Projects (4)

Alarm disabling unit for production equipment with long stop warning

Simple unit to silence the audible alarm on a production equipment, additional warning if not resolved within 30 or 60 minutes. Uses an AVR ATtiny2313 microcontroller.

Alarm disabling unit #1 installed and connected to production equipment. Alarm LED is lit.
Alarm disabling unit for production equipment

Simple unit to silence the audible alarm on a production equipment, uses an AVR ATtiny2313 microcontroller.

Alarm disabling unit #2 installed and connected to production equipment. Alarm LED is lit.
Production line stop alarm

Simple alarm circuit to monitor up to eight inputs, from e.g. production equipment. If any inputs are triggered an alarm is sounded. Uses the AVR AT90S2313 microcontroller.

An inside view of the casing with AT90S2313 microcontroller, optocouplers and LEDs wired up.
Sound alarm control unit

Simple unit to control three sound signals; beep, siren and buzzer. Uses an AVR ATtiny2313 microcontroller.

Sound alarm controller is complete, mounted and connected.

Images (5)