Google max232. You must setup the serial port, by setting the correct registers. This is described in the data sheet. In section 12. In Hi-Tech C it is none built in library functions for serial communication. Voltimeter+ serial communication to PIC16F690. Serial communications written in QT creator code; serial communications software source code. Of pic microcontroller. If you know serial communication programming of pic16f877a controller you can easily interface this module and write a program in C.
The recent trends in the advanced technology are helpful in developing most advanced electronic gadgets. Most of these electronic devices are developed using microcontrollers. The microcontroller is an electronic component, which is programmed to perform various control operations. There are various kinds of microcontrollers available, such as, etc., which are programmed by using the integrated development tools. PIC Microcontroller Programming Steps PIC Microcontroller The PIC is a family of the microcontroller, which is manufactured by the different companies such as NXP, microchip, etc. The PIC stands for “peripheral interface controller”, which contains memories,, serial communication, interrupts and ADC converters built into a single integrated chip. The PIC microcontrollers are found in most electronic devices such as alarm systems, traffic control systems and, etc.
The PIC microcontroller programming can be carried out to perform the huge range of tasks. Even though there are many types of PIC microcontrollers, the best and basic microcontroller is PIC16f877a. PIC Microcontroller Programming Procedure The or assembly language by using appropriate dedicated software. Before going to build a PIC microcontroller project, we must become aware of developing a basic microcontroller (like 8051) based project.
Once you get the idea, this controller based project building becomes easy, so let us look at the. Before going to program the PIC microcontroller, first we have to select the right project that you are going program the microcontroller. 
As of now, consider the LEDs flash light system. Theory: The LEDs flashlight uses a set of light emitting diodes, and these are advanced to the and have very less life time. The LED lights on the other hand, consume less energy and have longer life. Basic Idea of this Project Behind the Design: The microcontroller generates the output logic pulses so that the LED light is switched ON and OFF at certain intervals.
The Crystal interfaced to the input pins of the microcontroller provides accurate clock signals at the crystal frequency. Circuit Designing The PIC microcontroller transmit and receive the data with respect to clock pulses, the PIC microcontroller operates with 4MHz crystal frequency. Two capacitors are connected to the crystal oscillator with range of 20pf to 40pf which is used to stabilize the clock signals. At some times, the PIC microcontroller goes to block state or missing time calculation,at that time we need to reset the microcontroller.
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If a microcontroller is reset for 3sec time delay, 10k resistor and 10uf capacitor are connected to the respective pins. Circuit Components Hardware Components • Yellow LEDs • Crystal • Reset • PIC Microcontroller • Capacitors • Resistors Software Components • MPLAB Compiler • Proteus software • Circuit Connections The 5v DC supply is given to the 11 pin of the microcontroller which drives the circuit. The crystal is connected to the 13 and 14 pins of the microcontroller. The reset circuit is interfaced at 1 pins of the microcontroller.