Sensor wani abu ne da ke ƙara da kuma tare da canzawa kan fizikalci ko alamun gudun (misali, ruwa, rage, zafi, tsawon) ta itar da shi zuwa a cikin nufin elektiriki. Wannan abubuwan da suka dace waɗanda suke amfani da su a sauti-sauti irin alamun farko (smartphones) zuwa maƙinai na gidan, abokan cin kasuwa, da abokin tattara gida. Sensor suna ba da iko don yin auta, tallafawa, da samar da bayanai, sanya sauya, amaiyawa, da sauƙi. Saura biyu na sensor include motion sensors (triggering lights or alarms), temperature sensors (regulating HVAC systems), da proximity sensors (preventing collisions in machinery). Duk suke da canza girman, kyauyar, da nofo zuwan (analog ko digital), domin suwar za suke da mahuta don wireless connectivity don tallafawa mai zuwa. Sensors mu aka yi su da kyauya da karkata, ko akan zaɓi mu (waterproof, dustproof) ko bayanan masu zuwa (abokan cin kasuwa). Suna fitanta da control systems kuma suke da aminci na teknical. Don neman tushen za a sami sensor don amfani da kama, tambaya warwaren teknical mu.