PIC Micro Tutorials

22/01/2026

Hi to my followers, there is a Whatsapp button on my page now if needing to contact me.

23/08/2023

Apologies for the delay in publishing the next video for the 14 pin PIC16F1705 Assembly Tutotial Ep6-2 A SW0

In the meantime I have saved a pdf version of the Assembly file which can be used to confirm the new project file is correctly created so it will compile properly without errors. Ensure the pdf is opened as an A3 landscape format to view each line of code correctly.

Here is the link to the pdf file version accessed on Google Drive to anyone using this link.

https://drive.google.com/file/d/1cJEaHM67hLWQFfsqVKFwReh627uDq7zB/view?usp=drivesdk

Below is a link to a text file, ensure it is opened to an A3 landscape page setup and then copied and pasted into the new Assembly file for the tutorial. The pdf version does not copy paste line for line correctly but does capture each line correctly.

https://drive.google.com/file/d/1cJx8qObHLd1OGH45CJ6WXX68YgxTrN9w/view?usp=drivesdk

05/06/2023

Here's a link to the second Trailer video for Software Installations, to assist in installation of the Assembly version required for your operating system.

This video is intended to assist with the installation of the required software packages to follow the three tutorial series. Older versions of MPLAB X IDE a...

05/06/2023

The next tutorial will be presented in Assembly, using Microchip's MPASM toolchain version 5.81 which is also installed when MPLAB X IDE version 5.05 is installed.

This tutorial will feature a switch input, for which we will be looking at delays required to prevent false inputs due to switch contact "chatter" or bounce.

There are a few methods to achieve delays, however using Assembly requires a little more effort, we will apply these delays for both the pressed and released states of the switch, setting an Output Low to turn on an LED and then resetting the LED to a High state, so to turn Off the LED on the second pressed state.

This will not be the normal use of a delay to toggle the LED. I will go over a PIC's System Clock and how to calculate the Instruction Cycle period with calculations for loops to generate a suitable delay period for the purpose of "debouncing" or filtering out of false inputs from a switch.

We will use the included Simulator and Stopwatch of the Free MPLAB X IDE software to verify the delay periods and testing of the program to switch the LED on and off for alternate switch presses, allowing the tutorial to be followed even with out the need to purchase the PIC device or programmer. We will also use a real PIC16F1705 device and the PICKit4 Programmer and Debugger.

The simulator can then be used with any PIC device to test various System Clock settings and required delay periods.

The MPASM Toolchain is required to follow this tutorial. Note that the newer MPLAB X IDE's do not have the MPASM Toolchain option as this has been replaced with the PIC-AS toolchain which requires some alternative methods of including Assembly within program sections. Windows has the MPASM toolchain included in later versions of MPLAB X IDE, I believe the last was v5.35 for 64 bit machines and MAC has the Toolchain included with v5.05. Please refer to the second Trailer video "Software Installations" for various Operating System MPLAB X IDE versions required for Assembly and C tutorials. The links to the archived versions of MPLAB X IDE is included in the Software Installations "About" or more about the video section.

25/05/2023

The fourth Breadboard tutorial PIC16F1705 Ep6-1C MCC LED Timer0 is now available.

Check it out at this link:

In this video the PIC16F1705 has three LED’s connected on Pins RC2, RC4 and RA5, using sinking circuits. The LED’s will be used with Timer0, demonstrating th...

28/04/2023

The third Breadboard tutorial is now available.

In this tutorial the 8 pin, PIC12 F1572 will also be programmed to switch ON an LED connected to pin 5 RA2, as in the previous Register programming part of L...

28/04/2023

Hi all, the third tutorial for PIC12F1572 LED using MCC is nearly ready.

28/03/2023

The first Bread board Tutorial is avaiable

https://youtu.be/5691l3uOqw4

27/03/2023

Hi, the first tutorial should be posted on the 28th March by 15h00 GMT. This is for the PIC12F1572 8 pin device on a breadboard switching on an LED. Programmed in Assembly using MPLAB X IDE version 5.05 with MPASM v5.81 using Ubuntu 16.04 LTS.

19/02/2023

Check out one of the PIC devices used in the Breadboard and Development board series tutorials.