
Logic macropad
Greentalinjo/74HController
A game controller built entirely from discrete 74HC logic - no microcontroller, a diode ROM and an 8-N-1 serial frame out of an RJ45 console port.
HRO ElectronicsExtended
-25℃~+85℃ 100,000 cycles 12V 2.5N 50mA 6.5mm 6mm 6mm Round Button SPST Through Hole 插件-4P,6x6mm Tactile Switches ROHS
The K2-1102DP-F4SW-04 is a tactile Switche made by HRO Electronics in a 插件-4P,6x6mm package with 4 pins. -25℃~+85℃ 100,000 cycles 12V 2.5N 50mA 6.5mm 6mm 6mm Round Button SPST Through Hole 插件-4P,6x6mm Tactile Switches ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SKRPACE010, from EasyEDA) and its footprint (EasyEDA_Cloud:KEY-TH_4P-L6.0-W6.0-P4.50-LS6.5, from EasyEDA), ready for a KiCad board. 301 are in stock at JLCPCB (part C136683). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | 2 | Unspecified |
| 3 | 3 | Unspecified |
| 4 | 4 | Unspecified |

Greentalinjo/74HController
A game controller built entirely from discrete 74HC logic - no microcontroller, a diode ROM and an 8-N-1 serial frame out of an RJ45 console port.
Yes. The symbol is EasyEDA_Cloud:SKRPACE010 and the footprint EasyEDA_Cloud:KEY-TH_4P-L6.0-W6.0-P4.50-LS6.5, both drawn on this page. PCBKit places them on a board for you when you design with it.
插件-4P,6x6mm, with 4 pins. Its footprint is drawn on this page.
HRO Electronics publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C136683, with 301 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the HX TS6610CJ 250GF 009 by hanxia, the HX TS6614CJ 250GF 009 by hanxia, the K2-1102DP-G3SW-04 by HRO Electronics and the TS-1002-04326 by XUNPU. 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.