My yearly tradition of building an electronic gizmo returns with a very practical and fun project - building a regulated supply for my vintage Casio SK-1. Enjoy!
Join Team FranLab!!!! Become a patron and help support my YouTube Channel on Patreon: http://www.patreon.com/frantone
#franlab #patreon #holiday
- Music by Fran Blanche -
Fran on Twitter - https://twitter.com/contourcorsets
Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html
FranArt Website - http://www.contourcorsets.com

By Fran

18 thoughts on “2022 holiday build project special!!”
  1. Avataaar/Circle Created with python_avatars francisco br says:

    fantastic

  2. Avataaar/Circle Created with python_avatars brooklyndrive says:

    Hi Fran. Happy new year. I was prototyping something similar and tacking various resistor combinations to get the values right. I didn't have all the bypass caps fitted. A receiver running nearby went haywire on HF at several MHz! Those caps are there for a reason. These things can really take off.

  3. Avataaar/Circle Created with python_avatars Pica-Delphon Michael-Scheel says:

    YAY Kit Projects, YES…!!!!…

  4. Avataaar/Circle Created with python_avatars RetRover says:

    I had that same keyboard when I was young. Hearing the effects, brought me back.

  5. Avataaar/Circle Created with python_avatars Edward Paulsen says:

    I was chuckling quite a bit at the "Bodge factor"… There are so many projects that you "need fast" or they are not important enough to specifically source out and buy the precise components…. Many of us have component stashes that we have gathered from previous project leftovers and it is great when you can make something from parts you already have. Most of my parts are in the pennies for each and were bought in "bulk" with only a couple parts used… it is so nice to be able to whittle down the excess! Another great thing about it is you are continually using your brain and understanding how the electronics work in order to get what you want… It can be nice to have a preset "recipe" for a given need but when that need falls outside of premade recipes then one must know how to modify to get what you want… even further when you are using different parts than the recipe… that is truly learning the electronics and will help out a lot more than simply following a recipe with the perfect components. Also quite the interesting mix between breadboard and freeform component soldering… with a bit more planning you could have made a fascinating electronic sculpture without the breadboard by going to the slightly higher than 7.5 volts and using several of those LEDs to pull the voltage into the perfect range… But I digress… Great job!!!

  6. Avataaar/Circle Created with python_avatars SpydersByte says:

    yay for new project videos 😀 glad you decided to return to them

  7. Avataaar/Circle Created with python_avatars SteveMallison says:

    Yes, I'm also a fan of the LM317. Also the L200 if you want current limiting as well. Nice to see you making something Fran . Best wishes for 2023.

  8. Avataaar/Circle Created with python_avatars Area 73 says:

    I love watching videos like this. Personally I tend to struggle a bit with physical layout when trying to build circuits on prototyping boards, and watching how other people do it helps me quite a bit.

  9. Avataaar/Circle Created with python_avatars Eliot Brown says:

    This was fun! A good end to the old year and a good beginning to the new!

  10. Avataaar/Circle Created with python_avatars Darius Molark says:

    the art, the poetry of, science. gracias fran and a good new year to ya! 🙂
    (low income, i had to make a small contribution to this.)

  11. Avataaar/Circle Created with python_avatars Halfgaar says:

    The lm317 and lm 337 are also lower noise and can float (which you mentioned later on the video ;)). I always prefer them.

    Btw, I'm curious why there is no output cap discharge protection diode over the regulator?

  12. Avataaar/Circle Created with python_avatars Stephen Cook says:

    In the middle of doing something similar. Needed a 4.5 volt supply for a Geiger counter.

  13. Avataaar/Circle Created with python_avatars A C says:

    Happy Christmas Fran, I hope you have a lovely day 😃🌲

  14. Avataaar/Circle Created with python_avatars Shafer Kronenberg, Jr. says:

    Merry Christmas! Great Channel , thanks! Namaste. Hugs

  15. Avataaar/Circle Created with python_avatars Stouthuyzen Bob says:

    why not just use the correct powersuply for it? have bags full of them from all sort and kinds voltages. Makes life easy

  16. Avataaar/Circle Created with python_avatars ralph J says:

    When I saw the 9V adaptor I thought you were losing it, Fran (too close for comfort for droupout when using a linear regulator). Sanity restored, when you measured 15V. My kind of project cases, I once built a model train PSU inside a metal biscuit tin (perfectly safe for all ages, ho, ho).

  17. Avataaar/Circle Created with python_avatars Ale says:

    Great!

  18. Avataaar/Circle Created with python_avatars Kaasmeester says:

    Ah yes the adapter bin. I had to upgrade to an adapter closet at some point…

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.