This post will tell you everything you need to know about MQTT communication which will enable you to use it communicate between devices.

Use a Nano 33 IoT or a MKR WiFi 1010 to access a TI SensorTag to easily build a powerful BLE data logger.

Via Telegram, control thermal printers remotely to print out notes, shopping lists, URLs, payments, barcodes, and episode release dates.

As a follow up to the room thermometer project, we write a sketch that communicates with an online weather service and displays the weather.

Via Arduino Nano 33 IoT and a PHP web application, check whether you have a particular book in your library before purchasing by using ISBN.

Ensure proper ventilation in your indoor space. Measure and log indoor air quality. Configure alerts in ThingSpeak to keep your air safe.

Weather station that display temperature, humidity and pressure on your Android phone with Blynk IoT server.

Display comics release lists of this, next, and previous weeks via Nano 33 IoT and this amazing 🕷 PCB playing Spider-Man theme song :)

Inexpensive/disposable wearable two-way communication system for restaurant/grocery/retail workers