Use an Arduino Nicla Sense ME and Edge Impulse model to determine your rowing cadence and provide feedback via the IoT Remote app.

Control the number of customers in a store using a phone app to ensure social distancing.

Arduino 101 and the his BLE Bluethooth feature connection for monitoring the pulse on nRF Toolbox.

A Low-cost Fully Automatic Fare Collection System for India's Public Transport Services

Working on yourself requires constant feedback. I built a setup which measures the dynamics of the bat and gives you feedback on your swing.

Do you want to know the conditions before you jump into the water? Use the IoT cloud to check it out before you go!