Product Lines

Product Lines
LCD Clock Module with Blue Backlight


4 Perpetual Alarms LCD Clock Module with Blue Backlight

Product Descriptions
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.

We are superior manufacturer of led countdown clock, clock module and lcd timer in Taiwan. We are able to provide total solution from software design, PCB layout, mold design and building, to production line set up and manufacturing. Welcome any of OEM or ODM project. Just send your primary thought, our experience engineering is waiting to evaluate your project and give you a professional suggestion and solution.
View More Details
Data Sheet of 51E-A0JZ-spx (682 KB)
  1. Physical Size
    • PCB Size: 70 x 60 mm
    • Plastic Frame: 58 x 40 mm
    • Thickness: 10 mm
  2. LCD Display
    • Screen Size: 49.3 x 22.3 mm
    • Number of Digit: 4 digits
    • Digit Height: about 16.00 mm
  3. Button: tact s/w, Mode, Set, and Adjust (Up)
  4. Power Source: +3.3 VDC, external connection
  5. Technical Data
    • Operating Voltage: +3.00 ~ + 3.50 volts
    • Typical Current Drain
      • Normal display mode: 56mA in normal condition, and 120 mA in alarm
    • Operation Temperature: -10 ~ +50 °C
    • Storage Temperature: -20 ~ +60 °C
    • Output Options
      1. 4K Hzs audible alarm for 1 minute
      2. Perpetual Power Saving Endless Alert circuit (called PSEA circuit), beep once per minute, never stop until “Mode” key depressed
      3. Selection of level or pulse output
      4. Output Amplitude: 1.5 VDC
      5. For pulse output, selection of pulse interval, 1 sec, 2 sec, 4 sec, or 8 sec
      6. Selection of single pole or individual pole for the 4 alarms
  • Regular Clock: hour, and minute
  • No. of Daily Alarm: 4
  • 24-hour system, available in 12-hour too
  • Color of back-light: blue; however, amber, white, green, or blue are available upon request.
  • Back-light always turn on when power on
  • Key tone