Alpakka
stormbots·MarketingBot·ControllerPCB/projects/alpakka/alpakka.kicad_pcb
About the Alpakka PCB
Alpakka is an open source PCB design by stormbots, published on GitHub. It is a 2-layer board measuring 130 × 51 mm, with 76 components from 32 distinct parts.
Other key parts include the Alpsalpine_RKJXV, Alpsalpine_EC10E, Alpsalpine_RKJXM, NXP_PCAL6416A and ST_LSM6. By type, the board carries 30 test points, 19 switches, 7 ICs, 6 capacitors, 5 connectors and 5 resistors.
From the project
Alpakka controller Printed Circuit Board reference design
Alpakka controller Printed Circuit Board reference design
- Open .kicadsch file in Schematics editor. - Go to menu Tools → Edit symbol fields - Group by field Group - Change id references (LCSC id` for JLCPCB).
- After loading the PCB project: Edit → Fill all zones. - Before saving the PCB project: Edit → Unfill all zones.

Main components on the Alpakka
Alpakka bill of materials (BOM)
76 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Alpsalpine_RKJXV | Alpsalpine_RKJXV122400R | U2 |
| 1 | Alpsalpine_EC10E | Alpsalpine_EC10E | U3 |
| 1 | Alpsalpine_RKJXM | Alpsalpine_RKJXM1015004 | U4 |
| 2 | NXP_PCAL6416A | QFN24 | U6, U8 |
| 2 | ST_LSM6 | LGA14 | U10, U12 |
| 2 | Conn_02x16_Counter_Clockwise | PinHeader_2x16_P2.54mm_Vertical_SMD | J1, J5 |
| 2 | Conn_02x12_Counter_Clockwise | PinHeader_2x12_P2.54mm_Vertical_SMD | J2, J4 |
| 1 | Endpoint | HRO_BC-25-3P | P2 |
| 1 | down | Alpsalpine_SKPM | S1 |
| 1 | right | Alpsalpine_SKPM | S2 |
| 1 | left | Alpsalpine_SKPM | S3 |
| 1 | up | Alpsalpine_SKPM | S4 |
| 1 | a | Alpsalpine_SKPM | S5 |
| 1 | b | Alpsalpine_SKPM | S6 |
| 1 | x | Alpsalpine_SKPM | S7 |
| 1 | y | Alpsalpine_SKPM | S8 |
| 1 | select_1 | Alpsalpine_SKPM | S9 |
| 1 | start_1 | Alpsalpine_SKPM | S10 |
| 1 | select_2 | Alpsalpine_SKPM | S11 |
| 1 | start_2 | Alpsalpine_SKPM | S12 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | home | Alpsalpine_SKPM | S14 |
| 1 | l1 | Alpsalpine_SKHHL | S15 |
| 1 | r1 | Alpsalpine_SKHHL | S16 |
| 1 | l2 | Alpsalpine_SKQG | S17 |
| 1 | r2 | Alpsalpine_SKQG | S18 |
| 1 | l4 | Alpsalpine_SKQG | S19 |
| 1 | r4 | Alpsalpine_SKQG | S20 |
| 30 | Endpoint | Pad_1mm | TP3, TP4, TP5, TP6, TP7, TP9, TP10, TP11 +22 |
| 4 | Diode | 0603_d | D1, D2, D3, D4 |
| 6 | C | 0402 | C1, C2, C3, C4, C5, C6 |
| 4 | R | 0603 | R1, R2, R3, R4 |
| 1 | R6 | 0402 | R6 |
Alpakka design files
The KiCad project lives in the stormbots/MarketingBot repository on GitHub; these links point at the commit this page was built from.
Alpakka: common questions
How big is the Alpakka PCB?
The Alpakka measures 130 × 51 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alpakka?
76 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the Alpakka design files?
From the stormbots/MarketingBot repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Alpakka design in my own project?
The repository has no license, so all rights stay with stormbots. Use it as a reference, and ask the author before reusing the design.