Fun PT2399 Circuit Video Tutorial
In this video by YouTube channel Ms Mad Lemon, you can see the whole process of building a PT2399 circuit from scratch! As us audio DIYers know, it’s a great …
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Learning more about the Princeton PT2399
I have recently been watching YouTube videos about the Princeton PT2399 and I came across a very educational video by user Electronics Freak. The first part of the video gives …
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Video: PT2399 Delay IC Pedal Review
If you’re a DIY circuit enthusiast like me, you love the PT2399 Delay IC! The range of sounds that can be extracted from simple circuits using this versatile chip will …
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Electronics Workbench Essentials
If you’re missing any of these from your workbench, you’ll be creating more work… for yourself. Take a look at our handy dandy list and see what you’re missing that …
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MIDI for Beginners
You’ve probably seen some weird plug-ins in the back of your keyboard that you’ve avoided like the black plague. They don’t take a normal quarter inch TRS male plug that …
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Eagle CAD Printed Circuit Board Parts Library and Schematics FOR FREE on Github!
Over the years, I have greatly benefited from the generous work of the open source community. Whether it’s a reverse-engineered schematic of a early 70’s drum machine to source code …
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MIDI Buffer
Just found an awesome MIDI schematic used in a production model MIDI multiple-output buffer. In the works is a tutorial on how to make you own MIDI buffer! I’ll even …
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4093 NAND Gate Oscillator
Use a NAND Gate to get a square wave oscillator. Typically, the 4093 is used due to it being a Schmitt Trigger and there being 4 of them in the …
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Staircase CV (Control Voltage) Generator
Use this circuit with your circuits to output a staircase-style CV. The 4516 Binary UP/DOWN Counter is controlled by a two 4093 CMOS NAND Gate oscillators; one controls the clock …
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555 Monostable Multivibrator
The 555 timer can be configured with external components to output a single pulse for a fixed duration. When the switch is toggled to “ON”, the output will go high/1/ON …
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