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  1. donkey

    Keypad to dual 7-segment display circuit

    oh and I totally missed it. but WELCOME to the forums, hope you enjoy them
  2. donkey

    Keypad to dual 7-segment display circuit

    rogerb the reason for the justification was to see if it was homework or not, not a shot at your project. we totally endorse those who use us to help with homework but we really don't want to do all the work for you. you mention pic and you can use this if you wish but there are alternatives...
  3. donkey

    RC car + Arduino help please

    Just to go back to coca cola's first entry its about torque. the reason its going when in the air but not on the ground is a weight issue. too much downward pressure makes it harder to go forward. you could try using a circuit that enables a secondary power source giving more amps to the motor...
  4. donkey

    HELP WANTED

    I don't know if this has been covered but this site is about getting 1 question and a heap of answers. that is the way the forum works. I ask for a simple LED blinker and people post links, give schematics, etc etc etc. what you are trying to do is the EXACT opposite of what this and most...
  5. donkey

    New Moderator

    I am late to the party cos of work but Harald from the wisdom you have given and the patience you have shown you rightly deserve this. congratulations
  6. donkey

    HELP WANTED

    I am not a moderator on this forum but I have spent a bit of time on here and have learnt a few things 1 this is not a business site. It is a site for people learning about electronics or wanting help. NO ONE on here actively uses this site to make money, this is why we don't allow spamming and...
  7. donkey

    HELP WANTED

    giving us more detail on what type of product and how long it takes is what the issue is. as everyone has said if this is a huge product then the setup costs could be much higher than you have estimated. in our members we have a great guy that actually makes electronics to order (and cute cars...
  8. donkey

    Electronics for the right-brained

    wingnut just a heads up, I have the for dummies book and I can say not the best read really. get a book that has circuits in it and explains how they work. for dummies has little in the way of this. also a while ago I posted in the members section about a live chat using google chat if you...
  9. donkey

    HELP WANTED

    a patent is easy to get, as is copyrights. the issue comes from what you use. if you design every aspect from the ground up you have the rights to a patent. if however you combine 2 elements that already exist you have the rights to copyright. take an alarm clock for example. everyone had a...
  10. donkey

    funny demotivational pic

    like the guy who put his camper on cruise control and then went and made himself a coffee.... thats why the motor vehicles have disclaimers on cruise control.
  11. donkey

    I (a newb) would like to design a small & simple GPS tracking system for my 2 cats

    ok if you want a already made item that will use gps to track your cat and you then log in via your computer to find their location you can get a smartphone with gps of ebay. An Iphone for example has the site "wheres my iphone" and you simply log in and find your phone. finding a light weight...
  12. donkey

    Can I Use A Motor From a Fan For Electricity

    disconnect the fan from whatever it is currently hooked up to there should be 2 or 3 wires. if its 3 hopefully 1 is black and another is red. hook your meter up to these. use a fan to blow on this fan. now 2 things you should look for, first is does the fan you're using rotate the fan you are...
  13. donkey

    Hello, Welcome! (Introduce yourself)

    welcome newcomer. Hope to learn from you as you learn from.... the others in this forum
  14. donkey

    Infrared and gps and connectivity

    just a note GPS is a reciever. it recieves data from sattelites and calculates rough distance from each giving a set long lat alt. you will not be able to transmit over gps. If I were going the very simple approach I would look into arduino, picduino etc and find the boards that I need...
  15. donkey

    please help me, with Arduino uno serial communication

    ok let me show you how I got good at arduino in just 2 hours... and 3 easy steps step 1 buy arduino step 2 go through the tutorials on their page step 3 try to decipher the code from each tutorial... thats it.... I bang my head on a wall quite often as some coding, rf for example, still does...
  16. donkey

    please help me, with Arduino uno serial communication

    this sounds like homework more than anything http://arduino.cc/en/Tutorial/AnalogReadSerial this link shows how to read an analog input and send it through the serial to display numbers in arduino. you can see the "Serial.println" gives the command to show the data on the serial port. you will...
  17. donkey

    Laugh for the Day

    nice one
  18. donkey

    LED cycle RGB

    this may have been covered already as it was your first post here, but isn't it cathode and anode? the LED is a diode.
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