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7 files

  1. Bi-polar TL431 controlled adjustable supply

    This module... takes +-5.25 v and using the TL431 regulators gives the ability to set both +- to exactly the same voltage..
    this project is shown in...
    Home >Electronics Discussions >General Electronics >TL431 Voltage regulator.
    not on a pcb but strip board. output 100mA max, but by adding transistors it is possible to use more current...

    10 downloads

    Submitted

  2. Ohmify Amplifier Circuit

    This zip file contains kiCad schematics and PCB design files for building an LM386 based amplifier circuit. To see an example of this amp circuit in use please see this post:
    All the components used in this circuit can be found here: https://www.digikey.com/short/zd39nz
    This is a modified version of the amplifier circuit that can be found here: https://ohmify.com/courses/music-amplifier/introduction/the-amplifier-circuit-diagram/

    19 downloads

    Updated

  3. Intro to Node-RED for Ohmify

    I have been using Node-RED to connect my electronics projects to Internet of Things hubs, communicate with Artificial Intelligence services such as Watson, etc.  I have been amazed at how easy it is to drag and drop blocks and link them together to do really cool stuff - with almost no programming required.
    I noticed that there wasn't much on Ohmify about Node-RED, so I wrote a quick intro to inspire other members to try it out.
    If you have any questions about Node-RED, post them in the forum and send me a private message to ask me to respond.

    8 downloads

    Updated

  4. Kicad files for a simple 5 component guitar pre-amp.

    I didn't include a BOM - all the values are printed on the board - C1 is marked as 0.1uF, if you want more bass response then a higher value cap - like a 1uF - would do the trick.

    4 downloads

    Submitted

  5. 555 Monostable Mode.pdf

    My understanding of how the 555 timer works in monostable mode.

    8 downloads

    Submitted

  6. PCB Design Checklist

    Use this step-by-step checklist when you want to design a PCB with KiCad.

    9 downloads

    Submitted

  7. 741-opamp-led-neg-voltage.txt

    Falstad circuit showing how to set up dual rail ...eg pos and neg voltages for op amp.
    use open file in the applet to use this file. and change the resistance to alter the voltage and trigger the led via a transistor.

    9 downloads

    Submitted

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