Gate
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If you’re new to DIY synthesizer building, you might’ve run into this issue: you just set up your first VCO on a breadboard, spent a good while troubleshooting the stubborn thing – and then you realize you have nothing to actually control it with. OR if you already have a decent modular setup, but still haven't found a simple, hands-on sequencer - here’s a compact, yet versatile 5 step sequencer with adjustable sequence length, per step gate status, and output range! It works both from an internal and external clock and has reset input for more complex sequences if several sequencers are chained up. It works also as a waveshaper when clocked at the audio rate.We – Erica Synths and Moritz Klein – have developed a series of educational DIY kits under the brand name mki x es.EDU with one specific goal in mind: to teach people with little-to-no prior experience how to design analog synthesizer circuits from scratch. What you’ll find in the box is not simply meant to be soldered together and then disappear in your rack. Instead, we want to take you through the circuit design process step by step, explaining every choice we’ve made and how it impacts the finished module.In total, we have developed 9 kits to build a fully-featured modular monosynth: a sequencer, a VCO, a wavefolder, a noise/S&H module, a mixer, a VCF, an Envelope generator, a dual VCA, and an output stereo mixer with a headphone amplifier. Additionally, an affordable eurorack case with a DIY PSU will also be available. While these kits are easy to build, we did not compromise on design and functionality. We will launch one kit every 4-6 weeks. For each kit, there is an extensive user manual (40+ pages; can be downloaded separately) that will dive deep into not only the electronics behind each circuit but also the fundamental principles of sound synthesis. We hope that the mki x es.EDU project will inspire future engineers and will contribute to the ever-growing diversity of electronic music technology.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
sold out at the moment
Super Sixteen is a 64-step control voltage sequencer with gate, pitch, linear CV, and clock outputs, and a unique 2-handed programming interface that makes programming melodies, rhythms, an basslines a joy.Features:• Patch memory for 99 sequences• Up to 64 step sequence length• Selectable scales and swing timing• Intuitive motion recording• Per-step glide/portamento• Real-time rhythm and pitch effects like beat repeat, stutter roll, and randomization.• Code and hardware files are open-source for you to edit and experimentDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Infinitely Maybe is a full featured randomness module, with a number of sources of randomness:• White noise• Pink noise• Sample and hold circuit• Random gates circuitAn onboard CV mixer allows you to mix two different sources into the sample and hold circuit. White noise is normalised to CV input 1, Pink noise is normalised to CV input 2Infinitely Maybe has an onboard clock for triggering the sample and hold circuit. This may be overridden with an external clock if required via the clock in socket.There is a built in LAG circuit, which enables the S/H OUT to slide between voltages at a predetermined rate. This function can be remotely controlled via the LAG INFinally, a random gates output is derived from the S/H Out. With the MAYBE knob at 0 a constant gate is available. The further you turn the MAYBE knob towards 10, the less likelihood of a gate is.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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KRONO is a clock and rhythm generator module offering 12 independent outputs split into two groups, packed with 10 versatile modes ranging from Euclidean to chaotic rhythms. Designed for creative timing control, it features weighted tap tempo, external sync, state persistence across power cycles and a unique swap function for inverting output group behavior. With visual feedback LEDs, fixed base clock outputs, USB-C programming, and open-source firmware, KRONO is a flexible and inspiring tool for rhythmic experimentation.Features:• 12 Clock Outputs divided into two groups (A/B)• 10 Operational Modes covering standard, mathematical, musical, probabilistic, and chaotic rhythms.• Weighted Tap Tempo & External Sync• State Persistence: Saves Tempo, Active Mode, and Swap State for each mode, retaining them across power cycles.• Calculation Swap: Inverts functions between groups via the MOD button or external gate.• Visual Feedback: the Status LED indicates the active mode; the Auxiliary LED signals state changes (tap, mode select, swap).• Fixed Base Clock Outputs: Outputs 1A and 1B always provide the unmodified main clock.• Hardware Platform: Based on CPU STM32F411.• Open Source: Firmware developed with PlatformIO (C/C++), customizable.• Programming: Via USB-C DFU.• “whatever” power connector – don’t mind the polarity, it’s protected eighter way.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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DivSkip is a 4 Channel Trigger and Gate Processor, with loads of great modes. Bernoulli Gates, Clock Division, Turing, Euclidean Split, Euclidean Classic, Ramp / Gate Length, Retrigger and Pattern.Plug in triggers or gates from a clock, logic module or sequencer and generate new rhythms and variations. Modes include Probability, Clock Division, Turing, Euclidean, Retrigger, Gate Delays and 64 step preset patterns.Features:• 4 Channels of Triggers or Gates• push-to-mute• 8 modes per Channel• LED rings for visualizationDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Φορέω is a triple function processor for triggers, gates and clocks. It simultaneously performs pulse width modulation, multiplication and repetition, with individual input, output and CV for each function.• Pulse width modulation, as a ratio of the input signal rate, is adjustable from 0 to 100 percent. Multiplication also operates on the input signal rate, multiplying it by a factor from 1 to 16.• Repetition generates a burst of triggers, at the rate of the multiplier, with repetitions adjustable from 1 to 16.Each function has two knobs for manual and CV level, and three jacks for trigger input, CV input and trigger output.Pulse width modulation carries through to the outputs of the two other functions, and the three trigger inputs are normalled from top to bottom.When multiply and repeat are combined, Φορέω makes an excellent burst generator, perfect for rolls, flams and fills. The repeater gives precise control over burst length, while the multiplier easily moves from quarter notes, to thirds, to eights, to everything in between and lots more beyond. Go on, give us a snare rush!Φορέω is also extremely versatile with many utility functions, such as master clock doubling, clock modulation, and for triggering and clocking fast sequences. It even works as a square wave overtone generator with PWM, tracking audio input signals up to 20kHz.Φορέω perfectly complements Στοιχεῖα, Λόγοι, Κλάσματα and Χρόνος, completing our Euclidean series of trigger processors.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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The Robaux Decision Tree randomly sends a gate to one of three outputs and then to one of three sub-outputs. Generate unpredictable rhythms. You can choose to route a gate to a single random output or play polyphonic gates. Utilize the knob to transition from total chaos to a repeating loop.The latch mode lets you hold an incoming gate. Pair it with a multimode filter to select various filter types. Use it to alternate between a variety of waveforms. The random input routing injects vibrancy into your sound.The DCSN 3 can also function as a traditional clock divider. The signal is split from half to 1/16 on the top four jacks. Additionally, a continuous sequence is output through the lower eight jacks. Odd divisions enable intricate rhythm creation. Utilize it at audio rate for polyphonic chords using just one square VCO.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
sold out at the moment
The SetonixSynth Detectorist is a 2 HP Gate-to-Trigger-to-Gate module, designed to provide useful “duty cycle”-like behavior from any sharp rising edge input.When triggered by either the gate input jack or manual pushbutton, the Detectorist will produce an adjustable-length pulse, spanning in length from 12 milliseconds - about 85 seconds over its three ranges. If the Detectorist is re-triggered while the output is already active, the count will reset but the output will remain active without dropping to zero, thus “tying” the pulses, or producing 100% duty cycle.Features:• Converts any rising-edge pulse to a gate with three time ranges• Overall hold range of 12ms - 85 seconds• Manual gate trigger/hold button• Capable of re-triggering while output is activeDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Rocinante's Gate is not a classical low-pass gate (LPG) using vactrols, but goes way beyond that providing an adjustable envelope to control the "gate" through an analog filter. Sending a gate or trigger signal into the GATE INPUT will create these envelope shaped sounds you know from other LPGs.Features:• Low-Pass-Gate based on an Analog Filter• Internal Envelope Generator• Adjustable Rise, Decay, Length, Fall Stages• Internal LFO• Gate Level CV• Loop Mode• Re-Trigger Mode• Use the Envelope and LFO with External Modules• Skiff Friendly• Wrong Polarity ProtectionDIY-Kit-Type:Panel/PCB Kit. This is a do-it-yourself panel/PCB kit, no parts are supplied, you will need to source them yourself.
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Sigma is a four-channel gate processor for creating variations on clocks, triggers and rhythmic patterns. Each channel adjusts gate length manually or by CV, from 1 ms to 10 seconds, with an additional mode for indefinitely sustained gates.Four main outputs and four inverted outputs feed a wider rhythm-processing system with 15 additional logic outputs. AND, NAND, OR, NOR and XOR operations act on the length-processed signals, so changing gate duration also changes the resulting patterns. A digital length-processing core and analog logic circuits generate up to 23 simultaneous gate signals from four inputs.Features:• Four gate-length processors with manual and CV control• 1 ms to 10 s gate length plus infinite mode• Four main outputs and four NOT outputs• 15 logic outputs: AND, NAND, OR, NOR and XOR• Logic processing follows gate-length adjustment• Input impedance: 100 kΩ; output impedance: 1 kΩ• Length CV range and output level: 5 Vp-p• Depth: 30 mm including power cableDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.