Waffle Mini v0
About the Waffle Mini v0 PCB
Waffle Mini v0 is an open source PCB design by 4n3m4i1, published on GitHub under the BSD-3-Clause license. It is a 4-layer board measuring 35.6 × 17.8 mm, with 47 components from 17 distinct parts.
Other key parts include the C2040, C191253 and C5446. By type, the board carries 28 connectors, 9 capacitors, 5 resistors, 3 ICs, 1 crystal and 1 jumper.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
MCU Development Boards for Deeply Embedded Industrial Control Applications
The Waffle Mini specifically is based around the F2800154QRHBRQ1 SKU with a minimal amount of GPIO, however for smaller control applications this is acceptable.
Main components on the Waffle Mini v0
Waffle Mini v0 bill of materials (BOM)
47 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C2040 F2800154QRHBRQ1 | VQFN-32-1EP_5x5mm_P0.5mm_EP3.15x3.15mm | U1 |
| 1 | C191253 AP7375-33SA-7 | SOT-23-3 | U2 |
| 1 | C5446 TCAN337 | SOT-23-8 | U3 |
| 1 | SG-210STF10.0000ML0 | Oscillator_SMD_SeikoEpson_SG210-4Pin_2.5x2.0mm | X2 |
| 28 | Conn_01x01_Socket | ICDB_Castellated_Pad | J2, J3, J4, J5, J6, J7, J8, J9 +20 |
| 1 | SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 1 | C307331 1u | C_0805_2012Metric | C2 |
| 3 | C12530 100n | C_0603_1608Metric | C3, C4, C9 |
| 1 | C12530 10u | C_0805_2012Metric | C5 |
| 1 | C307331 10u | C_0805_2012Metric | C6 |
| 1 | C1562 100n | C_0603_1608Metric | C7 |
| 1 | C307331 10u | C_1210_3225Metric | C10 |
| 1 | C12530 10n | C_0603_1608Metric | C11 |
| 1 | C11702 4k7 | R_0603_1608Metric | R2 |
| 2 | C25092 4k7 | R_0603_1608Metric | R3, R4 |
| 1 | C25104 120R | R_0805_2012Metric | R5 |
| 1 | 4k7 | R_0603_1608Metric | R6 |
Waffle Mini v0 design files
The KiCad project lives in the 4n3m4i1/Industrial_Control_Dev_Boards repository on GitHub; these links point at the commit this page was built from.
Waffle Mini v0: common questions
How big is the Waffle Mini v0 PCB?
The Waffle Mini v0 measures 35.6 × 17.8 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Waffle Mini v0?
47 components, from 17 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Waffle Mini v0 design files?
From the 4n3m4i1/Industrial_Control_Dev_Boards repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Waffle Mini v0 design in my own project?
Yes, under the terms of its BSD-3-Clause license, which 4n3m4i1 chose for the repository.
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