FSNS-APPS-2025
About the FSNS-APPS-2025 PCB
FSNS-APPS-2025 is an open source STM32 PCB design by nedrg0, published on GitHub under the MIT license. It is a 2-layer board measuring 89 × 60 mm, with 69 components from 32 distinct parts.
Its main chip is the STM32F103C8T6, from the STM32 family. Other key parts include the MCP6001-OT, LM1117-Q1 and TCAN3404-Q1. By type, the board carries 24 capacitors, 14 resistors, 8 ICs, 7 diodes, 5 connectors and 4 LEDs.
Main components on the FSNS-APPS-2025
FSNS-APPS-2025 bill of materials (BOM)
69 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F103C8T6 | LQFP-48_7x7mm_P0.5mm | U1 |
| 2 | MCP6001-OT | SOT-23-5 | U2, U3 |
| 4 | LM1117-Q1 | SOT-223-3_TabPin2 | U4, U5, U6, U8 |
| 1 | TCAN3404-Q1 | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.95x4.9mm_Mask2.71x3.4mm | U7 |
| 1 | NDT3055L | SOT-223-3_TabPin2 | Q1 |
| 1 | 16MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | Conn_01x04_Pin | CONN_SD-43045-005_04_MOL | J1 |
| 2 | Conn_01x03_Pin | CONN_SD-43650-006_03_MOL | J2, J3 |
| 1 | Conn_01x04_Pin | PinHeader_1x04_P2.54mm_Horizontal | J4 |
| 1 | Conn_01x08_Pin | PinSocket_1x08_P2.54mm_Horizontal | J5 |
| 1 | PR12-12V-360-1A | RELAY_PR12-12V-360-1A | K1 |
| 1 | 100R | R_0402_1005Metric | R_B1 |
| 1 | 330R | R_0402_1005Metric | R_B2 |
| 1 | SW_Push | SW_SPST_B3S-1000 | SW1 |
| 4 | LED | LED_0603_1608Metric | PA6, PA7, PB0, PB1 |
| 2 | D_TVS | D_0603_1608Metric | D1, D2 |
| 1 | D | D_1206_3216Metric | D7 |
| 4 | LED | LED_0603_1608Metric | D8, D9, D10, D11 |
| 1 | 120R | L_0603_1608Metric | FB1 |
| 9 | 100n | C_0402_1005Metric | C1, C2, C3, C4, C9, C12, C13, C14 +1 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 10u | C_0603_1608Metric | C5 |
| 1 | 10n | C_0402_1005Metric | C6 |
| 6 | 1u | C_0603_1608Metric | C7, C8, C16, C18, C20, C23 |
| 2 | 10p | C_0402_1005Metric | C10, C11 |
| 4 | 2.2u | C_0603_1608Metric | C17, C19, C21, C24 |
| 1 | 100n | C_0603_1608Metric | C22 |
| 1 | 10k | R_0402_1005Metric | R1 |
| 8 | 1K | R_0402_1005Metric | R2, R6, R7, R8, R11, R12, R13, R14 |
| 1 | 120R | R_0402_1005Metric | R3 |
| 2 | 4k7 | R_0402_1005Metric | R4, R5 |
| 1 | 100R | R_0603_1608Metric | R9 |
| 1 | 10K | R_0603_1608Metric | R10 |
FSNS-APPS-2025 design files
The KiCad project lives in the nedrg0/FSNS-APPS-2025 repository on GitHub; these links point at the commit this page was built from.
- LayoutFSNS_APPS_2025.kicad_pcb
- SchematicFSNS_APPS_2025.kicad_sch
FSNS-APPS-2025: common questions
What microcontroller does the FSNS-APPS-2025 use?
The FSNS-APPS-2025 is built around the STM32F103C8T6, from the STM32 family.
How big is the FSNS-APPS-2025 PCB?
The FSNS-APPS-2025 measures 89 × 60 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the FSNS-APPS-2025?
69 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the FSNS-APPS-2025 design files?
From the nedrg0/FSNS-APPS-2025 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the FSNS-APPS-2025 design in my own project?
Yes, under the terms of its MIT license, which nedrg0 chose for the repository.
Can I test firmware for the FSNS-APPS-2025 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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