This is a custom binary alarm clock I made using an ATtiny85 microcontroller and few other components. It's powered by USB and has a battery backup for remembering the time/alarm setting when it's not ...

With its extremely flexible and modular design, the HMIS Multi-Legend Alarm Indicator fulfils a broad range of application needs. The panel size and the symbols are customisable and different ...

Water tank overflow is a common problem which leads to the wastage of water. Though there are many solutions, like ball valves which automatically stop water flow once the tank gets full, electronics ...

Here is a simple, versatile circuit which indicates the level of water in a tank. This water level indicator alarm consists of twelve levels. The circuit sounds an alarm when the water is below the ...

Flexible, bright and reliable alarm indicator – only 8 mm thick and designed for driver’s cabs this modular HMI simplifies fault monitoring contributing to increased safety within railway applications ...

The burglar alarm circuit design was based on the operation of CMOS 4001 where a high output would only result if both the inputs to the gate are low. Burglar Alarm – one way of preventing break in’s ...

Silent Knight by Honeywell has developed a 25-point fire alarm offering all the high-tech benefits of addressable technology at the cost of a conventional system. The IntelliKnight 5600 fire alarm ...