Skip to main content

Sunday's West of Scotland Area Group Zoom meeting

 Another very well attended Zoom meeting with 34 participants.

Davy showed us the commercially available automatic train stopping unit available at £12.53 from Brimar and compared it with the almost identical PMP 15 kit from the MERG Kitlocker at  only £2.65.

 With these kind of savings, MERG membership is worth every penny.


Chic Thomson treated us to a very entertaining presentation on simulation software for Electronics.

INKSCAPE is a free open  source drawing package.

There are many Arduino Simulators available but Arduino Simulator 1.5.1 is an excellent open source offering. 

For those interested in PICs simulators are available within the JAL compiler (Just Another Language) and MPLAB Sim is available within MPLAB but seldom advertised.

Electronics Workshop 5.1 is a program no longer being developed but a useful tool for investigating any electrical or electronic circuit. Apparently you can Google it but there are a few insecure sites so be careful.

Fritzing is a very popular program for Arduino hobbyists as the library contains many of the sensors and modules that are available for interfacing to the different Arduino platforms. Free versions used to be available but the latest download is available for 8 Euros ( around £7 )

Lochmaster is a great tool for developing stripboard designs and has been previously demonstrated by Davy Dick.

KICAD is the open source replacement for the PCB design software EAGLE.

Design Spark sponsored by RS Components does the same thing, There is also a mechanical and electrical package available.

Thanks Chic for a great session

Andy R

Comments

Popular posts from this blog

Train sequence / timetable using Arduino

                              Following discussions in a MERG Zoom meeting about potential projects for the Cumbria virtual area group I have started this blog to share my ideas for building a train sequence / timetable system based on an Arduino UNO. The trigger for this project was Andy Robb's article in the MERG journal (June 2020 edition). In it Andy describes using an UNO with a OLED display to produce an electronic station display board.  Having tried out Andy's version I started thinking about expanding the idea and have come up the following list of possibilities: 1. Replace my card index train sequence with an electronic version. 2. Have the train sequence synchronised with the on platform displays. 3. Display an analogue clock on the station display and have it display the train times. 4. Store the position reached in the sequence so that it starts where it left off on power up.  To mak...

3D Printing Presentation

Sunday's Zoom meeting had our largest audience so far with 19 members attending from various parts of the country. Alan Geekie gave us an excellent and well received presentation on 3D printing that included FDM (Fused Deposition Modeling) and SLA (Stereolithography apparatus) types He first showed how we can source "things to print" using sites like Thingiverse. His own filament printer was the Prusa i3 Mk 3S which is available either as a kit (£699) or pre-assembled (£899) and features a self leveling bed. It also benefited from an additional multi material upgrade kit and he demonstrated the start up sequence of leveling, homing, clearing remaining filament from the hot end and then beginning the print.  The process of slicing where a 3d object drawing file (.stl) is broken up into the x,y,z drawing coordinates for each individual layer was also explained. Alan then moved on to resin printers using another Prusa model, the SL1 and its associated curing and washing mach...

Mimic Points in Visual Basic

For this project, I wanted to create a moving graphic to mimic a set of points moving from one position to the other.  This Blog shows all that is needed. The first Picture shows the 6 lines needed.                                 This Picture shows the Line Properties.    The tracks are shown with 5 lines, though only the middle ones in red are involved.  The other line shown below the others is the one that actually "moves".  It is shown below the other lines for clarity only.  At the start of the Program running, it is positioned over the lower red line. In VB, each Line has properties and these are shown above.  To get a line to appear to move, all that needs to be done is to gradually change the X2 and Y2 co-ordinates of the line. This is the code for the program. The first 6 lines create a pause Function in the program, by using the Computers internal C...