Pi Pico Compact Synth Kit - 8-Voice Polyphonic Pocket Synth
Pi Pico Compact Synth: An 8-Voice Polyphonic Pocket Synthesizer Kit
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Turn a Raspberry Pi Pico into a fully playable polyphonic synthesizer that fits in your palm. Touch copper pads to play notes, compose melodies with 8 simultaneous voices, and carry your custom musical instrument anywhere. This kit blends coding, electronics, and music creation into a weekend build.
What You'll Build
You'll assemble a portable synthesizer that produces rich, 8-voice polyphonic sound through a built-in speaker. The capacitive touch interface responds to your fingers, turning a simple PCB into a performance instrument. Finished unit is encased in an ABS box, ready to plug in and play.
What You'll Learn
- Program the Raspberry Pi Pico in MicroPython to generate polyphonic audio over I2S protocol
- Wire and configure the PCM5102A I2S DAC for high-quality digital-to-analog audio conversion
- Design capacitive touch sensors using copper tape and 1M? pull-up resistors
- Amplify and filter audio signals using the PAM8403 amplifier and basic RC filters
Kit Contents
| Component | Quantity |
|---|---|
| Raspberry Pi Pico | 1 |
| PCM5102A I2S DAC | 1 |
| Copper Tape | 12 pieces |
| 1M? Resistors | 12 |
| PAM8403 Amplifier | 1 |
| 3W 8? Speaker | 1 |
| 100nF Capacitors | 5 |
| PCB Prototype Board | 2 |
| ABS Enclosure Box | 1 |
| Micro USB Cable | 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 for I2S timing and touch sensitivity | Pre-tested as a system; DAC, resistors, and tape are paired for stable 8-voice output |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project; step-by-step guidance on soldering and code setup |
| Time to first working build | Days of debugging audio glitches and touch jitter | 4-5 hours with clear instructions and pre-validated components |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Ideal for CBSE Class 11-12 students exploring practical electronics and coding, B.Tech ECE/EEE students looking for a hands-on embedded audio project, and makers at ATL Tinkering Labs or hackathons who want to combine music with microcontrollers.
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?
Scan the QR code to access the AI build companion that knows every wire and line of code, or message us on WhatsApp for direct help.
Do I need prior soldering experience?
No. The kit includes a soldering iron and wire, and the AI companion provides close-up visual guidance. Beginners usually complete the solder joints within the first hour.
Can I compose my own melodies?
Absolutely. The touch pads can be programmed to play any note; sample code includes a basic 8-voice polyphonic engine you can customize with your own scales and songs.
Is the kit portable after assembly?
Yes. It is powered via micro USB, fits into the included ABS enclosure, and has a built-in speaker. The result is a pocket-sized synth you can take anywhere to play and share your music.
Pi Pico generates 8-voice polyphonic audio via I2S DAC. Capacitive touch pads play notes. Pocket synth.
What's in this kit
- Raspberry Pi Pico
- PCM5102A I2S DAC
- Copper Tape x12
- 1M? Resistors x12
- PAM8403 Amp
- 3W 8? Speaker
- 100nF Caps x5
- PCB Prototype Board x2
- ABS Enclosure Box
- Micro USB Cable
- 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