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> Stop watch digital clock ultra bright led display panel
Stop watch digital clock ultra bright led display panel
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Stop-Watch Digital Clock (4 Digits)
MX025 is a pre-built module, that gives you a four-digit bright red LED display, attached to a driver module, which offers a 24 hour clock mode, as well as a stop watch mode, capable of counting to either 24 hours, or to 99 hours, depending on the state of a jumper! The thing is, it doesn't do the standard 12 hour clock mode, instead it does 24 hour military time (which is more precise, especially when you can't see the sun).
The battery backup terminal allows you to connect 3 AA NiCads, with your own suitable battery holder, so that in the event of a power failure, the module will still remember the time. It has a built in charge circuit as well, so only use rechargables (NiCad). For the main circuit power, this module requires a 12vDC power supply, of at least 125mA (that's what the circuit draws with all segments lit up). The circuit has a built in rectifier, so it doesn't matter if it's center positive or negative. You can use almost any 12vDC adapter you might have, but if you are unsure, then this is what you need.
* Power supply 12V DC / max 120mA.
* Display Dimensions: 25.4 x 7.6cm or 10 x 3 inches.
* The operation mode is divided into two major modes: clock mode and timer mode.
* 1/100 second display in clock mode.
* Settings to 99 hours in timer mode.
* Display used: ultra bright LEDs.
