
Wireless Stepper Motor Controller
Circuit-Digest/Wireless-Stepper-Motor-Controller
The Wireless Stepper Driver is a compact and efficient motion control system designed to control stepper motors over Wi-Fi.

The SMF40A is an uncategorised made by TECH PUBLIC in a SOD-123FL package with 2 pins. SOD-123FL ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (Diode:SMF40A, from KiCad's library) and its footprint (Diode_SMD:D_SMF, from KiCad's library), ready for a KiCad board. 7,781 are in stock at JLCPCB (part C54194924). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |

Circuit-Digest/Wireless-Stepper-Motor-Controller
The Wireless Stepper Driver is a compact and efficient motion control system designed to control stepper motors over Wi-Fi.
<iframe src="https://pcbkit.io/embed/parts/tech-public/SMF40A" title="SMF40A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/tech-public/SMF40A.jpg" alt="SMF40A" width="1200" height="900">[](https://pcbkit.io/parts/tech-public/SMF40A)Yes. The symbol is Diode:SMF40A and the footprint Diode_SMD:D_SMF, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOD-123FL, with 2 pins. Its footprint is drawn on this page.
JLCPCB lists it as part C54194924, with 7,781 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the SMF40A by YTL, the SMF40A by hongjiacheng, the SMF40A by Zhengxin and the SMF40A by MDM. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.