
3-in-1
mudmin/AnotherMaker
This is where I will store code snippets for AnotherMaker Videos

The GD75232N is a RS232 IC made by Texas Instruments in a PDIP-20 package with 20 pins. 0℃~+70℃ 120Kbps 3 5 5V、7.5V~15V Transceiver PDIP-20 RS232 ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN75185DWG4, from EasyEDA) and its footprint (Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1499602). 11 open-source boards in 7 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | VDD | Unspecified |
| 2 | RA1 | Unspecified |
| 3 | RA2 | Unspecified |
| 4 | RA3 | Unspecified |
| 5 | DY1 | Unspecified |
| 6 | DY2 | Unspecified |
| 7 | RA4 | Unspecified |
| 8 | DY3 | Unspecified |
| 9 | RA5 | Unspecified |
| 10 | VSS | Unspecified |
| 11 | GND | Unspecified |
| 12 | RY5 | Unspecified |
| 13 | DA3 | Unspecified |
| 14 | RY4 | Unspecified |
| 15 | DA2 | Unspecified |
| 16 | DA1 | Unspecified |
| 17 | RY3 | Unspecified |
| 18 | RY2 | Unspecified |
| 19 | RY1 | Unspecified |
| 20 | VCC | Unspecified |

mudmin/AnotherMaker
This is where I will store code snippets for AnotherMaker Videos


skiselev/monster-fdc
ISA floppy disk controller card that supports up to 8 floppy drives


hkzlab/ISA_QuadUART2
This 8-bit ISA board will provide 4 serial RS232 ports using a single 16C554 controller. 2 ports are exposed on an external bracket and 2 are on internal headers.



<iframe src="https://pcbkit.io/embed/parts/ti/GD75232N" title="GD75232N in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/GD75232N.jpg" alt="GD75232N" width="1200" height="900">[](https://pcbkit.io/parts/ti/GD75232N)Yes. The symbol is EasyEDA_Cloud:SN75185DWG4 and the footprint Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
PDIP-20, with 20 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C1499602, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the AD230AN by Analog Devices, the AD230JN by Analog Devices, the AD233JN by Analog Devices and the ADM230LJN by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.
11 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.