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PIC PIN / PORT Extender
Posted on Wednesday, April 21, 2010   •   Category: PIC


This circuit based around 74LS154 will extend PIC / AVR microcontroller output PINs from 4 to up to 16. It can also be used for extending parallel port output pins.


LCD Terminal
Posted on Wednesday, April 21, 2010   •   Category: PIC


The LCD Terminal just like a normal terminal, it can connect to any host via RS-232 serial cable. A PC keyboard must connect to it as the input device and what ever you type will send to host via RS-232 and display on a 40x4 LCD. Data receive from host can also display on the LCD unit. You can use this device as any Unix/Linux machine's console.


PIC16F877 APRS Weather Station
Posted on Wednesday, April 21, 2010   •   Category: PIC


Weather Station is PIC16F877A based and has a 4x20 LCD, a data logger output and accepts 1Wire wind instrument. It has a built-in APRS TNC. Connect it to your portable rig thru a DIN5 connector and you have a true portable weather station.


Digital Video Selector 1.0
Posted on Wednesday, April 21, 2010   •   Category: Video




PIC12F675 - Flashing LED
Posted on Wednesday, April 21, 2010   •   Category: PIC


Simple little circuit for testing PIC12F675 microcontroller. When you start learning a programming language like C++, Visual Basic or any other language your first step is to write a program that displays "Hello World" on a computer's monitor. When you start learning how to program PIC microcontrollers an equivalent to that is blinking a LED.


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