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This notepad is handmade exclusively for us at the iconic papp-o-mania bookbinding workshop in Leipzig-Connewitz, Germany.We love the classic, timeless look of these notepads and the special quality of traditional bookbinding. Through numerous manual steps, paper and cardboard are carefully crafted into a little piece of craftsmanship "Made in Leipzig". The pages are perforated, allowing them to be neatly and easily torn off when needed. As a finishing touch, each notepad is embossed by hand with our logo and signet using a traditional stamping technique.Created to celebrate 10 years of Exploding Shed in October 2026, these notepads were produced in a one-off limited edition especially for the occasion.A lovely little piece of Leipzig craftsmanship – for writing, sketching, capturing ideas or simply falling in love with.
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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.
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Mix Tour is a compact four-channel stereo mixer with volume controls and a stereo output. It brings several stereo signals together in a straightforward Eurorack mixing stage.Features:• Four stereo channels• Volume controls• Stereo outputDIY-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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Goldfinger is a passive desktop matrix mixer played by touching its gold surface. Six bidirectional sockets let you choose how many signals to mix or distribute: use five inputs and one output for mono mixing, four inputs and two outputs for stereo, or one input and five outputs to distribute a signal.Your skin provides the resistance between contacts, so finger position, pressure and movement change the connections. Audio and pulse signals work well; control voltages can also pass through the surface, but less readily. Signal bleed, noise and possible distortion are part of its experimental character. Goldfinger arrives assembled and requires no soldering or power supply.Features• Passive touch-controlled matrix mixer• Six bidirectional sockets• Flexible mono, stereo and signal-distribution patching• Real gold contact surface• Responds to finger position and touch• Desktop format; no Eurorack rack space required• Pre-assembled; no power supply required
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XYZ is a compact chaos generator based on JerkChaos. A single input and three outputs labelled X, Y and Z provide a straightforward interface for exploring chaotic modulation in Eurorack patches.Features:• JerkChaos-based chaos generator• One input• X, Y and Z outputsDIY-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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LFO Bi is a dual low-frequency oscillator with skew and pulse-width controls, restart inputs, and triangle and square outputs. Its two ranges cover slow modulation and faster cycles extending into the audio range. The low range runs from one cycle per minute to one cycle per second; the high range runs from a 1.2-second period up to 40 Hz.Features:• Two LFO channels• Triangle and square outputs• Skew and pulse-width controls• Restart inputs• Low range: 60-second to 1-second period• High range: 1.2-second period to 40 HzDIY-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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VCO 3340 is a 3340-based voltage-controlled oscillator with sine, triangle, sawtooth and square outputs. Pulse-width modulation, hard and soft sync, FM and a volt-per-octave input support a range of oscillator patches. The design focuses on stable operation and straightforward assembly and calibration. Available as a full DIY kit or as an assembled module.Features:• 3340-based VCO• Sine, triangle, sawtooth and square outputs• Pulse-width modulation• Hard and soft sync• FM input• 1 V/octave inputDIY-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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Slooper is a versatile modulation source. At its core is a slew limiter, which can also be used as an envelope, LFO or crude VCF.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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Over Feed combines four overdrive channels inspired by DIY guitar effects. Each channel has its own input and output, and a summed output combines all four channels. Use the channels separately for saturation or connect them in feedback patches for more extreme processing.Features:• Four overdrive channels• Independent input and output per channel• Summed output of all four channels• Suitable for saturation and feedback patchesDIY-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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One VCF is a CEM3320-based low-pass filter with a 24 dB-per-octave slope. Its compact design provides a straightforward filtering stage for Eurorack patches. The manufacturer describes the design as simple to build.Features:• Low-pass filter• 24 dB/octave slope• CEM3320-based circuitDIY-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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MINI VCA packs four voltage-controlled amplifiers into a compact Eurorack module. Based on the 3360 VCA circuit, it provides separate outputs for the four channels, allowing signals to be controlled and routed individually.Features:• Four VCA channels• 3360-based circuit• Individual channel outputsDIY-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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Ocelot combines an electroacoustic interface with a compact monitoring station for portable Eurorack systems. Mix two mono signals and a stereo auxiliary source, then listen through the built-in speaker, headphones or balanced stereo outputs. Separate controls set the master, headphone and speaker levels.A built-in contact piezo feeds the mono inputs when no cables are connected and also has a dedicated output. Use it to capture physical interaction with the module, or explore electroacoustic feedback between the piezo and the internal speaker. A direct input overrides the speaker feed, while a rear header provides integration with Jolin Singoli.Features:• Four-input mixer: two mono inputs with level controls and one stereo auxiliary input• Built-in speaker with separate volume control and direct override input (C)• Contact piezo normalized to mono inputs, with dedicated output (O)• Balanced left and right outputs with master volume control• Headphone driver with independent volume control (P)• Electroacoustic feedback between speaker and piezo• Rear connection header for Singoli• Reverse power protectionDIY-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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Anti Logic combines two gate signals using AND, OR and exclusive OR logic, with inverted versions of all three functions. Use the six logic operations to derive new gate patterns from existing signals in your Eurorack patch.Features:• AND, OR and XOR logic• Inverted NAND, NOR and XNOR functions• Two-input logical operationsDIY-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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Clock Divider provides an internal clock, a reset function and clock divisions from 2 to 512. Use it to derive slower timing signals and coordinate different parts of a rhythmic Eurorack patch.Features:• Internal clock• Clock divisions from 2 to 512• Reset functionDIY-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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Dual FM OSC combines two oscillators with square and triangle waveforms, frequency modulation inputs and a summed mix output. It provides a compact starting point for FM experiments and layered oscillator patches.Features:• Two oscillators• Square and triangle waveforms• FM inputs• Summed mix outputDIY-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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VOLT55 + Shield combines a compact USB-C-powered Eurorack power supply with a filtered distribution busboard. Available as VOLT55 S, M or L, the system provides isolated power rails for studio, stage and portable setups using a compatible USB-C PD adapter or power bank. The Shield offers 28 module connectors in separate analog and digital zones to reduce interference, and additional Shields can be daisy-chained. Three front-panel USB-A ports supply external devices and share the +5V rail with your modules.Choose the capacity that suits your system:VOLT55 S: +12V 2500mA / -12V 1250mA / +5V 2000mA.VOLT55 M: +12V 4000mA / -12V 2500mA / +5V 2000mA.VOLT55 L: +12V 5000mA / -12V 2500mA / +5V 2000mA.S requires a USB-C PD source rated for at least 65W at 20V/3.25A; M and L require at least 100W at 20V/5A. The external power source is not included.Features:• USB-C Power Delivery 3.0 input• Isolated power conversion and filtered distribution• 28 Shield connectors in analog/digital zones• Daisy-chain expansion with additional Shields• Three USB-A power outputs sharing the +5V rail• Soft-start; voltage, current, short-circuit and temperature protection• Shield connection cable and six adhesive feet included
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Shield is a filtered Eurorack power distribution busboard for the Black Noise Modular VOLT55 ecosystem. Its connectors are divided into separate analog and digital zones to reduce noise passing from digital modules into the analog signal path. Multiple boards can be daisy-chained to expand a system. This is the assembled version, supplied with a connection cable and six adhesive mounting feet. First-generation VOLT55 units require a dedicated compatibility cable.Features• 28 filtered module power connectors• Separate zones for analog and digital modules• Daisy-chain connection for additional busboards• Designed for VOLT55 power supplies• Board dimensions: 245 × 65 mm; height: 12 mm• Connection cable and six adhesive mounting feet included• Assembled version
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Ether is an analog stereo output module that connects a Eurorack system to mixers, audio interfaces, active speakers, recorders and effects pedals. It converts modular audio to line level through balanced 6.35 mm TRS outputs. A separate stereo headphone output has its own volume control for monitoring during recording and live performance. Its compact, transformerless circuit is inspired by vintage French military radio equipment and adapted for modern components.Features• Stereo inputs with left-to-right mono normalization• Two balanced 6.35 mm TRS line outputs• Dedicated 6.35 mm stereo headphone output• Independent main and headphone volume controls• Two input-level LEDs• Fully analog, transformerless circuit• 20 Hz–20 kHz frequency response• 0.03% THD+N; signal-to-noise ratio above 120 dB• Beginner-friendly DIY kit with pre-soldered SMD componentsDIY-Kit-TypeSMD-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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A spare adapter PCB for potentiometers or jack sockets used with the Erica Synths EDU DIY Labor prototyping platform. It provides the mounting and electrical interface needed to connect a suitable control or socket to Labor’s modular interfacing section. The PCB is supplied separately; the desired component and pin headers must be fitted and soldered as described in the Labor manual.Features• Spare potentiometer/jack socket adapter PCB• Designed for EDU DIY Labor’s modular interfacing section• PCB only• Component and connector soldering required• Assembly instructions in the Labor manual
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An illustrated book that explains how to design a shift register-based drum sequencer from scratch. Starting with a single-button tap looper, it develops a rhythm composer with a clear button, metronome LED, accent and pitch CV outputs. Schematics, breadboard layouts and practical design challenges explain each stage. Based on the EDU DIY Drum Sequencer documentation, the book also covers assembly, troubleshooting, patching and circuit modifications. Experiments can use LABOR or a standard breadboard with a dual power supply or two 9V batteries. Electronic components are sourced separately.Features• Step-by-step shift register-based sequencer design• Schematics, breadboard layouts and browser-based simulations• Practical circuit design challenges• EDU DIY Drum Sequencer assembly and troubleshooting• Beat programming, LFO-based accents and melodic sequences• Modifications for tempo range, accent feel and melody conversion• Printed guide; electronic components are separate