Teensy SFOC
Teensy SFOC is an open source STM32 PCB design by wgbowley: a 2-layer, 100 × 80 mm board with 19 components (14 distinct parts). It is built around the STM32G431K8TX, LD1117S33, MAX3485. Filed under dev boards & breakouts.
Low-Cost Linear Synchronous Permanent-Magnet Motor Platform
The Teensy SFOC board is a breakout board for the Teensy 4.1 and SimpleFOC Arduino shield, with RS-485/RS-422 support and a secondary encoder input if RS-485 to the armature board cannot be used. It also has a step/dir input for use with standard 3D printer main-boards.
Design notes and implementation decisions are documented in issue #42.
Built around
Parts list
19 components, 14 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32G431K8TX Teensy4.1 | Teensy41 | U1 |
| 1 | LD1117S33 MAX3485 | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | MAX3485 LD1117V33 | SOT-223-3_TabPin2 | U3 |
| 1 | 01X05 01x05 | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | ENC1 |
| 1 | 01X04 01x04 | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | INT1 |
| 2 | 01x02 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | PW1, SD1 |
| 1 | SimpleFOC Sheild | Arduino_UNO_R3 | SFOC1 |
| 2 | 1N4148 | D_SOD-123 | D1, D2 |
| 2 | 1uf | C_1206_3216Metric | C1, C2 |
| 1 | 100NF 100nf | C_1206_3216Metric | C3 |
| 1 | 100nf | C_1206_3216Metric | C4 |
| 2 | 10 | R_1206_3216Metric | R1, R2 |
| 1 | 120 | R_1206_3216Metric | R3 |
| 2 | 1k | R_1206_3216Metric | R4, R5 |
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