electronics | Brian Dorey.com

Testing 18650 Li-ion Batteries

Posted Thursday 11 May 2017 12:12 Page View Counter 960

We recently designed a barcode scanner to use with our online store. To power the scanner, we decided to use 18650 size lithium ion batteries as they are high capacity for their weight and cheap to buy. This was the first project that...

View Testing 18650 Li-ion Batteries post

HP MediaSmart EX475 VGA Port Mod and Linux Install

Posted Sunday 19 February 2017 22:06 Page View Counter 2030

For many years we have used our old HP MediaSmart EX475 (WHS) Windows Home Server box as a secondary NAS drive on our home network to keep a backup from our main Synology Diskstation NAS drive. The Synology has 4 x 4TB drives configured as a RAID...

View HP MediaSmart EX475 VGA Port Mod and Linux Install post

CIF CF02 Reflow Oven Upgrade to Zallus Learning Controller

Posted Friday 09 December 2016 23:31 Page View Counter 1004

For the past four years, we have been using a CIF CF02 reflow oven to reflow and cook our circuit boards which we sell on www.abelectronics.co.uk and for our own projects. The oven initially needed a lot of tweaking to get a reliable reflow process...

View CIF CF02 Reflow Oven Upgrade to Zallus Learning Controller post

10Mhz Frequency Standard Distribution Project

Posted Sunday 04 September 2016 16:24 Page View Counter 1215

Several months ago we purchased a FE-5680A Rubidium Frequency Standard from eBay, part number P/N 217400-30352-1. We planned to use the frequency standard as a reference for our frequency counter, spectrum analyser and our HackRF One SDR radio which has...

View 10Mhz Frequency Standard Distribution Project post

CIF Relflow oven forced air cooling fan addon

Posted Saturday 23 April 2016 21:56 Page View Counter 419

When building our Raspberry Pi expansion boards we use lead free solder paste and a C.I.F FT02 batch reflow oven to cook the boards. The C.I.F promotional videos show the oven being used on a workbench without any fume extraction but after our...

View CIF Relflow oven forced air cooling fan addon post

5uH LISN Tester Project

Posted Saturday 16 April 2016 14:07 Page View Counter 968

We needed to be able to test some of our circuits for EMI issues via the power lines and after some research we found a product called TBOH01 5UH Line Impedance Stabilisation Network LISN from Tekbox (http://www.tekbox.net/test-equipment/tboh01-5uh-line-impedance-stabilisation-network-lisn-cispr25)...

View 5uH LISN Tester Project post

ESP8266 Mains Energy Monitor

Posted Friday 01 January 2016 21:09 Page View Counter 3237

In November of last year we finished work on our Raspberry Pi based solar data logger, a part of our ongoing smart home project that we have been working on for several years now. The solar logger monitors all of the energy usage for the solar...

View ESP8266 Mains Energy Monitor post

Nest Learning Thermostat 3rd Gen Hot Water Installation

Posted Friday 04 December 2015 22:12 Page View Counter 7940

Today the new 3rd Gen Nest Learning Thermostat with hot water control arrived which we had ordered last month when the new UK model with hot water control was announced. We needed the Nest Thermostat with the hot water control to replace our old...

View Nest Learning Thermostat 3rd Gen Hot Water Installation post

Raspberry Pi Solar Data Logger Version 2

Posted Monday 30 November 2015 19:54 Page View Counter 2539

Three years ago we designed a solar data logger based on a Raspberry Pi which monitored the solar heating and PV system in the house as well as measuring the amount of energy we were using. This system has served us well but over time we have...

View Raspberry Pi Solar Data Logger Version 2 post

Mastervolt Soladin 600 Optical Interface Noise Fail

Posted Wednesday 11 November 2015 21:12 Page View Counter 792

Since we solved the RF interference problems http://www.briandorey.com/post/mastervolt-soladin-rf-filtering with our Mastervolt Soladin 600 mains inverter we had planned to use the data port to link to our Raspberry Pi based home data logger...

View Mastervolt Soladin 600 Optical Interface Noise Fail post