
Alarm
bbokser/persuasive_waker
An open source hardware alarm clock that can't be snoozed or turned off.

The WP424IDT is a LED Indication Discrete made by Kingbright in a 插件,D=3mm package with 2 pins. -40℃~+85℃ 10mA 140° 2.3V 3mm cylindrical lamp head 617nm 627nm 6mcd 75mW Frosted Red Lens Red 插件,D=3mm LED Indication - Discrete ROHS.
PCBKit's library has its KiCad symbol (Device:LED, from KiCad's library) and its footprint (EasyEDA_Cloud:CAP-TH_L3.8-W3.1-P2.54-D0.5, from EasyEDA), ready for a KiCad board. 72 are in stock at JLCPCB (part C5878956). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |

bbokser/persuasive_waker
An open source hardware alarm clock that can't be snoozed or turned off.

<iframe src="https://pcbkit.io/embed/parts/kingbright/WP424IDT" title="WP424IDT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/kingbright/WP424IDT.jpg" alt="WP424IDT" width="1200" height="900">[](https://pcbkit.io/parts/kingbright/WP424IDT)Yes. The symbol is Device:LED and the footprint EasyEDA_Cloud:CAP-TH_L3.8-W3.1-P2.54-D0.5, both drawn on this page. PCBKit places them on a board for you when you design with it.
插件,D=3mm, with 2 pins. Its footprint is drawn on this page.
Kingbright publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C5878956, with 72 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the LTL-1LHGK-002A by Lite-On, the WP424YDT by Kingbright, the L513IT by PARALIGHT and the HV-31210/260/SUG-U1930 by Harvatek. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.