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  1. Chemelec

    Boxes. Cases. I need simple coverings for my projects! What do you use?

    I make my Boxes to Fit my Projects. And Some are even suitable for selling them. Decals are Reverse Printed on Transparency Film (Laser Printer), so won't rub off. Click for Full Size Picture.
  2. Chemelec

    Bench power supply advice

    Or you could use an LM350 for a Higher Current rating.
  3. Chemelec

    2 volt regulator

    An LM317 will also Regulate down to 2 Volts or a bit Lower.
  4. Chemelec

    2 volt regulator

    Depending on his situation, this Negative one could work for him.
  5. Chemelec

    2 volt regulator

    I have a Few MC7902CT Regulators . these are 2 Volt Negative regulators. Probably the 2 volt Positive ones Were also Made.
  6. Chemelec

    How to make a day/night cycle controller

    Probably not a good idea.
  7. Chemelec

    Boxes. Cases. I need simple coverings for my projects! What do you use?

    If you can buy some Sheets of ABS Plastic, you can make your own Custom Boxes, like I do. http://chemelec.com/Projects/Boxes/Boxes.htm
  8. Chemelec

    Simple Metal Detector Circuit Keeps Beeping - Help

    It Looks like Enamel Coated, Just a Light Color Coating. I have some like that. But Yes that one white wire is in the Wrong Hole. However, It will NEVER Work with that type of Coil. It Must be wound on a Ferrite Rod or Pot Core With the Correct Inductance Value. As per the Data Sheet. Detection...
  9. Chemelec

    Simple Metal Detector Circuit Keeps Beeping - Help

    Can you Post Your SCHEMATIC? The TDA0161 is a Proximity Detector and Only detects for a Very Small Distance. (Possibly for 1 Inch) Also the Coils is Supposed to be wound on a Ferrite Rod.
  10. Chemelec

    Ozone generator unable to reset"Service light"

    I Agree, But Probably also NOT Repairable.
  11. Chemelec

    Ozone generator unable to reset"Service light"

    I Doubt Anyone (except the Manufacture) can FIX the Micro processor as only the Manufacturer would know the coding for it. I have built numerous Arc types of Ozone Generators, but not with using a micro processor. You Might try to Contact This Company for help. The Ozone Doctor The Ozone Doctor...
  12. Chemelec

    Simple NiMH Charging Circuit and Resistance

    Your battery is a Nominal 1.2 Volts. But when charging, it Charges up to about 1.6 volts.
  13. Chemelec

    Ozone generator unable to reset"Service light"

    What is the Actual Ozone Generator on this unit? A HV Arc or UV Tubes? I have lots of UV Tubes for generating Ozone. They just look like a Florescent Tube, But with Clear Glass. (No White Coating)
  14. Chemelec

    Hobbyist Station

    Considering the $20 Price, I was Curious to order one. Until I Saw the Shipping Cost to get it into Canada. Just their Shipping cost was $80 to $140.00 USD.
  15. Chemelec

    Hobbyist Station

    Looking at the Plug going to the Iron, It probably is Actually Temperature Controlled.
  16. Chemelec

    AC 18650 Replacement?

    Audioguru, If you look at the LED's they use: "CREE XM-L2", they have a CUSTOM Made, Built in Current Limit Chip.
  17. Chemelec

    AC 18650 Replacement?

    The LED may be driven in its constant current mode. IF IT HAS THAT?
  18. Chemelec

    AC 18650 Replacement?

    Yes the Aluminum Body carries the Return current. It doesn't matter if our supply delivers 3000 mA. That 3000 mA is Reserve Current so it will last for a Reasonable Time. Even 1000 mA would probably be Ok. Most Common LED's Draw 20mA. But these LED's are Probably Higher Power types, so they...
  19. Chemelec

    AC 18650 Replacement?

    First you need to determine How Much Current the Flashlight Requires.
  20. Chemelec

    Nichrome wire help

    OK
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