$ /james/notes/electronics

Main image for Cheap LED Torch Repair

Cheap LED Torch Repair

Attempting to fix a broken torch... Yes really!

Main image for Bluetooth controlled LED flashing Frisbee

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!

Main image for Using an HD44780 alphanumeric LCD screen

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.