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16  Using Arduino / Programming Questions / Re: HC SR-04 and servo problem. on: March 24, 2014, 06:44:40 am
Welcome to these forums. Please read and follow the instructions contained in the sticky post, the first post on this forum's opening page. - Scotty
17  Using Arduino / Project Guidance / Re: Wiring specifics on: March 21, 2014, 10:51:20 am
Perhaps a single pole double throw wall switch and an Arduino controlled SPDT latching relay, following the wiring of Peter's first link. - Scotty
18  Using Arduino / Project Guidance / Re: Wiring specifics on: March 21, 2014, 06:07:01 am
I'm not clear on the switch. Are you referring to a switch such as a common light switch as might be might be mounted in a wall to control the mains directly or a small, low voltage switch that you might find at Radio Shack that you can attach to an Arduino? - Scotty
19  Using Arduino / Project Guidance / Re: Wiring specifics on: March 20, 2014, 06:49:04 am
Does this circuitry involve AC mains voltage? - Scotty
20  Using Arduino / General Electronics / Re: detecting when power is on, to a record player. on: March 17, 2014, 06:54:29 am
I think Peter meant that his suggestion wouldn't be intrusive to your player, not your domain. I agree with his suggestion. A very inexpensive, simple device and two wires; about as easy and simple as it gets. - Scotty
21  Using Arduino / Motors, Mechanics, and Power / Re: Stepper Motor Voltage Supply on: March 12, 2014, 06:59:11 am
Won't different manufacturers have diff configurations, pinouts and torque ratings.

Yes. Go browsing on ebay. You can get an idea of what would suit your project just by looking at the images shown in the posts of the items. Most likely the pinouts will be as simple as you can get, negative and positive. Torque shouldn't be much of a problem if the vertical load is supported by a bearing. - Scotty
22  Using Arduino / Motors, Mechanics, and Power / Re: Stepper Motor Voltage Supply on: March 11, 2014, 07:53:20 am
The device below (an automotive window regulator) may be a good solution. Inexpensive, readily available, powerful, and holds position with no power applied. I incorporated it in a solar panel tracker I was working on. I don't plan to try to track the sun's zenith since it wouldn't need constant adjustment and could be done, in my case, manually. The motor draws about 9 amps at locked rotor. I used a relay driver board to apply power. - Scotty

23  Using Arduino / Motors, Mechanics, and Power / Re: Attempting to make a computer controller Power Wheels toy, but new to electronic on: March 04, 2014, 07:53:06 am
Sounds like fun and driving the motors is a feasible project for a beginner. Besides a motor driver, something like this could be used to control the motors forward and reverse but you wouldn't have speed control. Do you plan to have any input devices for control? What about steering? - Scotty
24  Using Arduino / Motors, Mechanics, and Power / Re: How to control speed of motorized pinwheel using a potentiometer on: March 04, 2014, 07:36:28 am
Go here and read, particularly #6. - Scotty
25  Using Arduino / Project Guidance / Re: Test GSM modem on: March 02, 2014, 11:07:13 am
According to TX should be connected to TX, RX to RX. - Scotty
26  Using Arduino / Project Guidance / Re: Motor that can lift 20 pounds/~10kg? on: February 21, 2014, 07:24:13 am
Perhaps something like this? - Scotty
27  Using Arduino / Project Guidance / Re: Arduino and SMS on: February 20, 2014, 03:47:56 pm
Yeah, sorry, that was a bit stupid. What I have in mind to do, primarily, is to have a fire sensing device(s) trigger an Arduino to send me a text message via an other device. The 'other device' is what I'm seeking guidance on. What are the options as to what I can use to handle the text message sending. With the fire alert system up and running I'd like to add other input devices to detect other events happening at or within my home. - Scotty
28  Using Arduino / Project Guidance / Arduino and SMS on: February 20, 2014, 09:55:11 am
There are so many things I want to do using an Arduino to prototype; micro controllers and related devices are just so enabling. What keeps gnawing at me is what I should be doing. What I ought to be working on is home security, particularly in case of fire. I'm seeking advice on what path to follow. I would rather bear the initial expense of components rather than a long term expense of say, adding another phone to my current account. What are the options? - Scotty
29  Using Arduino / Motors, Mechanics, and Power / Re: Cant figure out why my motor isnt working. on: February 20, 2014, 07:52:06 am
Those images are much too large to view as a whole; cannot comprehend the circuit as only a small portion of the circuit is viewable at any time. Please repost with a width of around 800 pixels. - Scotty
30  Using Arduino / Project Guidance / Re: Electronic valves project on: February 19, 2014, 07:55:09 am
So, what's your question? - Scotty
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