Wednesday 30 September 2015 20:54
With the dark winter evenings drawing in we are starting to use the bikes more at night than in the day time due to work commitments to try to keep fit.
We purchased a set of Hope One LED lights earlier this year and they come with an...
Saturday 22 August 2015 13:51
Last week we ordered a new compact pc for the loft workshop and a new wide screen monitor to use for our electronics development and also to use with our SDR radio.
We purchased a Quiet PC Sentinel Mini system from www.quietpc.com as the...
Tuesday 11 August 2015 15:34
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 of the new smart...
Saturday 01 August 2015 12:19
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 helped to remove...
Friday 31 July 2015 22:09
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 plastic boxes but...
Wednesday 08 July 2015 11:47
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 or 12 bit ADCs you...
Tuesday 07 July 2015 12:53
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 30mm of rain coming down in...
Monday 15 June 2015 23:01
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 for the Raspberry...
Tuesday 19 May 2015 17:06
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 started by adjusting...
Monday 04 May 2015 13:24
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 on this robot...
Tuesday 07 April 2015 23:00
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 design is almost...
Monday 06 April 2015 22:17
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 iron elements and...
Wednesday 25 March 2015 19:00
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 from 6mm aluminium...
Monday 23 March 2015 12:00
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. Approximately...