
Soil Power Sensor
jlab-sensing/ENTS-node-hardware
Schematics and design for soil MFC voltage and current sensing

The KSC741JLFS is a tactile Switche made by C&K in a SMD-4P,6.2x6.2mm package with 4 pins. -40℃~+85℃ 1.4mm 3.9N 32V 50mA 6.2mm 6.2mm IP67 J-Lead Round Button SPST Surface Mount,Vertical SMD-4P,6.2x6.2mm Tactile Switches ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:KSC441J70SHLFS, from EasyEDA) and its footprint (EasyEDA_Cloud:KEY-SMD_4P-L6.2-W6.2-P4.00-LS7.2, from EasyEDA), ready for a KiCad board. 335 are in stock at JLCPCB (part C221766). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | 2 | Unspecified |
| 3 | 3 | Unspecified |
| 4 | 4 | Unspecified |

jlab-sensing/ENTS-node-hardware
Schematics and design for soil MFC voltage and current sensing

o7-machinehum/Blackpants
Open blackpants.kicadpro for the active A523 schematic and PCB. It replaces the A33 hierarchy and uses AXP717C + AXP323 with 2GB LPDDR4.
<iframe src="https://pcbkit.io/embed/parts/c-k/KSC741JLFS" title="KSC741JLFS in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/c-k/KSC741JLFS.jpg" alt="KSC741JLFS" width="1200" height="900">[](https://pcbkit.io/parts/c-k/KSC741JLFS)Yes. The symbol is EasyEDA_Cloud:KSC441J70SHLFS and the footprint EasyEDA_Cloud:KEY-SMD_4P-L6.2-W6.2-P4.00-LS7.2, both drawn on this page. PCBKit places them on a board for you when you design with it.
SMD-4P,6.2x6.2mm, with 4 pins. Its footprint is drawn on this page.
C&K publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C221766, with 335 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the KSC221JLFS by C&K, the KSC641JLFS by C&K, the KSC341JLFS by C&K and the KSC441JST2LFS by C&K. 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.