Modular CV Gate Sequencer Kit with Arduino Mega + LED
Build a 16-Step CV/Gate Eurorack Sequencer with Arduino Mega
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Bring fully programmable, hands-on sequencing into your Eurorack rig with a module you wire and code yourself. This kit turns an Arduino Mega into a 16-step sequencer that outputs clean 0–5 V control voltages and gate triggers, letting you drive oscillators, filters, and envelopes with nothing more than two rotary encoders and a bank of backlit step buttons. It’s built for the hobbyist who wants a custom, tactile interface that no off-the-shelf module can match — a perfect gateway into audio electronics and real-time embedded C++.
What You'll Build
A standalone Eurorack sequencer module powered by the Arduino Mega and a MCP4728 quad DAC for 12‑bit precision. Sixteen tactile buttons with matching 5 mm LEDs give you instant gate-on/gate-off control per step, while dual rotary encoders let you scroll through positions and dial in CV values — all reflected on a crisp 0.96‑inch OLED. The finished module mounts inside the included enclosure, accepts 12 V from your Eurorack PSU, and delivers rock‑solid CV/gate signals from four 3.5 mm TS jacks directly into your patch bay.
What You'll Learn
- Writing Arduino code to drive a quad-channel 12-bit DAC for audio-rate CV generation
- Implementing a rotary encoder-based user interface with debouncing and menu navigation
- Designing a 16-step sequencer state machine with pattern memory
- Assembling and troubleshooting a Eurorack-compatible circuit from schematic to enclosure
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| MCP4728 Quad DAC | 1 |
| Rotary Encoder | 2 |
| Tactile Button | 16 |
| 5mm LED | 16 |
| 0.96in OLED | 1 |
| 10kΩ Resistors | 20 |
| 100nF Caps | 15 |
| 3.5mm TS Jack | 4 |
| PCB Prototype Board | 3 |
| Enclosure Box | 1 |
| 12V Eurorack PSU Header | 1 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Ideal for B.Tech ECE/EEE students working on real‑time embedded audio projects, Smart India Hackathon teams tackling music technology prototypes, and India’s growing community of Eurorack builders. If you’ve ever wanted to add a custom sequencer to your modular rack — designed, coded, and soldered with your own hands — this kit gives you the roadmap and every part you need.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
The kit includes a QR code to our AI build companion trained on this exact sequencer project; if you need human help, our support team is available via WhatsApp.
Can I modify the sequencer pattern length or CV range?
Yes, the Arduino code is fully open-source. You can adjust step counts, clock division, gate polarity, and CV mapping — the AI companion can even help you implement those changes.
Will this module fit in a standard Eurorack case?
Absolutely. The enclosure conforms to the 3U height standard (128.5 mm) and includes a mounting bracket that aligns with standard Eurorack rails and the 12 V power header.
Do I need prior experience with Arduino and soldering?
This is an advanced kit, so you should be comfortable soldering through‑hole components and uploading Arduino sketches. The AI companion walks you through every step in detail, but familiarity with a multimeter and schematics will make the 8‑10 hour build smooth.
Arduino generates 0-5V CV and gate signals for Eurorack modular synths. 16-step sequencer with rotary encoder UI.
What's in this kit
- Arduino Mega 2560
- MCP4728 Quad DAC
- Rotary Encoder x2
- Tactile Button x16
- 5mm LED x16
- 0.96in OLED
- 10kΩ Resistors x20
- 100nF Caps x15
- 3.5mm TS Jack x4
- PCB Prototype Board x3
- Enclosure Box
- 12V Eurorack PSU Header
- Soldering Iron
- Solder Wire
Choose your assembly option:
- Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
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Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items