Digital LCD module's counting module

This is a segment type liquid crystal display device by a dedicated integrated circuit and the functional components are integrally assembled, can only show some identification numbers and symbols. Segment type liquid crystal display devices are mostly used in portable, pocket-sized device. Because of these devices are small, so as not to display the part of the design as a separate part, even if some applications require a separate display component, then it should also be in addition to a display function, but also has some information for receiving, processing, storage transfer and other functions, because they have some kind of generic, specific functions and welcomed by the market.
Counting Modules

This is a seven-segment digits by a different type liquid crystal display device and decoding drives, or assembled together with the count of the counter display unit. It has a recording, processing, display number of features. Currently on the market able to see our main products are driven by the CD4055 decoding drive unit liquid crystal display display module, as well as by the ICM72ll, ICM7231, ICM7232, CDl4543, UPDl45001, HD44100 and other integrated circuits and corresponding sets of liquid crystal display device assembled into The 4, 6, 8, 10, 12, 16 counting module. In the selection of such counting module must note the following:

(1) clarify the function: Although called "counter SPI lcd", but most of them can not be directly counted. They are some of the input port interfaces BCD code form only, some BCD code plus strobe terminal input interface in the form, there is direct with serial, parallel port interface connected forms, etc., as necessary to calculate or record a string of numbers, you must also configure the appropriate circuit, of course, there will be counting on the module circuit with good products.

(2) look for structure: a liquid crystal display device has a different mounting method and structure. This solid, in the selection to the attention of its structural features, in general, this counting TFT LCD Module mostly from zebra conductive rubber, plastic (or metal) pressure box and the PCB liquid crystal display devices and integrated circuits will be assembled together. Outer lead terminals with solder type, plug pin, pin-type circuit boards of several.

(3) attention to power: a piece of equipment should try to use a unified power, the common liquid crystal display counter module has a single-and dual power supply type, with 5V and 9V different specifications.