Can you tell me the distance between sensor and central arduino?
You can use Arduino + Sensor + Bluetooth module and Arduino+Bluetooth module central as receiver.
Another way for more range >10 m and cheap is the RF link.
Can you tell me the distance between sensor and central arduino?
You can use Arduino + Sensor + Bluetooth module and Arduino+Bluetooth module central as receiver.
Another way for more range >10 m and cheap is the RF link.