The past month or so I’ve been playing with the Maxim DS1307 Real-Time-Clock and DS1621 Temperature Sensor ICs. I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I ...

I wanted a simple weather monitor that can display the current temperature, humidity, and heat index to keep tabs on my ambience. Naturally, a cheap eBay gizmo would do, but I decided to build my own ...