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PIC Projects based on flash pic microcontrollers.

These Projects are programmed into
the 16F877, 16F88 or 12F675 device
which are used on this site
but you can transfer
most of the projects to
other devices quite easily...

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Individual pic projects jump table

Note: All of these projects can be retargetted to another device - all you need to do is ensure there is enough memory (compile and check used memory). Also look at the requirements on the project page to make sure that the device has the required hardware module (if any is specified) and enough pins.

ICSP PIC Parallel Port Programmer. 16F877A : Frequency Counter (LCD).

16F88 : Ultrasonic Range Finder. 16F877A : Frequency counter (7Seg).

16F877A : LCD and keypad (one port!). 16F877A : LCD Volt meter (simple).

16F877A : RGB LED Driver. 16F88 : LED DOT Matrix Display.

16F877A : Serial LCD. 16F88 : Universal Infrared Receiver.

16F88 : Binary clock. 16F88 : Real Time Clock (RTC) DS1307.

12F675 : Tutorial. 12F675 : LM35DZ Temperature sensing.

12F675 : Servo motor driver. 12F675 : RS232 Transmission.

12F675 : Servo controller (Soft USART) 12F675 : LM35DZ Temperature log EEPROM

All you need to program the microcontroller in each of the following projects is a pic programmer that has an ICSP connector. You can find a programmer project below.

Note that most of the pic projects are retargetable to different devices - some are not as they use a lot of pins to drive displays. But in general you can change to a different device. You could also run using a different display e.g. for the frequency counters you could use an RS232 output which would let it operate from a 12F675 (8 pin device).

Projects

PIC Parallel Port Programmer

A Parallel port pic programmer based on AN589 with an ICSP connector that you can use to program virtually any PIC micro since they all use the same ICSP connections. This project does not use a PIC micro - it needs a 74HC244 and some standard transistors.

Note: This programmer is a modified AN589 and lets you use it at the end of a 6ft parallel cable. The mod for this is simply a standard resistor and capacitor which makes a transmission line terminator. When I first built it I had not used the terminator and got random results - very frustrating - the mod is simple and useful - there are also other useful and simple mods in the project.

50MHz LCD frequency counter

A frequency counter using PIC TIMER 1 and a standard HD44780 LCD.

Target 16F877A

Retargetable Yes: Needs Timer 1.

50MHz 7 segment frequency counter

A frequency counter using PIC TIMER 1 and a real display that you can see!. It uses 8 seven segment displays e.g. 50,000,000 is fully displayed.

Target 16F877A

Retargetable Yes: Needs Timer 1.

0-5V LCD volt meter.

This is a simple project showing how to use the analogue inputs of the PIC with full register usage code.

Target 16F877A

Retargetable Yes: Needs Analogue module.

Ultrasonic range finding project.

This project uses the CCP module to measure the ultrasonic echo time for calculating the object's distance. It also uses standard transistor components for transmission and reception. Range is 5cm to 3m.

Target 16F88

Retargetable Yes: needs CCP module.

A Real Time Clock (DS1307) using I2C.

This project uses a 16F88 as the master I2C controller and for this chip the I2C control has to be written in software. Unlike the 16F877A the 16F88 only has a full implementation of the slave mode. The software I2C routines can be used with any PIC micro. This project results in the standard 4 digit seven segment display desk clock.

Target 16F88

Retargetable Yes: Any PIC Micros.

LCD and Keypad using one 8 bit port (no glue logic)

Direct jump to locked page (needs unlock code)

This project saves you port pins by combining an LCD and Keypad onto one 8 bit port. The LCD is fully readable and writable and the key pad has 12 fully readable keys.

PIC Projects Target 16F877A

Retargetable Yes: Any PIC Micros. (Any micro that can set pin directions).

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Driving an RGB LED.

Project uses interrupts to generate a software PWM and uses Timer 0 as a heartbeat timer.

IC Projects Target 16F877A

Retargetable Yes: Any PIC Micros with at least 3 pins!

Driving an LED dot matrix.

This project shows how to drive an 8x8 dot matrix led display. Note that you can drive a 5x7 display with the same circuity - just needs the character set adjusted.

PIC Projects Target 16F88

Retargetable Yes: Any PIC Micros.

Serial LCD module

This project creates a serial port driven LCD display module. All commands are in ASCII so you can test out the project by driving it directly from a PC serial port. The project relies on the built in USART but you could create a software UART (receiver part) and drive it in the same way.

There are no 'odd' commands e.g. to clear the display you would type #C or #c and to write text to the display you just type text! Setting an x or y position is also easy e.g. #X10 sets the cursor to x position 10.

PIC Projects Target 16F877A

Retargetable Yes: Any PIC Micros with a built in USART.

Universal Infrared Receiver (UIR)

With this project you can use a PIC micro to read any infrared remote control, TV, DVD,Video, satellite etc. With it you can control your PC e.g. start programs, move the mouse, turn the Windows volume up and down etc.

PIC Projects Target 16F88

Retargetable Yes: Any PIC Micros with a built in USART.

12F675 : Tutorial

The start of a tutorial on the 12F675.

PIC Projects Target 12F675

12F675 : RS232 Serial transmitter

Software implementation of RS232 transmit for 12F675.

PIC Projects Target 12F675

Retargetable Yes: Any PIC Microcontroller

12F675 : Serial Temperature Logger

Temperature logging to serial port using 12F675.

PIC Projects Target 12F675

Retargetable Yes: Any PIC with analogue input port.

12F675 : EEPROM Temperature logger

Similar to the above project but stores data in the internal EEPROM that can be read out later via the serial port.

PIC Projects Target 12F675

Retargetable Yes: Any PIC with analogue input port

12F675 : Servo motor driver

This project uses Timer 0 to generate the timing interval ~20ms. Each Timer 0 interrupt calls a pulse generation function that sets the position of the servo (1ms-2ms).

PIC Projects Target 12F675

Retargetable Yes: Any PIC Micro

12F675 : Servo motor - serial control

This project uses Timer 0 to generate the timing interval ~20ms as above but is now controlled from a Soft Serial USART.

PIC Projects Target 12F675

Retargetable Yes: Any PIC Micro

Binary Clock

This project uses a 16F88 and an LED matrix to display a binary clock with 6 digits of 4 binary bits each

It also teaches reading binary 0-9.

It uses a Timer 0 interrupt to generate timing pulses for the clock so you can use it with virtually any other PIC device.

PIC Projects Target 16F88

Retargetable Yes: Any PIC Micro with enough pins.

End of PIC Projects page.

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