Common digital display LCD module are as follows
1. Counting module, which is a different digit seven-segment type lcd module and decoding drive, or plus the counter assembly into the count display unit. It has a record, process, display digital functions.
2. Metering module, a metering module has a number of segment-type liquid crystal display device having decoding, driving, count, the integrated circuit chip A / D conversion of the assembled module. Since the IC used having A / D conversion function, so the analog electrical signal may be input into a digital quantity is displayed.
3. Timing module, timing module for liquid crystal display device timing longest history, a liquid crystal display device with a timer integrated circuit assembly together is a fully functional timer. It does not sound in the finished watches shell, so called timing module.Generally used mini lcd module.
Access to information mainly through display and interactive interface with the electronic technology and electronics integrated rapid development of LCD modules in the smart instrumentation to achieve a mix of graphics and text display, man-machine dialogue to achieve the on-screen menu operation thus graphic LCD module with its small size, low power consumption, the development cycle is short, safe, reliable, flexible, etc., in the smart meter has been more widely used.
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