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Why is the picture so small???? :x @Amity, The small picture you see is an icon. When I clicked it, I was able to download the full-sized image from imageshack, and when I opened the downloaded image, it displays at a useful size. Re the last three connections: If you look at the little MOSFET boar...

I have ordered an Arduino UNO R3 Atmegs Board328 Tell that this is the right one... :D Ordered from ebay but has (of course not) arrived yet. ...wall-wart: I thought i could use the batteries (seperate box) that came with the vibe. Is that correct? Is that the right item I need to buy next? http://...

amity is from Germany amity is actually male and female, as we are a couple who are exploring things here together. I (we :D ) have ordered an arduino, just to get things going. @Amity, You've taken a first step, great! If I may ask, which Arduino did you buy, and where did you order from? As you'l...

How to connect a MOSFET and an inductive load (solenoid or motor): Some say, that you should also connect a couple of hundred ohms in the lead feeding your signal to gate on the MOSFET..... it works without it. The 10K is a "pull down" to make sure that the MOSFET will not see a stray cur...

Some of the items are cheaper when coming from China - but the delivery time is of course up to a month. Hmmm, let me see if I can get the items for a reasenoble price a little bit quicker. Where does the wall-wart and the arduino-sketch come in, I haven´t got the vast overviwe by now :oops: @PiJoy...

I ordered a handful of the MOSFET break-out boards. They have not arrived yet, but I'm a little bit exited to see how well they will be working. It is an IRF520, and according to the datasheet , the Gate to Threshold Voltage should be 2-4 V, meaning that the 5V from the Arduino output, should open ...

@PiJoy <snip> I am going to buy: an arduino board Uno Rev 3 a solder-less bradboard (800 connections) 22 gauge solid wire Is that about right? I have got a soldering iron and solder somewhere and a wall wart (…let you know which one) Any Arduino or clone will work. However, be sure to check what ca...

Hello Dark_Lizard In the arduino shop there is no "V3" but a "Rev 3" = release 3 Is it this one: http://store.arduino.cc/product/A000066 ? Yes the vibrator comes with a remote control / battery pack. Anything else I need to buy? @amity, I'm coming into this thread in the middle....

<nip> I have made other vibrator controllers, and the last one was based on an IR receiver (TSOP 4838) to receive and handle the signals from a TV-remote. http://www.righto.com/2009/08/multi-protocol-infrared-remote-library.html has done all the hard work, I just perverted it. :mrgreen: The modes a...

<snip> The Hitachi wand is an 110v AC powered motor with a low current requirement and could easily be switched on and off by an Arduino/relay combination. The Hitachi Magic Wands sold in the US are indeed powered by 120 VAC, however, inside the wand, the power is either full-wave rectified (on the...

<snip> So if I understand this correctly. I want to power a maglock that uses Voltage 12/24v DC 360/180 Current mA The battery I'm looking at is http://www.vapextech.co.uk/acatalog/info_26.html 3300mAh / 360ma would give just over 9 hours of battery time in an ideal world but after taking away fact...

As mentioned my understanding of batteries isn't too great. For a 12v 360 ma mag lock, could I use a battery that delivers 12v but more than the listed milliamps. For example it says 360ma but could I use a 12 v battery with 2300ma and the lock would only draw 360ma or is that not the way it works?...

<snip> Can the Ardurno be slaved to the PC and turn on or turn off it's outputs directly? The K8055 is PC controlled by the USB port. It is just a dumb device (not programmable) Arduinos (and variants) have inputs and outputs similar to the K8055 -- digital I/O and analog I/O (although the analog o...

With all the stuff around the forum on Arduino applications, I'm thinking of trying a few things from what others have posted, and running a few experiments of my own. I'm not looking for anything fancy, and I lack the budget for anything overly ambitious. I can afford the ~$40 basic kit, but I'm n...

Good work! The ULN series parts I've used have both per-channel and total-for-the-package limits for both current and power dissipation. I like the ones (ULN28xx, if memory serves), because they have good diode protection built in and also the biasing resistors all inside the package -- less wiring ...