Portal alarm box unit, my main project on technical college.
Serial interface module, with analog and digital I/O — AVR
Serial (RS-232) interface module; providing 6 analog and 2 digital inputs, and 9 digital outputs. Uses an AVR ATmega8 microcontroller.
Serial port I/O module with 15 inputs — AVR
Serial (RS-232) interface module; providing 15 digital inputs. Uses an AVR ATmega8 microcontroller.
Serial interface for emergency power off — AVR
RS-232 interface module, with voltage measurement. Used to communicate with the emergency power off unit in the Rack box project. Installed inside Rack box status panel. Uses an AVR ATmega8 microcontroller.
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.