Moritz Klein Courses

DIY VCO - The Simplest Exponential Converter

1 rating

Learn to build a DIY voltage-controlled oscillator with exponential converter. Covers transistors, potentiometers, and voltage addition for creating the foundation of an analog synthesizer.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

Designing a Double Wavefolder From Scratch

1 rating

Learn to design and build a harsh, metallic-sounding double wavefolder from scratch. Explore wavefolding concepts, transistor saturation, and various folder configurations while creating your own DIY audio circuit.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Designing a Simple Analog Kick Drum from Scratch

Learn to design and build a simple analog kick drum circuit, covering oscillators, envelopes, and modulation techniques for creating punchy, customizable bass drum sounds in modular synthesizers.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

Designing a Simple Analog Hi-Hat Circuit for DIY Eurorack Synthesizers

Learn to design and build a DIY analog hi-hat circuit for eurorack synthesizers. Covers noise generation, filtering, distortion, envelopes, and tuning for creating versatile and crunchy hi-hat sounds.

• YouTube
• 37 minutes
• Self-Paced
• Free Video

Designing a TR-808 Style Snare Drum from Scratch - DIY Eurorack Module

Learn to design and build a TR-808 style snare drum from scratch, covering oscillator, decay control, attack stage, noise generation, filtering, and control voltage for a complete DIY Eurorack module.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

Reverse Engineering the Bucket Brigade Delay Circuit - DIY Audio Effects

Dive into the world of bucket brigade delay circuits, exploring their architecture, building a basic version, and designing a DIY audio delay using a BBD chip. Learn analog sampling, signal transfer, and reconstruction techniques.

• YouTube
• 45 minutes
• Self-Paced
• Free Video

DIY Analog Drum Sequencer - Minimal Design Without Microcontrollers

Discover how to build a minimalist analog drum sequencer using shift registers, triangle LFOs, and smart accents without microcontrollers or complex button arrays.

• YouTube
• 32 minutes
• Self-Paced
• Free Video

Designing an FM Drum Circuit from Scratch - Kick, Tom, Bell and Cymbal

Dive into the process of building a DIY FM Drum circuit with four modes: 909-style kick/tom, metallic bell/gong, ring mod cymbal, and FM cymbal, complete with component list and detailed circuit explanations.

• YouTube
• 37 minutes
• Self-Paced
• Free Video

Designing a Simple Audio Compressor from Scratch

Learn to design and build a simple audio compressor circuit from scratch, covering key components like diode VCA, peak detector, and voltage subtractor. Gain hands-on experience in DIY audio electronics.

• YouTube
• 29 minutes
• Self-Paced
• Free Video

Designing a Simple 5-Step Sequencer From Scratch

Learn to build a simple 5-step DIY sequencer using a 4017 decade counter. Covers circuit design, CV and gate outputs, and LED indicators. Perfect for synth enthusiasts and electronics hobbyists.

• YouTube
• 32 minutes
• Self-Paced
• Free Video

Designing a Sample and Hold Circuit from Scratch

Learn to design a JFET-based sample & hold circuit from scratch. Explore JFET basics, accurate sampling techniques, and troubleshooting. Includes hands-on component list and circuit simulations.

• YouTube
• 31 minutes
• Self-Paced
• Free Video

Designing a Classic Transistor-VCA From Scratch

Learn to design a classic transistor-based VCA from scratch, exploring BJTs, common emitter amplifiers, differential amplifiers, and voltage control techniques for audio applications.

• YouTube
• 49 minutes
• Self-Paced
• Free Video

Designing a Simple ADSR-ish Envelope Generator from Scratch

Learn to design a simple ADSR envelope generator for modular synthesizers. Covers passive and active A/R envelopes, ADSR simulation, and includes a practical demonstration with component list and circuit simulation.

• YouTube
• 31 minutes
• Self-Paced
• Free Video

Turning My Diode Ladder Filter Into a Eurorack Module

Detaillierte Anleitung zur Erweiterung eines Dioden-Ladder-Filters um Hochpass- und Bandpass-Modi sowie Verbesserungen für ein Eurorack-Modul. Enthält Schaltungssimulation, Bauanleitung und Verlosung.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

Complete Beginner's Guide to Using a Breadboard

Comprehensive guide to breadboard basics: identifying components, understanding internals, reading schematics, and building simple circuits. Hands-on approach with practical examples for beginners.

• YouTube
• 21 minutes
• Self-Paced
• Free Video