Paul Sutton

electronics

Resistor boards

This is a repost and update for a previous post. I am posting this here too.

As the next Paignton Library Stem Group meeting is

Date : Saturday 9th April 2022 Times : 11am –> 15:00

In preparation for the next event, I have been working on creating some electronics resources to demonstrate at the event.

These are quite simple to make, solder on headers and which ever component is needed for that particular board

Electronics 1

Various resistors 270ohm 330ohm 1k ohm 10k ohm

As of 23/3/2022 I have made up the following:-

  • 20K
  • 1 M
  • 2,2K
  • 15K
  • 80k

Which I hope to use for demonstrating voltage dividers.

A few pictures of some previous boards, that I have built up.

Electronics 1

Power supply, we need to get power from a battery to the circuit.

Electronics 1

Reed switch (not soldered), 1uF capacitors (soldered) and a switch block, not soldered as I want to figure out which switch block to use (I have a few)

Electronics 1

I have added a 3 way header as this allows for:

  • Components to be attached together
  • Branches in circuits
  • Connection of meters, scopes and other equipment

It should be possible to build a circuit that, internally will flash, for example an LED then use a scope to examine the frequencies at different points in the circuit.

I plan to solder up other component boards. Hopefully I will have something to demonstrate, but other visitors should be able to have a go.

TAGS

#Electronics,#STEM,#STEMGroup,

Building a ping pong ball shooter – part 2

Building a ping pong ball shooter

Further to the previous post, the ball shooter is now built up. I do need to solder this together, at some point. For now, it works as it is. This is the test I did at the library (more space).

Links

TAGS

#YearOfTheFediverse,#FediverseRising,#Science,#Technology,#Engineering,#PingPongBall,#Shooter,#Electronics,#Projects, #LookingForEmployment.#LookingForOpportunities


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Building a ping pong ball shooter

Building a ping pong ball shooter

As part of an order from Better Equipped, I sent for a ping pong ball shooter. This consists of two rotating disks, which propel a ping pong ball forward.

So far, I have only partly built this. I need to do some soldering to complete. I also want to find a safe place to test it. This project will be demonstrated at the Paignton Library STEM group, but could be used in a school too. This would support, Science, Maths, Design & Technology and possibly other subjects.

Photos

shooter 1

Front showing wheels.

shooter 2

Note : Final wiring will be different to this.

shooter 3

Rear showing motors.

Links

TAGS

#YearOfTheFediverse,#FediverseRising,#Science,#Technology,#Engineering,#PingPongBall,#Shooter,#Electronics,#Projects, #LookingForEmployment.#LookingForOpportunities


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Code Club 4/12/2021 update

The next Club will be on Saturday 4th December 2021 @ Paignton Library. Please contact the library to book.

We will carry on with what we were doing last session, hopefully expand on what we were doing with the Micro:bit

In order to try and support this further, I have created a little connector board to help connect components to the Micro:bit computer.

Connector Board 1

Board and servo. The issue with the servo normally is that connecting to a Micro:bit with croc clips you need a solid connection. If you remove the connector you are simply left with very thin, multi core wire.

Connector Board 2

This board just bridges the gap, plug the board connector in to the top.

Connector Board 3

Then connect the crocodile clip(s) to the other set of connectors

Connector Board 4

A close up of the connection.

Please note: There is nothing special about doing this, I just soldered this up in the hope it may make things easier at code club. The servo could be swapped out for other sensors, for example a moisture sensor.

Update 2/12/2021

I have also created an LED board to go with the overall set of boards being created.

Connector Board 4

Links

Tags

#CodeClub,#FreeCodeCamp,#Microbit,#Scratch,#Electronics, #Technology,#Problem,#Solving

STEM GROUP MEETING

The Paignton STEM Group's aim is to bring together people who are interested in Science, Technology, Engineering and Maths. Provide a safe space for discussion, showcasing of projects and to encourage and advocate STEM subjects.

The first Paignton Library Stem Group meeting is

Date : Saturday 13th November 2021 Times : 11am –> 1pm & 1pm to 3pm

Booking essential. Under 8's must be accompanied by a parent.

01803 714 460 for details / booking

In preparation for this, I have been working on creating some electronics resources to demonstrate at the event.

These are quite simple to make, solder on headers and which ever component is needed for that particular board

Electronics 1

Various resistors 270ohm 330ohm 1k ohm 10k ohm

Electronics 1

Power supply, we need to get power from a battery to the circuit.

Electronics 1

Reed switch (not soldered), 1uF capacitors (soldered) and a switch block, not soldered as I want to figure out which switch block to use (I have a few)

Electronics 1

Transistor NPN 2n222A

All soldered up so they can just be wired up.

I have added a 3 way header as this allows for:

  • Components to be attached together
  • Branches in circuits
  • Connection of meters, scopes and other equipment

It should be possible to build a circuit that, internally will flash, for example an LED then use a scope to examine the frequencies at different points in the circuit.

I plans to solder up other component boards. Hopefully I will have something to demonstrate, but other visitors should be able to have a go.

TAGS

#Electronics,#STEM,#STEMGroup,

Arduino IDE on Debian

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The Arduino IDE package has been updated and is now back in Debian. It is also available in Debian 10.8.

I have installed the current version 2:1.0.5+dfsg2-4.1 Which is working fine.

apt install arduino arduino-core

So the first task is to add your user to the dialout group:-

DialOut

You need to authenticate for this:-

Authenticate

And set the folder where projects will be stored, usually this is ~/sketchbook

Sketchbook folder

You are then presented with the main IDE Screen:-

main screen

If you need to tweak some IDE settings then look at preferences:-

Preferences

I now need to update my netbook version to: 1.8.13-dfsg1-1.

REFERENCES

TAGS

#YearOfTheFediverse,#Electronics,#Arduino,#IDE

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Arduino in Debian

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Announcement from Feb 1st, Arduino software is now back in Debian. It is currently in the Testing release, so should hopefully be back in the main distribution very soon.

Read more on the Debian Blog

REFERENCES

TAGS

#YearOfTheFediverse,#debian,#arduino,#electronics

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License

A Look at the ATMegaZero Microcontroller

Another video from blitzcitydiy

Hosted on diode zone which is an instance of peertube video sharing.

#computing,#hardware,#hacking, #ATMegaZero,#MicroController,#electronics