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  1. Delta Prime

    Help

    There's always hope. How about a heirloom tomato plant named boxcar Willie. You can water with the irrigation system soil sensor and everything here's a schemo. https://www.homemade-circuits.com/simple-automatic-plant-watering-circuit/ Or do you want to go this route? I'm here for you bro...
  2. Delta Prime

    hc-sr501 sensitivity

    If you're open to suggestions? You are going to have to upgrade. That means money! But it will eliminate the frustration and give you the security you seek. It'll keep you and those precious little kitty cats safe. For detecting only human presence you can look for D6T sensor (omron) which is...
  3. Delta Prime

    Remote spray paint tool help

    That's a cool idea. Maybe you could borrow applications that already exist combine them kicking off your own imagination No harm in that. Instead of the hand finger trigger the applicator trigger would be the servo that actuates the spray can nozzle. One spray can on each of the bar. connect it...
  4. Delta Prime

    hc-sr501 sensitivity

    No no not foil! I may have misspoke . I usually store my plastic wrap adjacent to (right beside)aluminum foil in the kitchen. :) My technique was required when I was a child playing with electronics and I was lucky it worked. In my particular situation I I use both a cooking plastic bag that...
  5. Delta Prime

    Off the Shelf Logic Gates?

    I resemble that remark. ;) I have in the past and continue to use...you're clever circuits. Thank you. "Better than a thousand days of diligent study is one day with a great teacher." -Japanese Proverb The great ones I call... Sensei.
  6. Delta Prime

    Off the Shelf Logic Gates?

    That's my cue! Welcome to misfit Island Sensei. Lock her up!!
  7. Delta Prime

    hc-sr501 sensitivity

    In the kitchen you'll find plastic wrap probably along with the aluminum foil Common household plastic wrap is made of polyethylene. Plastic sandwich bags you know those ziplock things.... polyethylene. The big cooking bags for chicken and turkey... polyethylene. That's what I use and that's...
  8. Delta Prime

    How is this done?

    Positive feedback I think this is cool. Upside down and backwards, not surprising... I like this; how do you do this?
  9. Delta Prime

    hc-sr501 sensitivity

    Have you tried this! https://maker.pro/forums/threads/pir-hc-sr501-sensitivity.299355/
  10. Delta Prime

    Project question about charging with a solar panel

    I'm just a youngster. Like a centrifugal governor on a hit and miss steam engine . I go balls out! Or balls to the wall! Would you happen to have ment 6 to 20 watts instead of 6 to 20 amps?
  11. Delta Prime

    Samsung Q600B/ZA-no sound,buy schematic diagram

    You never said you knew how to read schematics. If a fault is found are you capable of soldering and desoldering the component? More research on the interweb is necessary they are available for free. I will download your photos and see if I can't find any damage components. But I will provide...
  12. Delta Prime

    1000VA UPS

    Yes of course thank you for that fact and thank you for the information. Never stop learning!
  13. Delta Prime

    Comedy Thread

    While a fellow was out riding his Harley one sunny afternoon, he rounded a sharp curve, found a large patch of sand and left the road, ending up in a nasty ditch. As he was laying there dazed and injured, along came a stunning blond in a shiny red Corvette. She got out of her car and asked “Are...
  14. Delta Prime

    Project question about charging with a solar panel

    For the cost of your solar power system I can put it down payment on a house. Solar panels specifications are given in Watts. Look at wattage is by comparing it to the speed of a car. If a car travels 50 miles in an hour, you would say it is traveling at 50 mph. The same logic applies to...
  15. Delta Prime

    hc-sr501 sensitivity

    Welcome to Maker Pro. Here's a little snippet. You can attenuate by using thin sheets of polyethylene. Polyethylene is the same material that the PIR lens is made of. It will pass, but attenuate the wavelengths you are interested in. Find something around .015" and begin stacking until you hit...
  16. Delta Prime

    Charger fuse on the output side burned

    Well I'll be damned! My professional career started in Burbank as a teenager Work study program in the high school got a gig with Motorola did all the two-way communication Narrow band FM.Hand held, mobiles , repeaters for the movie industry there . Anyhow I'll do some research see what I can...
  17. Delta Prime

    Charger fuse on the output side burned

    Go get'm tiger! I noticed the NBC asset tag . Are you a cameraman?
  18. Delta Prime

    Trigger 12v relay with 3v source

    You can place the light dependent resistor in front of the light source as above adjusting sensitivity with potentiometer. Far more sensitivity can be acquired with the circuit below. https://www.pcbheaven.com/circuitpages/Light_Dark_Activated_Relay/ But I suspect you wish to go...
  19. Delta Prime

    Charger fuse on the output side burned

    Yes of course that would be wonderful. Well I have an idea if it's one in three malfunctioning and clearly the 4DH chip is destroyed then what about two and four perhaps there could be another 4DH chip? A long shot I know just throwing it out there.
  20. Delta Prime

    Help needed to repair Rumble 500 V3 bass amp

    When you get her up and running, play a little something, I would like to hear it.
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