Silicon Labs’ Bluetooth modules are designed for longevity and energy efficiency, featuring best-in-class RF sensitivity and flexibility. Specifically designed to speed up the development of a wide variety of IoT applications across a range of industries so innovators like Filo can get to market quickly, the modules:
In 2019, Italy became the first country in the European Union to make it mandatory for parents to utilize technology to prevent children from being left behind in the backseat of a car. Filo, an IoT start-up in Rome, Italy, had been helping users keep tabs on their belongings since launching its original product, the Filo Tag, in 2014. With the passage of the anti-abandonment law, the company saw an opportunity to bring its Bluetooth tracking solution to bear on this very serious challenge. On the strength of the Tag’s success, the company set out on development of the Tata Pad.
The Tata Pad uses a capacitive sensor embedded into a cushioned pad that fits any car seat. When a child sits down, the Tata Pad is activated. The sensor detects their presence and sends that information to the parents’ phone via an iOS or Android app. When (if) the parent is away from the car for more than three minutes, the first of three alarms are triggered. This tiered system that uses both text messages and calls is one of the primary advantages Filo’s solution has over its competitors. This first alarm sends a notification to the phone, which lasts for 30 seconds. This alarm works even if the phone is on silent. If it isn’t deactivated by the user, the second alarm is triggered – an actual phone call is placed to the phone from the Tata cloud service and includes voice instructions on how to deactivate it. Finally, if these two alerts are not enough, text messages and calls are placed to your pre-selected emergency contacts, who can then request a text message with your last known location. These emergency calls are made independently of the parent’s phone signal, which means all three levels of alerts work even if the parent’s phone is out of battery or not receiving a signal.
The Tata Pad works even if the phone is left in the car because the sensor can tell if the car is moving or not. After 15 minutes of no motion detected, the user receives a phone notification checking in. If this notification is ignored, the system assumes the phone has been left in the car and will notify the emergency contacts
When it came to choosing a technology, Filo had some key requirements in mind. For the networking protocol, Bluetooth was selected because of its cost-efficiency compared to other networking technologies and its wide adoption in consumer applications. When selecting wireless technology, Silicon Labs’ Bluetooth solution emerged as the favorite due to its competitive price and sophisticated security features.
The result of this effort is the only baby car seat alarm with three levels of alerts, making it extremely popular with consumers and guiding Tata’s way to further innovations including another alert device, the Tata Band, which can be used with any seatbelt in the world and attaches to the car seat’s shoulder strap. The Tata Band also leverages Silicon Labs Bluetooth modules and extends Filo’s impact beyond car seats, which have different standards depending on the country, to safety belts that are more universal.
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