Svelotracker
SL-RU·svelotracker·sch/sch.kicad_pcb
About the Svelotracker PCB
Svelotracker is an open source STM32 PCB design by SL-RU, published on GitHub. It is a 2-layer board measuring 98.6 × 49.8 mm, with 102 components from 60 distinct parts.
Its main chip is the STM32F401RETx, from the STM32 family. Other key parts include the 24C512, 74HC595, LSM303D, ML8088se and GPS_ANTENNA. By type, the board carries 37 capacitors, 22 resistors, 17 ICs, 15 connectors, 3 transistors and 3 inductors.
From the project
Device for bicycle. It will show current position, track, speed, compass, direction to the destination or to start. It can save the track and etc
Main components on the Svelotracker
Svelotracker bill of materials (BOM)
102 components, 60 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 24C512 | SOIC-8-N | U1 |
| 1 | STM32F401RETx | LQFP-64_10x10mm_Pitch0.5mm | U2 |
| 1 | 74HC595 | SOIC-16_3.9x9.9mm_Pitch1.27mm | U3 |
| 1 | LSM303D | LGA-16-3x3 | U4 |
| 1 | ML8088se | ML8088sE | U5 |
| 1 | GPS_ANTENNA | GSP_ANTENNA | U6 |
| 2 | INA138 | SOT-23-5 | U7, U8 |
| 1 | 74LVC1G32 | SOT-353 | U9 |
| 1 | STMPS2141STR | SOT-23-5 | U10 |
| 1 | MCP73123 | DFN-10-1EP_3x3mm_Pitch0.5mm | U11 |
| 1 | LT1613 | SOT-23-5 | U12 |
| 1 | 74LVC1G17 | SOT-353 | U13 |
| 1 | 74LVC2G74 | SSOP8 | U14 |
| 1 | 74LVC1G02 | SOT-23-5 | U15 |
| 1 | NCP1450 | SOT-23-5 | U16 |
| 1 | microSD | DM3D-SF | U17 |
| 2 | Q_PMOS_GSD | SOT-23 | Q1, Q2 |
| 1 | Q_NMOS_DSG | SOT-23 | Q3 |
| 1 | 8MHz | Crystal_SMD_5032_4Pads | Y1 |
| 1 | 32768 | Crystal_Round_Horizontal_2mm | Y2 |
Show 40 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SWD | Pin_Header_Straight_1x03 | P1 |
| 1 | UART | Pin_Header_Straight_1x03 | P2 |
| 1 | usb | Pin_Header_Angled_1x05 | P3 |
| 1 | btns1 | Pin_Header_Straight_1x02 | P4 |
| 1 | Leds_gnd | Pin_Header_Straight_1x02 | P5 |
| 1 | btns2 | Pin_Header_Straight_1x04 | P6 |
| 1 | Leds | Pin_Header_Straight_1x04 | P7 |
| 1 | 3V_bat | Pin_Header_Straight_1x02 | P8 |
| 1 | LCD | Pin_Header_Straight_1x09 | P9 |
| 1 | Button_on | Pin_Header_Straight_1x02 | P10 |
| 1 | LiFePo4 | Pin_Header_Straight_2x02 | P11 |
| 1 | 3.3v | Pin_Header_Straight_2x02 | P12 |
| 1 | SPEAKR | Pin_Header_Straight_1x02 | P13 |
| 1 | RESET | Pin_Header_Straight_1x02 | P14 |
| 1 | GPS_UART0 | Pin_Header_Straight_1x02 | P15 |
| 1 | SW_PUSH | SW_SPST_PTS645 | SW1 |
| 2 | D_Schottky | DO-214AC(SMA) | D1, D2 |
| 3 | INDUCTOR | Choke_SMD_Wuerth-WE-PD2-Typ-L | L1, L2, L3 |
| 4 | 10uF | C_0805 | C1, C24, C31, C34 |
| 12 | 0.1uF | C_0402 | C2, C5, C6, C7, C8, C9, C10, C12 +4 |
| 1 | 1nF | C_0402 | C3 |
| 3 | 4.7uF | C_0805 | C4, C15, C22 |
| 1 | 1uF | C_0805 | C11 |
| 4 | 22pF | C_0805 | C13, C14, C16, C17 |
| 3 | 100uF | C_Radial_D5_L11_P2.5 | C18, C30, C36 |
| 2 | 15uF | C_0805 | C19, C35 |
| 2 | 0.22uF | C_0805 | C20, C29 |
| 2 | 1uF | C_0402 | C21, C23 |
| 1 | 20uF | C_0805 | C28 |
| 1 | 220uF | C_Radial_D5_L11_P2.5 | C32 |
| 1 | 0.2uF | C_0805 | C33 |
| 8 | 5.1k | R_0603 | R1, R2, R3, R4, R14, R16, R22, R23 |
| 1 | 50 | R_0603 | R5 |
| 2 | 330 | R_0603 | R7, R8 |
| 2 | Rl | R_0603 | R11, R15 |
| 4 | 10k | R_0603 | R12, R13, R21, R25 |
| 2 | shunt | R_2010 | R17, R24 |
| 1 | 6.2k | R_0603 | R18 |
| 1 | 2k | R_0805 | R19 |
| 1 | 2.2k | R_0603 | R20 |
Svelotracker design files
The KiCad project lives in the SL-RU/svelotracker repository on GitHub; these links point at the commit this page was built from.
- Layoutsch/sch.kicad_pcb
Svelotracker: common questions
What microcontroller does the Svelotracker use?
The Svelotracker is built around the STM32F401RETx, from the STM32 family.
How big is the Svelotracker PCB?
The Svelotracker measures 98.6 × 49.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Svelotracker?
102 components, from 60 distinct parts. The full bill of materials is listed on this page.
Where can I download the Svelotracker design files?
From the SL-RU/svelotracker repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Svelotracker design in my own project?
The repository has no license, so all rights stay with SL-RU. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Svelotracker 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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