1- A water level sensor XKC-Y25-V PNP with 4 wires.
2- A water level sensor XKC-Y25-V NPN with 4 wires.
https://fr.aliexpress.com/item/100500261...0710272%21
3- A 220v motion detector PIR with 3 wires
https://fr.aliexpress.com/item/100500548...pt=glo2fra
4- A gas leak alarm sensor 4 wires
https://fr.aliexpress.com/item/329819373...pt=glo2fra
5- A smoke detector 4 wires .
https://fr.aliexpress.com/item/100500568...pt=glo2fra
2- A water level sensor XKC-Y25-V NPN with 4 wires.
https://fr.aliexpress.com/item/100500261...0710272%21
3- A 220v motion detector PIR with 3 wires
https://fr.aliexpress.com/item/100500548...pt=glo2fra
4- A gas leak alarm sensor 4 wires
https://fr.aliexpress.com/item/329819373...pt=glo2fra
5- A smoke detector 4 wires .
https://fr.aliexpress.com/item/100500568...pt=glo2fra