Stencil
About the Stencil PCB
Stencil is an open source RP2040/RP2350 PCB design by Bergi84, published on GitHub. It is a 4-layer board measuring 259.1 × 177.8 mm, with 156 components from 72 distinct parts.
Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q16JVUXIQ, MCP6001R, AP63357Q, 74AUC2G86 and DRV8231ADSGR. By type, the board carries 52 capacitors, 45 resistors, 20 ICs, 19 connectors, 7 diodes and 7 inductors.
Main components on the Stencil
Stencil bill of materials (BOM)
156 components, 72 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | W25Q16JVUXIQ | DFN-8-1EP_3x2mm_P0.5mm_EP0.3x1.6mm | U1 |
| 1 | RP2040 | QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U2 |
| 2 | MCP6001R | SOT-23-5 | U3, U5 |
| 1 | AP63357Q | V-DFN3020-13 | U4 |
| 1 | 74AUC2G86 | VSSOP-8_2.3x2mm_P0.5mm | U6 |
| 1 | DRV8231ADSGR | WSON-8-1EP_2x2mm_P0.5mm_EP0.9x1.6mm | U7 |
| 1 | CP2102N-Axx-xQFN24 | QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U8 |
| 2 | 74AUC2G66 | VSSOP-8_2.3x2mm_P0.5mm | U9, U10 |
| 1 | TLV9002S | Texas_S-X2QFN-10 | U11 |
| 1 | MCP4011-xxxxMS | MSOP-8_3x3mm_P0.65mm | U12 |
| 6 | ULN2003F12 | DFN-10-1EP_3x3mm_P0.5mm_EP1.7x2.5mm | U13, U14, U17, U18, U19, U20 |
| 2 | 74HC595 | TSSOP-16_4.4x5mm_P0.65mm | U15, U16 |
| 2 | MMBT3904LP | Diodes_DFN1006-3 | Q1, Q2 |
| 1 | 12Mhz | Crystal_SMD_2520-4Pin_2.5x2.0mm | Y1 |
| 1 | Crystal | Crystal_SMD_2012-2Pin_2.0x1.2mm | Y2 |
| 1 | USB_B_Micro | USB_Micro-B_GCT_USB3076-30-A | J1 |
| 1 | Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J2 |
| 4 | Conn_01x03 | Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J3, J4, J6, J8 |
| 1 | Conn_01x03 | JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J5 |
| 1 | Conn_01x02 | JST_EH_S2B-EH_1x02_P2.50mm_Horizontal | J7 |
Show 52 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_01x02 | JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical | J9 |
| 1 | Conn_01x04 | JST_EH_B4B-EH-A_1x04_P2.50mm_Vertical | J10 |
| 2 | Conn_01x02 | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J11, J13 |
| 7 | Conn_01x05 | JST_EH_B5B-EH-A_1x05_P2.50mm_Vertical | J12, J14, J15, J16, J17, J18, J19 |
| 1 | Battery_Cell | BatteryHolder_Keystone_3034_1x20mm | BT1 |
| 1 | SW_Push | SW_Push_1P1T_NO_6x6mm_H9.5mm | SW1 |
| 2 | BAT54W | D_SOD-323 | D1, D4 |
| 3 | Green | LED_0603_1608Metric | D2, D3, D5 |
| 1 | Yellow | LED_0603_1608Metric | D6 |
| 1 | 3V3 | D_SOD-323 | D25 |
| 1 | 15µ | L_Taiyo-Yuden_NR-50xx | L1 |
| 2 | 4.7u | L_1008_2520Metric | L2, L4 |
| 1 | 600R | L_0603_1608Metric | L3 |
| 3 | 33µ | L_12x12mm_H8mm | L5, L6, L7 |
| 1 | 12p | C_0603_1608Metric | C1 |
| 1 | 100n | C_0402_1005Metric | C2 |
| 19 | 100nF | C_0603_1608Metric | C3, C4, C7, C8, C17, C18, C20, C25 +11 |
| 4 | 10µ | C_1210_3225Metric | C5, C6, C14, C34 |
| 3 | 100µ | CP_Radial_D6.3mm_P2.50mm | C9, C10, C35 |
| 4 | DNP | C_0603_1608Metric | C11, C15, C26, C28 |
| 1 | 100nF | C_0402_1005Metric | C12 |
| 1 | 3.3n | C_0603_1608Metric | C13 |
| 1 | 100n | C_0603_1608Metric | C16 |
| 8 | 22µ | C_1206_3216Metric | C19, C22, C31, C33, C45, C46, C49, C50 |
| 6 | 1µF | C_0603_1608Metric | C21, C23, C32, C37, C40, C52 |
| 1 | 10p | C_0603_1608Metric | C24 |
| 2 | 100p | C_0603_1608Metric | C30, C38 |
| 1 | 0R18 | R_0603_1608Metric | R1 |
| 3 | 27 | R_0603_1608Metric | R2, R3, R5 |
| 1 | 24k | R_0603_1608Metric | R4 |
| 1 | 0R | R_0603_1608Metric | R6 |
| 6 | 1k | R_0603_1608Metric | R7, R8, R14, R24, R33, R34 |
| 1 | 5.6k | R_0603_1608Metric | R9 |
| 2 | 470R | R_0603_1608Metric | R10, R11 |
| 5 | 100k | R_0603_1608Metric | R12, R13, R16, R25, R29 |
| 7 | 10k | R_0603_1608Metric | R15, R20, R22, R30, R40, R41, R42 |
| 1 | 1M | R_0603_1608Metric | R17 |
| 2 | 30k | R_0603_1608Metric | R18, R32 |
| 1 | 38k | R_0603_1608Metric | R19 |
| 1 | 157k | R_0603_1608Metric | R21 |
| 1 | 1M | L_0603_1608Metric | R23 |
| 1 | 91k | R_0603_1608Metric | R26 |
| 1 | 50R | R_0603_1608Metric | R27 |
| 1 | 470 | R_0603_1608Metric | R28 |
| 1 | 1.1k | R_0603_1608Metric | R31 |
| 1 | 10R | R_0603_1608Metric | R35 |
| 1 | 20R | R_0603_1608Metric | R36 |
| 1 | 18k | R_0603_1608Metric | R37 |
| 1 | 22k | R_0603_1608Metric | R38 |
| 1 | 47k | R_0603_1608Metric | R39 |
| 1 | 0R | L_0603_1608Metric | R43 |
| 2 | 1R | L_0603_1608Metric | R44, R45 |
Stencil design files
The KiCad project lives in the Bergi84/GrowOMatic repository on GitHub; these links point at the commit this page was built from.
Stencil: common questions
What microcontroller does the Stencil use?
The Stencil is built around the RP2040, from the RP2040/RP2350 family.
How big is the Stencil PCB?
The Stencil measures 259.1 × 177.8 mm, has 4 copper layers and is 4.69 mm thick.
How many components are on the Stencil?
156 components, from 72 distinct parts. The full bill of materials is listed on this page.
Where can I download the Stencil design files?
From the Bergi84/GrowOMatic repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Stencil design in my own project?
The repository has no license, so all rights stay with Bergi84. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Stencil without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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