COVID-19 pandemic. This has sprung numerous social distancing and remote monitoring applications that rely on the use of sensors, wireless protocols, and IoT platforms. From temperature monitoring, contact tracing, crowd counting – sensors are at the edge of today’s IoT solutions. Using mixed technologies such as LoRa, Bluetooth, Wi-Fi, and LTE, we’ll discuss situational advantages when each technology comes into play and considerations in deploying a sensor network. From the factory to the farm, we’ll review examples of how sensors have helped keep people and food-safe, quite literally.