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  1. Arouse1973

    Not enough current to trigger relay.

    Why can't the other system (horn) follow the timings of the phone ringing? Adam
  2. Arouse1973

    Would anyone be interested in a £5 ($8) heart rate sensor?

    This Forum is for helping people with technical issues and is not ebay or Amazon. Stop wasting our time and go and sell it somewhere else. Good luck with your design. Thanks Adam
  3. Arouse1973

    Zener Diode

    Yes they are silicon diodes. Adam
  4. Arouse1973

    pressure measuring device

    I must be the one on the left then, with the green skin :)
  5. Arouse1973

    Not enough current to trigger relay.

    LOL, Trevor, you beat me!
  6. Arouse1973

    Not enough current to trigger relay.

    Hello All you need is a transistor switch and an external power supply(wall wart). The wall wart powers the relay and the output from the phone triggers the transistor. Adam
  7. Arouse1973

    iPad problem, Please help

    I would say there was something wrong with your screen. Why don't you contact apple tech support? Thanks Adam
  8. Arouse1973

    Help Coming up with how I can do this

    Um... not easy lol
  9. Arouse1973

    Help Coming up with how I can do this

    You forgot Kerplunk, operation, connect 4, and guess who :)
  10. Arouse1973

    Help Coming up with how I can do this

    How many pieces? I must be blind, does he say? Lol
  11. Arouse1973

    Help Coming up with how I can do this

    Yep its called opto reflectors. Put a bit of tin foil on the bottom of the piece to be detected. How many piceces are you planning on detecting? Adam
  12. Arouse1973

    Identify 8 leg SMD chip 8305

    Could be one of these? http://pdf.datasheetcatalog.com/datasheet2/0/00qh8iey70kuoglg7l4i9wfpzepy.pdf Adam
  13. Arouse1973

    Sensor SHT 75 and Arduino Uno

    Do you have a pull up resistor on your data line? Can you show us your circuit? Adam
  14. Arouse1973

    Power Conditioning Unit

    Hi and welcome to EP.. What does he mean by power conditioning? Electronics component dont need moisturiser Adam
  15. Arouse1973

    Programmable Potentiometer/Resistor For 12V DC Motor

    Ok so I think we should start with the interface side of things, because we may not need to design a motor driver if we can get an off the shelf one to work. We need to nail down what socket control method you are going to use, USB, or serial. My first offering is for serial connection. Lets...
  16. Arouse1973

    Programmable Potentiometer/Resistor For 12V DC Motor

    Let me have a think about this tomorrow. Adam
  17. Arouse1973

    Programmable Potentiometer/Resistor For 12V DC Motor

    You would need some kind of PWM interface that you can control from a PC. I think we need to put together a sort of block diagram that people can see on exactly what you want to do. This is not a beginner project. What's your time frame for all of this. This could be a nice little project for...
  18. Arouse1973

    Programmable Potentiometer/Resistor For 12V DC Motor

    Maybe something like this? http://www.amazon.com/Hobbypower-Voltage-Brushed-Controller-Off-road/dp/B00DU4A8QE The 320A will be for a burst. But not sure what you would call a burst. You would have much more options if the motors where brushless. Adam
  19. Arouse1973

    Programmable Potentiometer/Resistor For 12V DC Motor

    The ESC only need a PWM signal and power. So as long as the PWM is set up right then I think it will work. Let me have a look.
  20. Arouse1973

    Programmable Potentiometer/Resistor For 12V DC Motor

    That's it... connect into it with your control gear and away you go. Give me the part number of one of your motors and I'll have a look for you. Adam
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