Fun & Games

The latest DIY ideas, techniques and tools for bikes, rockets, R/C vehicles, toys and other diversions.

Pneumatic LEGO wheel

Pneumatic LEGO wheel

Alan writes – “Philippe Hurbain has created a pneumatic LEGO wheel. This wheel has no electronics and is controlled by two hand pumps, also made from LEGO. There are very detailed construction details available on his site that were created using LeoCAD and some LeoCAD plugins.” [via] – Link.

DIY Ultrasonic sonar with LEGOs

DIY Ultrasonic sonar with LEGOs

Bert writes – “The Devantech SFR04 Ultrasonic Range Finder indicates the distance to the closest object within range. Echo’s that arrive later are received and processed, but subsequently ignored. For a true radar all signals should be taken into account. So, time to heat up the old soldering iron and make some modifications to the […]