4 Perpetual Alarms LCD Clock Module with Blue Backlight
This is a simplified 4 daily alarms LCD clock module with blue back-light. The blue LED back-light is always turns On. 3 keys, "mode", "set", and "adjust" Installed provides user friendly operation. This timer module is in 24-hour system. 12-hour system is available upon request. Operated with 3.3 V DC of external power source. Piezo alarm circuit is provided. Normally the alarm time is one minutes, but for perpetual reminding the PSEA (power saving endless alert) alert is suggested. It offers endless reminding, i.e., beeping 3 times per minute and never stop beeping unless the "confirm" (the "mode") button is depressed.
Configured in 4 individual output poles for each alarm channel. However, single pole for the 4 alarm outputs is possible too. The output signal of clock module can be as a level high or pulse signal depend upon request. For pulse signal, the duration can be 1, 2, 4, or 8 seconds optionally.
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