Introduction to LCDs (Kit)
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Description:The aim of this kit is to show how to use a 16x2 alphanumeric Liquid Crystal Display (LCD) with a PC. First we show how to connect it to the parallel port and echo and handle keyboard input. Then we show how to use the LCD to display temperature from a DS1620 Digital Thermometer / Thermostat chip and set the HI & LO triggerpoints in it. All C source code is provided. PCB size: 3 1/4"x2 3/4".