
Motorized faders
Ilosariph/motorized-faders
RP2040 board (Pico-clone with RTL8720DN WiFi — GP4/GP5 not exposed) + TB6612FNG motor drivers + Alps motorized faders.
OmronExtended
-25℃~+70℃ 1.3N 12mm 12mm 24V 3 million cycles 50mA 7.3mm PC Pin Rectangular Button SPST-NO Through Hole Plugin-4P,12x12mm Tactile Switches ROHS
The B3F-4050 is a tactile Switche made by Omron in a 插件-4P,12x12mm package with 4 pins. -25℃~+70℃ 1.3N 12mm 12mm 24V 3 million cycles 50mA 7.3mm PC Pin Rectangular Button SPST-NO Through Hole Plugin-4P,12x12mm Tactile Switches ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Pro:B3F-4050, from EasyEDA Pro) and its footprint (EasyEDA_Cloud:KEY-TH_4P-L12.0-W12.0-P5.00-LS13.4-EH, from EasyEDA), ready for a KiCad board. 6,865 are in stock at JLCPCB (part C86707). 6 open-source boards in 6 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | 2 | Unspecified |
| 3 | 3 | Unspecified |
| 4 | 4 | Unspecified |

Ilosariph/motorized-faders
RP2040 board (Pico-clone with RTL8720DN WiFi — GP4/GP5 not exposed) + TB6612FNG motor drivers + Alps motorized faders.

justinjchae/poko
Poko: a phone-free MagSafe companion. nRF52840 + Zephyr, round display, haptic ring, voice memos, iPhone app, parametric CAD, KiCad.

Rithvik-Vadlamani/kvm-switch
Four-layer HDMI/USB KVM design with STM32 firmware, supply supervision, and verification evidence

vekkuli/chess_clock
This repo contains design and fabrication files for my DIY chess clock project. The main components in the design are

ZeusyBoy98/HexiLux
A custom open-source smart lighting solution, using tiling hexagonal panels. Featuring music sync and home assistant compatibility.

Yes. The symbol is EasyEDA_Pro:B3F-4050 and the footprint EasyEDA_Cloud:KEY-TH_4P-L12.0-W12.0-P5.00-LS13.4-EH, both drawn on this page. PCBKit places them on a board for you when you design with it.
插件-4P,12x12mm, with 4 pins. Its footprint is drawn on this page.
Omron publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C86707, with 6,865 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the B3W-4055 by Omron. Check their datasheets: a part that fits the footprint may still differ in its ratings.
6 boards in 6 repositories on GitHub; the most starred are listed on this page, with their KiCad files.