This UNO R4 WiFi-controlled device streamlines a restaurant’s online order system

Most successful restaurants operating today have to take advantage of online ordering, as a huge chunk of customers have switched to takeout and delivery. But point-of-sale (POS) systems don’t always integrate well into a kitchen’s workflow and that can lead to missed orders — one of the worst things a restaurant can do. To help streamline a POS for a friend’s fried chicken takeout restaurant, Redditor UncleBobbyTO developed this affordable notification bot.

UncleBobbyTO’s friend uses a Square system in her restaurant, which has an online interface and sends an email for each new order. But the kitchen staff is busy and they sometimes fail to notice the emails. This device solves that problem. It can sit in the kitchen or by the expo window and connects to the Square API, checking for new orders every three minutes. When the device detects a new order, it lights up green and displays basic information about that transaction. Staff can then look up the order and press a button on the device to clear the notification.

That’s all possible because the device contains an Arduino UNO R4 WiFi board, which has built-in Wi-Fi capabilities that lets it connect to the internet and the Square API. It resides inside of a sturdy 3D-printed enclosure that also contains an RGB LED strip and a 16×2 character LCD screen. 

Now UncleBobbyTO’s friend can run her restaurant without worrying that staff might miss an order. 

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