I rebuilt an existing interface module — to be a stand-alone temperature and light sensor, with serial RS-232 interface and some signal LEDs. Uses an AVR ATmega8 microcontroller.
Status panel for the Rack box project
A desk panel box full of LEDs, buttons and switches. Built for the rack box project.
Temperature and light sensor, with LEDs — AVR serial module
Light intensity and temperature sensors; with white, green, yellow, red and blue signal LEDs and a buzzer. RS-232 communication. Uses an AVR ATmega8 microcontroller.