Legacy Personal Blogs

Please Note:

This blog contains the legacy personal blog posts of our members, other than our Top Members whose content has been migrated into individual blogs in this area. Our new platform does not have personal blogs so this is how we have preserved the personal blog posts of our members from the Jive platform. No new posts will be permitted in this blog. Instead, if you wish to create blog content, please post it in the blog in the most appropriate topic area.

DCMotorsMobile Robot : Full 3D Printed Chassis

dubbie

I printed out the remaining part for my half dome head for the DC Motor Mobile Robot and I decided that I did not really like it. It didn't fit together particularly well and it just didn't look very good. So, I decided to return to my ...
- 11 Jun 2019
YAPS Part Eight - Prototyping the Power Stage

Andrew J

EDITS: 14/6/19 - updated navigation link 27/6/19 - updated post for built power stagePrototyping BoardI'm waiting for new PCBs to come before cr...
- 11 Jun 2019
DC Motor Mobile Robot : The Top Rotating Dome

dubbie

The next step in my DC motor mobile robot was the 3D printing of the top dome part. The purpose of this part is to contain some sensors so that the mobile robot can obtain information about the environment in front of the chassis. By making this a ro...
- 10 Jun 2019
Amplifier test board

three-phase

This is the test board I made up for the experimenting with polymer capacitors challenge based around my current amplifier project. I had meant to include this in the first challenge blog, but published the blog without including it, so I will put it...
- 9 Jun 2019
DC Motors Mobile Robot : Adding the Battery Container

dubbie

The next step in my DC Motor Mobile Robot is to add the battery container. This is a 3D printer box that a slightly smaller 4 x AA battery holder fits into. I decided to use a smaller battery holder as the original one did not leave any room for putt...
- 7 Jun 2019
DC Motor Build #2 : Almost Completed Chassis and First Trials

dubbie

Having purchased some of the Micro Metal GearMotors I decided to make a small mobile robot to try them out. As the motors are so neat I decided that I would try to make a mobile robot that was also 'neat' and try and make it look as nice as p...
- 6 Jun 2019
ATmega/ATtiny Microcontroller Programming Shield for Arduino As ISP R1

andrewsays

ATmega/ATtiny Microcontroller Programming Shield for Arduino As ISP R1 I like using ATmega/ATtiny microcontrollers for my projects.I normally use Arduino IDE and Arduino As ISP to program them.I built a shield for the programming by myself for m...
- 6 Jun 2019
Entrepreneur

manikandan341

Can any one guide me to be entrepreneur...?
- 6 Jun 2019
"Attack of the Surfarians!" Case/Artwork Dimensions

airbornesurfer

Greetings, Programs! If you'd like to build your own Attack of the Surfarians! handheld or think you've got some rad period artwork in you, here are the dimensions of the handheld that I built. Let me know if you need anything else to get starte...
- 6 Jun 2019
Attack of the Surfarians! Arduino Sketch

airbornesurfer

This is the current state of the "Attack of the Surfarians!" game code and will be updated as necessary.Please check out Julius Roberts's website for the original public domain code that I'm working from /* Attack of the Surfarians! v0.9 CC-...
- 5 Jun 2019
YAPS Part Seven - Prototyping of Arduino Interface

Andrew J

EDITS: 6/11/19 - Fixed broken links; Added link to Part Eight. I'm going with an Arduino interface to display voltage, current, power and temperatures. In the first version this will be display only - controls for setting voltage and c...
- 5 Jun 2019
Getting Better with DC Motors

dubbie

In the recent Month of Robots competition I made something I called SuperRobot, but disapprovingly it wasn't so super as the DC motors and drivers I selected just didn't seem up to the task of moving the quite heavy chassis. I decided that I ...
- 5 Jun 2019
Project Hawthorne Wiring Diagram

airbornesurfer

Here's the Fritzing diagram for Project Hawthorne/"Attack of the Surfarians". Hopefully you can read it okay, especially around the matrix. Attachments:community.element14.com/.../hawthorne_2D00_fritzing.zip
- 5 Jun 2019
6.25 Watt Hamradio Dummy Load

bernhardmayer

In the last couple of weeks I had a little side project: a hamradio dummy load especially for the 2 m and 70 cm hamradio bands but it should also work on higher frequencies. A dummy load (https://en.wikipedia.org/wiki/Dummy_load ) is a handy device w...
- 31 May 2019
YAPS Part Five - Design - PCB

Andrew J

The KiCad files are available on Github.Custom footprints and custom symbols can be downloaded from Github. You’ll need to add a link to these in KiCad’s preferences so that the projects don’t error when opening. I’m assuming that if you ...
- 29 May 2019
YAPS Part Four - Design - Calculations (iii)

Andrew J

EDITS: 6/11/19 - Fixed broken links; Updated calculations for LM7805 Thermal CalculationsThe biggie! In theory, the design should run without generating high temperatures but I want to be sure. I have calculated power dissipation and...
- 29 May 2019
YAPS Part Four - Design - Calculations (ii)

Andrew J

EDITS: 6/11/19 - Fixed broken links LTC1624 CalculationsI have spent a fair bit of time trying to get a good understanding of this part of the design (and to be honest, I’m still working on that!). I have used the data sheet to make the ne...
- 29 May 2019
YAPS Part Four - Design - Calculations (i)

Andrew J

EDITS: 11/6/19 - Fixed broken links As part of the analysis I was doing into the design and selection of parts, I ran up some calculations. I also validated the thermal characteristics of the key parts to see how likely they were to need h...
- 29 May 2019
YAPS Part Three - Design - LTSpice

Andrew J

EDITS: 11/6/19 - fixed broken links LTSpice files are available on Github. You will need to put the directory ‘Andrews Parts’ in the sym directory for LTSpice library but you can delete it when finished. It’s just used to hold the .a...
- 29 May 2019
YAPS Part two - Design - Schematic

Andrew J

EDITS: 11/6/19 - Fixed broken links; Changed schematic for low voltage supply following change of LM7805 21/7/19 - Attached a PDF containing the whole schematic The first st...
- 29 May 2019
YAPS Part One - Introduction

Andrew J

EDITS: 6/6/19 Updated navigation links. 11/6/19 Added link for part 8; fixed broken links. 14/6/19 Updated navigation ...
- 29 May 2019
YAPS Part Six - Design - BOM

Andrew J

EDIT: 6/6/18 - fixed broken links; updated link to part 7 The BOM is in the attached spreadsheet (and Github) but I haven’t copied it here: I suspect that it’s only of interest to those people who want to download it. There are two copies:...
- 29 May 2019
Suivit de mon projet domotisation

Qtroniks

Bon je vais ici continuer le log de ma passion pour domotiser ma maison.J'ai déjà fait beaucoup mais je ne veux pas entrer dans les anciens détailles. Mon truc a moi pour bien suivre mes créations et ma progression est d'avoir un Wiki sur mon se...
- 26 May 2019
The Causes of Ground Bounce and How To Avoid It

caroline_teledynelecroy

We've been discussing the topic of ground bounce on digital I/O lines as well as an effective way to diagnose and analyze it. We've also run through a detailed example of how to measure it using a quiet-low I/O driver as a sense line. Now, let's take...
- 24 May 2019
Introducing students to IoT

davidlockett

The Internet of Things refers to a connected group of physical devices that can exchange data and thus interact with the physical world in an enhanced way. According to analysts, there will be 20.4 billion Internet of Things (IoT) devices by 2020. Th...
- 24 May 2019