Microchip PIC Examples Assembly Project

All source code, libraries, and other files, complete with diagrams practices Microchip PIC assembler’s eight projects. In particular interface applications can be useful for different projects.

GPS to SD-Card Data Logger pic16f819

This project combines a GPS receiver module, a Microchip PIC microcontroller and a Secure Digital memory card to make a GPS data logger.

Temperature Recorder pic12f683

This project uses a Microchip PIC microcontroller, a serial EEPROM and a thermistor to create a temperature recorder.The temperature is measured and stored at user programmable intervals; this can be from 1 second to 256 seconds. The time interval is set by programming it and the start time into the EEPROM.

Infra-Red Transmitter pic12f675

This project uses a Microchip PIC microcontroller and an Infra-Red LED to act as a PC controlled cable TV changer. The purpose of this is so that my MythTV Personal Video Recorder (PVR) can change channels on the cable TV set-top box when making a recording. A very simple program on the computer sends the channel number over RS232 to this PIC based IR transmitter which creates the correct waveform for the digits to be sent.

RS232 Converters

This pages lists some various RS232 converter projects that use Microchip PIC microcontrollers. These are the basic building blocks and prototype implementations of different interface standards for which I have written code. After building each of them on prototyping board they have been built as stand-alone devices that can be used for interfacing or debug. They are also useful for prototyping functions that are to be used in PIC projects because the interface commands can be tested from software on a PC without needing to write them as PIC code first.

RS232 I2C Interface pic12f675

This project is a Microchip PIC microcontroller with an RS232 serial interface on one side and an I2C interface on the other. The I2C interface uses bit-banging on an 12F675 device. Important All mention of RS232 on this page actually refers to RS232 waveforms operating at 5V TTL levels not +/-12V levels which would destroy the PIC device. An appropriate converter between the two must be used.

RS232 SPI Interface SD Card pic16f819

This project is a Microchip PIC microcontroller with an RS232 serial interface on one side and an SPI interface on the other. The SPI interface uses the SSP port on a 16F819 device.

RS232 Infra-Red Interface pic12f683

This project is a Microchip PIC microcontroller with an RS232 serial interface on one side and an Infra-Red receive and transmit interface on the other. Important – All mention of RS232 on this page actually refers to RS232 waveforms operating at 5V TTL levels not +/-12V levels which would destroy the PIC device. An appropriate converter between the two must be used.

RS232 PS2 Interface pic12f683

This project is a Microchip PIC microcontroller with an RS232 serial interface on one side and an PS/2 (keyboard or mouse) interface on the other. The PS/2 interface uses bit-banging on a 12F683 device.

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