The SparkFun MG2639 Cellular shield is an Arduino compatible shield that gives the user access to the MG2639_V3 GSM+GPS module. The module is capable of accquiring a GPS location as well as ...

This library utilizes any Arduino pins to be used as AD9851 control pins. This will gives you flexibility to use or to reserve any Arduino pins for other functions. The drawback, the frequency update ...

Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...