This project uses an HC-SR04 ultrasonic sensor and Arduino UNO to measure ... project is to detect the distance of an object using the HC-SR04 ultrasonic sensor and display the result on a 16x2 I2C ...

Within the Arduino ... function. Upload the minimalAudio example using the micro USB cable. Disconnect USB from computer and power the ESP32 board from a USB power supply near the speaker. Don't worry ...

A live-updating map of novel coronavirus cases by zip code, courtesy of ESRI/JHU. Click on an area or use the search tool to enter a zip code. Use the + and - buttons to zoom in and out on the map.

A guide to staying safe during civil unrest. “Know who you can call on for help. Even if the threat isn’t right on your doorstep, it can be a relief to just let someone else watch the news for a while ...