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john0312/hitcon-pcb-badge
execute fw/merge.py to merge STM32CubeIDE generated main.c with user code in main.cc into main.cc.

The 74HC238D is a signal Switches, Multiplexers, Decoder made by MDD in a SOP-16 package with 16 pins. SOP-16 Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC238, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 2,381 are in stock at JLCPCB (part C56242459). 69 open-source boards in 50 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | A2 | Input |
| 4 | E1 | Input |
| 5 | E2 | Input |
| 6 | E3 | Input |
| 7 | Y7 | Output |
| 8 | GND | Power in |
| 9 | Y6 | Output |
| 10 | Y5 | Output |
| 11 | Y4 | Output |
| 12 | Y3 | Output |
| 13 | Y2 | Output |
| 14 | Y1 | Output |
| 15 | Y0 | Output |
| 16 | VCC | Power in |

john0312/hitcon-pcb-badge
execute fw/merge.py to merge STM32CubeIDE generated main.c with user code in main.cc into main.cc.

KipJM/blackmacro-hardware
An open source, smaller, more configurable, and more capabable video editing keyboard based on the raspberry Pi Pico 2W.



Edgeworth/memepu
cmake -DUSEAFL=yes -DCMAKEBUILDTYPE=Release $PFX/verymeme AFLSKIPCPUFREQ=yes AFLPRELOAD=/usr/local/lib/afl/libdislocator.so \ afl-fuzz -m 1024M -i $PFX/verymeme/testdata/memelang/parsing -o memelangfuzz \ -x…

SteveCooling/MidiKeys
Will be a complete board with decoders for multiplexed sampling of analog sources and up to 61-key keybeds


LeHack/SPSP
Particulate matter pollution monitoring system (:poland: System Pomiaru Stężenia Pyłu w powietrzu)
<iframe src="https://pcbkit.io/embed/parts/mdd/74HC238D" title="74HC238D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/mdd/74HC238D.jpg" alt="74HC238D" width="1200" height="900">[](https://pcbkit.io/parts/mdd/74HC238D)Yes. The symbol is 74xx:74HC238 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOP-16, with 16 pins. Its footprint is drawn on this page.
JLCPCB lists it as part C56242459, with 2,381 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the 74HC4053M/TR by HGSEMI, the SN74HC138D by Texas Instruments, the 74HC138D by JSMSEMI and the MC74HC138AD by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
69 boards in 50 repositories on GitHub; the most starred are listed on this page, with their KiCad files.