All exercise bikes on the market have a small on-board computer, with which it is possible to detect some important information about performance such as, for example, the current speed, the ...

CGA monitors may not be an amazing technological advance these days, but they can generally be found very cheaply. Additionally, they have a DB-9 connector and work off of TTL ranges (0-5VDC) making ...

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 ...

[Wolf] had a Polar brand exercise watch that wirelessly monitored a chest strap that sends it heart rate data. It sounds like there’s some way to transfer data from the watch to a computer, but it’s ...

If you are looking for inspiration for your next Arduino project, would like to monitor your sleep patterns you may be interested in this DIY sleep monitor which has been created using a little ...

Ever wish your home or office had airplane-style occupancy lights so you know when the toilet is in use? Some crafty hackers in Tokyo made this dream into a reality. Their attractive setup ...