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PIC16F84 Serial I/O-expander with PicBasic Using PicBasic with the PIC16F84 PIC Microcontroller This article shows how to use the PIC16F84 microcontroller with PicBasic to design a quick & effective, serially controlled, I/O-Expander. Using PicBasic makes developing handy single-chip devices like this extremely simple. If you're spending all your time programming in assembler, you'll appreciate how simple PicBasic is to use, and how easily you can create single-chip solutions like this one in mere minutes. This project uses only a few of the instructions that come with PicBasic, but serves to show how easy PicBasic really is.
Design Of Liquid Retaining Concrete Structures Pdf Viewer. It also shows how PicBasic strongly resembles programming the BASIC Stamp. Here we are using the serin command, and a couple if then statements to design a simple serially controlled I/O-expander that can be used to increase the I/O capabilities of other PIC microcontrollers or the BASIC Stamp. One feature that PicBasic offers with the serin command is the ability to use a qualifier.
MicroEngineering Labs, Inc. 1-719-520-5323 Example Program - USART.pbp PICBASIC PRO program to demonstrate reading & writing the hardware serial port without HSERIN/HSEROUT. General PBP examples. PICBASIC PRO Code that demonstrates the use of SERIN & SEROUT commands with UPPER CASE serial filter. Serqual.pbp: PICBASIC PRO Code that. I Want To Download Whatsapp For Nokia E50. July 3, 2017. Corel Painter Essentials 4 Serial Number Activation Code. July 3, 2017. All Hindi Fonts Free Download Kruti Dev. July 3, 2017. Picbasic Serial Example. Cara Hack Website Dengan Mudah Beli here. July 2, 2017. Borat Full Movie Download Free. July 2, 2017. Hp A03 Motherboard Drivers. July 2, 2017.
Using this technique, we can force our serial I/O-expander to wait for a specific qualifier before accepting other data from the serial-pin. This helps to ensure that our I/O-expander isn't false triggered by line noise, or other interference. It also helps us to synchronize the incoming data and make sure we receive everything in the correct order. The code for this project waits for the qualifying number 254 to arrive on the serial-pin. Once the qualifier is received, the program will then accept the remaining data, and use this information to control the output-pins. The code for this project was kept as simple as possible to help beginners understand how it works. Thief The Dark Project Pc Ita Torrent.
If you're already an experienced programmer, you may find the simplicity of the idea to be a starting point for much larger, and more sophisticated designs with a similar purpose for your own applications down the road. Note: This project can be used with the PC serial port, the BASIC Stamp, and other PIC microcontrollers. The ability to (directly) interface the PIC microcontroller to the PC serial port eliminates the need for expensive RS-232 conversion ICs such as the MAX-232. A single 22K resistor is all that's required to complete the PC interface. Figure 1: Using the PIC16F84 and PicBasic to create a serial I/O-expander, single-chip solution. To control our serial I/O-expander, we only need to send it a three-byte string of serial data. The qualifier number 254.
The relay number we want to address & control. The logic state we want the relay output-pin to go to. You can use this project as a simple I/O-expander, or to control up to 12 individual relays directly interfaced to your PC, a BASIC Stamp, or just about any type of microcontroller capable of sending asynchronous serial data. It has quite a few uses for many various applications, and it's so incredibly simple to build, it can easily replace much more expensive solutions. Using the I/O-expander with the BASIC Stamp II is very simple.