box

Nixie tube reverse geocache box

Nixie tube reverse geocache box

Arduino forum member RickP posted his awesome-looking reverse geocache box, which unlocks to reveal its contents only when it’s in a certain place on the globe. He uses an Arduino, a GPS sensor, and a trio of nixie tubes, which indicate the box’s distance from that special spot. When the button is pressed in that […]

The A-Team music box!

The A-Team music box!

Simon writes – This is a little music box I created using a HK828 voice recorder and playback IC. This one chip allows you to record and play back 30 to 60 seconds of audio (depending on the quality) with a minimum of components quite easily. I made a simple ‘A Team music box’ but […]