Pi Pico RP2040 Custom PCB
RP2040 Custom PCB Kit – Solder Your Own Pico-Compatible Board with USB-C and Full I/O
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Place a 0.4 mm pitch RP2040 QFN chip by hand, drag-solder it into a custom PCB, then populate the through-hole components that turn it into a fully functional microcontroller board. This isn't a pre-assembled module you drop into a breadboard — it’s the bare PCB, the exact IC from the Raspberry Pi Pico, the passives, a USB‑C connector, and everything you need to build a compact, programmable RP2040 system that works straight away with the Arduino IDE or MicroPython.
What You'll Build
You’ll create a standalone RP2040 development board with a modern USB‑C port for power and data, a tactile reset button, a user/program button, an on‑board LED on GPIO25, and a dedicated I2C breakout header. The finished board runs C/C++ SDK firmware or MicroPython exactly like a commercial Pico, but with a form factor and silkscreen you soldered yourself — ideal for embedding into a project that needs a minimal‑footprint controller.
What You'll Learn
- Drag‑solder a 0.4 mm pitch QFN56 package without hot air, using flux and a fine‑tipped iron
- Build a crystal oscillator circuit and connect external flash to an RP2040 exactly as the reference design specifies
- Test and debug a custom USB‑C bootloader interface, verify enumeration, and upload firmware
- Translate schematic pages into a physical board and avoid common assembly pitfalls like solder bridges and tombstoning
Kit Contents
| Component | Quantity |
|---|---|
| RP2040 QFN Chip | 1 |
| 12MHz Crystal | 1 |
| W25Q16 Flash | 1 |
| 100nF Caps | 20 |
| 10µF Caps | 4 |
| 27Ω Resistors | 5 |
| USB-C Connector | 1 |
| Custom PCB | 1 |
| Soldering Iron Fine Tip | 1 |
| Solder Wire | 1 |
| Flux Pen | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part against the RP2040 datasheet | Pre-tested as a system, exact BOM matched to the PCB footprint |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging, possibly fried chips | Hours, with step-by-step guidance and a known‑good design |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Advanced hobbyists who have already assembled through‑hole kits and want to step into QFN soldering. B.Tech ECE/EEE students at IITs, NITs, VIT, and BITS Pilani who need real PCB‑assembly experience on their transcript. Teams preparing for Smart India Hackathon who must build robust custom hardware fast. CBSE Class 11‑12 students in ATL Tinkering Labs who have mastered basic soldering and crave a genuine engineering challenge.
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.
I’ve only soldered through‑hole before. Can I really hand‑solder a QFN?
Absolutely. The custom PCB includes elongated pads and solder‑mask dams to minimize bridging. Our AI companion walks you through the drag‑soldering technique with close‑up video guidance, and you can practice on the spare pads before committing. With the included flux pen and fine solder wire, most builders achieve success on their first attempt.
What if my board doesn’t show up as a USB drive after soldering?
First, the AI companion will help you run a visual inspection for bridges, check the crystal connection, and verify the USB‑C connector orientation. If needed, you can send photos via WhatsApp and an engineer will guide you through reflowing the RP2040 or replacing the flash chip. We stand behind the design and all components.
Can I use this board exactly like a Raspberry Pi Pico?
Yes. Once assembled, the board behaves identically—the bootloader button lets you enter mass‑storage mode, and you can program it with C/C++ SDK or MicroPython. The USB‑C port provides more robust connectivity than micro‑USB, and the I2C header makes it easy to attach sensors without splitting a breadboard rail.
Is it repairable if I make a mistake?
Because the board uses a full‑size QFN footprint with extended pads, you can often clean up bridges with the flux pen and a fresh swipe of the iron. If a passive part is damaged, the kit includes extra 100nF capacitors and resistors beyond the exact count so you have spares. Serious damage to the RP2040 is rare, but a second PCB is available separately if needed.
Custom RP2040 board with USB-C, reset, user button, LED and I2C header. All through-hole except RP2040.
What's in this kit
- RP2040 QFN Chip
- 12MHz Crystal
- W25Q16 Flash
- 100nF Caps x20
- 10µF Caps x4
- 27Ω Resistors x5
- USB-C Connector
- Custom PCB
- Soldering Iron Fine Tip
- Solder Wire
- Flux Pen
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.
Ask Soldr above what you can build with this — it knows every Compoden kit this part appears in.
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