Cheap LED Torch Repair
Attempting to fix a broken torch... Yes really!
Bluetooth controlled LED flashing Frisbee
A few friends and I decided it would be a good idea to make a light-up Frisbee so we could continue playing with it after it became dark. I decided to take it a step further and add control of the lights by via Bluetooth!
Using an HD44780 alphanumeric LCD screen
The Hitachi HD44780 is an LCD screen controller used to control small alphanumeric LCD displays. This post details how to control these displays.