to be shortened for quick pushes. Are you using my code or GNU’s version?
If you are using mine then this is the section I am talking about:
digitalWrite(dirpin, LOW); // Set the direction pin to move forward

delay(1000); //Give it some time

Serial.println(“Forward”); // Print Running to the terminal window
for (i = 0; i<5; i++) // Step Forward 5 steps

]]> Comment on CNC Update 1 “We Have Motion!” by Ken E http://www.mendingthings.com/?p=68&cpage=1#comment-171 Ken E Tue, 20 Apr 2010 01:16:23 +0000 http://www.mendingthings.com/?p=68#comment-171 It works now when I put the resistor in the 5V pin and then run down to the breadboard with the other end. Then I ran a wire to the NO on the switch and then one to pin 2 on the Arduino. GND I ran down to the board and on to the common of the switch. It is working. I tried reversing and putting the resistor directly in the GND but really no change. The ED seems to get hot faster and the stepper isn't moving the 5 steps. It takes about 16 switch pushes to go 90 degrees, so it looks like it is moving about 5.6 degrees per switch push. the Arduino is running cool in Idle when both the Green LED and the upper small white LED is lit. I think we are there is we can get the stepping right. Ken It works now when I put the resistor in the 5V pin and then run down to the breadboard with the other end. Then I ran a wire to the NO on the switch and then one to pin 2 on the Arduino. GND I ran down to the board and on to the common of the switch. It is working. I tried reversing and putting the resistor directly in the GND but really no change. The ED seems to get hot faster and the stepper isn’t moving the 5 steps. It takes about 16 switch pushes to go 90 degrees, so it looks like it is moving about 5.6 degrees per switch push. the Arduino is running cool in Idle when both the Green LED and the upper small white LED is lit. I think we are there is we can get the stepping right.
Ken

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