Arduino USB Shield

optical communication

Using instructions from here you can make an Arduino board appear as a USB HID device. HID devices don’t normally require drivers so they can work by emulating keyboards, mice and joysticks buy taking inputs from other devices.

The example created sends a string of characters to the keyboard buffer when a button […]

Getting tough on car tax dodgers

In recent days a number of cars have been clamped around whre we live. The reason is that they are parked on the public highway and are untaxed or not showing a valid tax disc.

Image posted to


Diet or full fat?

Coke? No way. Brake fluid! This came out when I bled the system to replace the fluid that was at least 2 years old. After replacing the fluid, the brakes feel better.