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  1. donkey

    torque question

    well now you mention it a 2meter wheel would make the thing go REALLY fast.... and the neighbours would love to see it up and down the lawn lol I was thinking go cart wheels so radius is about 10-15cm so will look at about 300nm ish? (that's the 1503nm described divided by 10 for 10 then...
  2. donkey

    On/off switch for a quadcopter?

    The reason i RECOMMEND not putting the switch on the battery is so you dont have it off during charge AND if the battery pack fails or you use a second one you dont have to do this again to each pack
  3. donkey

    torque question

    So 1503 nm? Just trying to figure out how much torque i need on a motor for a ride on device
  4. donkey

    I have the qualification electronics and i don't know it's occupation

    Alex I am going to say something here that is just staring at me in the face from your posts this post is almost 1 year old and you still haven't decided. if you are in high school talk to your tutors, find something you are good at and dedicate time to it. if you believe you aren't good at...
  5. donkey

    Audio amplifier compatability...

    the battery MIGHT be the issue. if not enough current to run the speakers and amplifier then get a distorted sound. also could be a faulty connection in the mic. lets rule out a few things, plug mic into a KNOWN WORKING amp and try it Try speakers on a KNOWN WORKING amp try a 12volt power supply...
  6. donkey

    On/off switch for a quadcopter?

    where battery connects internally cut 1 wire on the quad copter side (not on the battery pack but the line that goes in) and install a spst switch. the switch you use in the spst category is up to you. which wire connects to which terminal is up to you I would recommend 2 things however SOLDER...
  7. donkey

    How can we Improve EP in 2017?

    in regards to chat server the setup is pretty easy, find a server or someone willing to host, download and install desired chat server, give out IP and password if needed.... having said that why not something like a facebook page or we could even try making a free chatroom on a host somewhere...
  8. donkey

    torque question

    hey guys and girls, just a quick question about torque. lets say I have a motorised device that total weight is 180KG(please use metric) if it was a 4wheeled device with top speed of about 5km and rear wheeled driven how much torque would I need to push the dang thing on a 45degree incline? need...
  9. donkey

    How can we Improve EP in 2017?

    I personally have a few issues with chat: will it be like a classroom, where 1 person is teaching and the others are taking notes? if so then wouldn't a thread be better as you don't have 50000000000000 people talking about non related items why use EP bandwidth for 1on1 chats when there are...
  10. donkey

    Need Experts Advice On Soldering Irons

    thanks bluejet for the hijack to post a completely unrelated video that has next to no signifgance to anything electronics related. it is a pleasure to ask a serious question and have someone do that as it makes it more "FUN" to sift through garbage to get the answers I was originally posting to get
  11. donkey

    Need Experts Advice On Soldering Irons

    so just from a design aspect heat cartridge close to the tip is advantageous or ability to hold heat like ceramic or something that retains heat. Light weight I am assuming 50 grams? balance is also a questionable item where do you want it balanced? in the dead centre? where you hold it? or...
  12. donkey

    Need Experts Advice On Soldering Irons

    so anyway as always I am trying to make both mechanical and electronic design and I thought to myself how about making an EP soldering iron. with his in mind I thought of finding things that make or break a soldering iron for people. I would like to know several things what wattage are you...
  13. donkey

    Virtual goggles...

    Ok so for this you just make the screen further from your face so each eye can view the whole screen. Also try aeeing if anyone has an rca to wifi or bluetooth adapter. This may solve some issues
  14. donkey

    Comedy Thread

    must be a dud sparkplug, not even hearing compression on the thing
  15. donkey

    Virtual goggles...

    ok so how do they work a container is made with lenses to focus each eye onto half the screen, Yes the screen is split into 2. the part that makes it feel 3d is there is a slight camera angle change, giving 2 perspectives of the same item. if you put a normal screen in there yes it would be...
  16. donkey

    LED Circuit Help.

    I see what you mean kamga just remember 3 important parts in your design. output voltage HAS to be DC so if not already then throw in a rectifier bridge. LEDs are hungry little things.. they will consume as much current as you give them...... then turn black, small flame etc. ensure you include...
  17. donkey

    How can we Improve EP in 2017?

    dunno if there are any teachers/trainers in here but maybe we could work on a learning centre. start of on the basic crap like component ID through to soldering and desoldering up to fixing things then lastly making your own design. include maths where needed but make it for the laymen
  18. donkey

    How can we Improve EP in 2017?

    friendly terminators for all members.... preferably those t1000 ones so they can keep changing what they look like and baffle the crap outta people.... also might be useful at halloween
  19. donkey

    How can we Improve EP in 2017?

    people like me get VIP status just for talking a lot..... I am a nub... seriously, anything I recommend should be first investigated and then reinvestigated BEFORE attempting any of it. have a secondary STATUS of sorts, and this would be more along the lines of "trusted" member. this can be as...
  20. donkey

    stupid Rpi question

    so anyway I am looking at the rpi more and more for whole ton of things, If anyone knows about them can someone tell me if it is at all possible to do something kinda weird. On board they have graphics, would there be a way to upgrade the graphics to higher def and dedicated ram somehow? I don't...
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