Random projects and posts - page 7

USB Smart Charger with Bluetooth LE

11 AUGUST 2015

For the past few months we have been working on a set of new USB smart chargers which run from our off grid 12V system to be used for charging tablets, smartphones and other devices which charge from a USB port. The aim...

HackRF One Shielded Case Installation

01 AUGUST 2015

In 2014 we purchased a HACKRF One SDR radio and quickly found that the receiver was being swamped with local interference from nearby transmitters and other equipment. We installed the optional HACKRF EMI Shield which...

Powerpole Fused Distribution Board Case

31 JULY 2015

Since building the Powerpole fused distribution boards we have been planning to make a case to prevent accidental short circuits on the pcb boards when power is applied. We looked at commercial cases and found some suitable...

Designing a PIC24 Development Board

08 JULY 2015

Several of our recent projects have used a 16 bit PIC24 microcontroller from Microchip.  The PIC24FJ128GC006 contains two 16-bit ADC channels which makes it useful for measuring voltages more accurately than the 10...

July Storms and Flooding

07 JULY 2015

Lightning over Poole from the Studland road viewpoint The full size image of the photo above is on my Flickr pages. On the 3rd July we had a huge thunderstorm and rain storm in the evening which resulted in over...

Windows 10 IOT Libraries for Raspberry Pi

15 JUNE 2015

Since the announcement that Windows 10 IOT was being released to use on the Raspberry Pi model 2 we have been experimenting with the platform and Andrew has been busy converting the Python 2 and 3 libraries he had written...

DIY Pick and Place Speed Updates

19 MAY 2015

Since adding the various modifications to the DIY pick and place machine in the past few months we have now been able to tweak the speed and acceleration of the stepper drivers to improve the machines placement times. We...

DIY Soldering Robot Project Completed

04 MAY 2015

The DIY soldering robot which we have been building in our spare time over the past few months is now working and we have been able to solder some test Raspberry Pi expansion board headers with the machine. Before starting...

Soldering Robot Designing the Motor Driver Board

07 APRIL 2015

For several months now we have been working on a new soldering robot to solder the 40 pin headers onto the raspberry pi expansion boards we build and sell on our AB Electronics UK website.  The mechanical side of the...

Soldering Robot Temperature Controller

06 APRIL 2015

With the mechanical side of the soldering robot well underway the next stage was to begin work on the electronics that will control it.  In a previous post I wrote about our decision to use the Antex TCS230 soldering...

Soldering Robot Solder Feeder

25 MARCH 2015

Today we finished the machining and building of the first of two solder feeders for our DIY soldering robot project. The main body of the feeder was milled from 10mm aluminium and the tensioner roller assembly was milled...

HackRF One SDR EMI Shield installation

23 MARCH 2015

In September 2014 I pre ordered a HackRF One SDR radio from Passion Radio Shop and on the 13th March 2015 it arrived! Initial testing with the HackRF showed that it was being swamped with external RF from nearby transmitters....

Soldering Robot Head Assembly

14 MARCH 2015

We have finished the soldering iron element slider system and stepper mount for the new soldering robot project. The soldering iron element slides on a pair or 6mm rails, drylin® accessories, precision aluminium shaft...

Antex TCS230 50W Temperature Controller Part 1

08 MARCH 2015

We are working on a new project to make a dual headed soldering robot to automate the soldering of the dual in line header pins on the Raspberry Pi expansion boards we design, manufacture and sell on our shop at www.abelectronics.co.uk We...

Cycle Training with Video Routes

26 JANUARY 2015

In November 2014 my brother and I decided to buy a pair of Specialized CruX E5 cyclocross bikes to use in addition to our full suspension mountain bikes. We decided to buy cyclocross style bikes rather than pure road bikes...

Raspberry Pi board Test Jigs

21 DECEMBER 2014

Since starting to design and manufacturer our own Raspberry Pi expansion boards which we sell on www.abelectronics.co.uk we have found that the testing phase of the board production has always been very time consuming as...

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About Me

Brian Dorey

Welcome to my blog, here you will find my projects and other things.
I make websites and manufacturer and sell expansion boards for the Raspberry Pi range of computers.

AB Electronics Raspberry Pi shop

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