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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by DrDoggy2

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    Solar tracker

    so wind force max is 720N, plus my wieght is actually closer to 100lbs, did i calculate the fulcrum corectly above? [100lbs * (5ft/1.5ft)] = force on arm = 333lbs = 1666 Newtons? is that right? can i divide that by 4 since I am using 4 actuators or does that value apply to each, since weight...
  2. D

    Automatic Water Level Controller for "Dr Fluffy Bottoms Quack House"

    https://www.amazon.ca/Clucker-Automatic-Filling-Watering-Chickens/dp/B089XZVZMP/ref=asc_df_B089XZVZMP/?tag=googleshopc0c-20&linkCode=df0&hvadid=459548773611&hvpos=&hvnetw=g&hvrand=745007387889989801&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9001085&hvtargid=pla-934509365667&psc=...
  3. D

    LCD has all squares until I adjust pot

    My old 16x2 LCD has instructions for pixel brightness and background brightness
  4. D

    Remarkably Simple Solar Tracking Circuit

    challenge accepted, hopefully i will have one built over winter. but how will i get an accurate power reading of the amps generated?
  5. D

    the program is not runing in C

    Maybe proramming isnt for you then as stuff like this is what programming is all about. are you DL the right program, ru x86/64 , got enough ram, correct win ver... ect, maybe try a older ver of studio, i DL 2015 last week cos it was the only free one that works with my Pc. try your own h...
  6. D

    Just an Idea so far; some Serious design help needed here.

    the phone itself could do all that, no? & just leave it on the charger?
  7. D

    Solar tracker

    Here is another drawing of my intent. The array will be flush, inside, the box when the veihicle is in motion. I do get heavy winds, up to 100kph about 4x a year, I can do up a detector to have it receed in to the box aswell during these undesired conditions. Is this sound? Where should i set...
  8. D

    Can somebody help a noob?

    I suspect the ignition trigger will be low power compared to the actual V+ that is used to pump the base. I never measured the amps on the trigger but a guess would be in the mA range.
  9. D

    Solar tracker

    Great Info, Rain I'm not worried about since when we have rain it s pretty cloudy so I will just retract it to the 0 position when raining. Wind is a problem here, so that is good idea i will put a wind guage on it to retract for the higher end winds. So mine is only half the area as his, so...
  10. D

    Solar tracker

    I would like to mount some solar panels on my 4x6 trailer to extend and "pop-up" much like one of those popup trailers. In my region I have googled that the ideal angle will be max at about 5 ft vertical. 57degrees I and i would like it to drop to 0 ft when travelling(0ft vertical is at the...
  11. D

    Can somebody help a noob?

    Car stereos get power even when the ignition is off due to the clock. (mentioned above) Use your capacitor on the "ignition wire" that triggers the power. (mentioned above) A resistor on both sides of the capacitor would be a good idea too, on the ignition side to protect from over draw on the...
  12. D

    can bus, just a question

    so the slave device only reports on change? i thought the master sends a request to get that report?
  13. D

    can bus, just a question

    I know some of yall started tapping in to can buses, just wondering how that went, specifically I was wondering if you were able to write instructions successfully, and if there was any conflict where the main ECU would overwrite an instruction sent, ie ...I envision that if I plugged in to the...
  14. D

    Likely stupidly simple questions about power

    LOL, and ensure the volts are all the way down before you hook it up!
  15. D

    ir signal generator

    The 200m range and antennas spoken about is how the signal get in from the dish... the dish feeds the main box on coax or lan or whatever, then the main box relays tv signals to the slave boxes via antenna. This is seperate from the small remote uhf antenna inside the remote. And the problem we...

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