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LCD (Liquid Crystal Display) Circuits

2 Wire LCD Interface using PIC16CF84

Embedded processor directly drives LCD: 01/09/03  EDN-Design Ideas / Driving a bare LCD does not necessarily require specialized interface circuitry or peripherals. This Design Idea describes an alternative drive scheme, which you can easily implement using the general-purpose outputs of a microcontroller. Many embedded-system applications need to interact with a user by displaying simple numeric or alphanumeric character.

Excel offers painless LCD initialization: 09/20/2001 EDN - Design Ideas / To display a font or a symbol on an LCD, you need to convert the desired character into numerical data. Creating the data for an entire font set requires specialized tools; even with these tools, the task can be daunting.

GPS LCD Display Project:

Graphic LCD Interface:

LCD Serial Terminal: has RS-232 serial in/out, up to 20 programmable keys, Character LCD up to 2x40, 5 auxiliary inputs, 6 auxiliary outputs.

LCD Thermometer:

Seven segment LCD uses two wire interface: 09/04/03  EDN-Design Ideas / You can connect seven-segment LCDs using only a two-wire interface (Figure 1). The two-wire interface may be at the field-effect, direct-drive LCD or at a serial interface (such as I2C) that uses an eight-pin microcontroller. The design in Figure 1 uses an Atmel (www.atmel.com) A Ttiny12 microcontroller.

Two Wire LCD Interface using PIC16CF84


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