Bits and pieces – Page 2 – Matt's Tech Pages

DS28E17 Breakout Boards

April 16, 2021September 13, 2022 Bits and pieces

Recently I added a post describing how to build a 1-wire bus ambient light sensor with the VEML7700 and DS28E17. I also have a few other jobs for the DS28E17…Continue readingDS28E17 Breakout Boards

Through-hole solution for XBee SX modules

April 1, 2021September 13, 2022 Bits and pieces

I was surprised to find that unlike other XBee products, for SX modules, though-hole isn’t really a thing. Given that these modules are quite expensive, I was keen to see…Continue readingThrough-hole solution for XBee SX modules

Creating a 1-wire bus ambient light sensor with the DS28E17 and VEML7700

March 23, 2021September 13, 2022 Bits and pieces Circuit snippets

Introduction Is your premises laced with 1-wire bus cabling? Wanting to add an ambient light sensor into the mix without running new cabling? This might just be for you. This…Continue readingCreating a 1-wire bus ambient light sensor with the DS28E17 and VEML7700

Soldering QFNs using solder paste and stencils

March 13, 2021September 13, 2022 Bits and pieces

In this post I’ll be describing a method of soldering QFNs using solder paste which will achieve the best results, however, beware that solder paste, especially leaded types is very…Continue readingSoldering QFNs using solder paste and stencils

New (old) project added – intelligent fan speed controller

March 8, 2021March 8, 2021 Bits and pieces

I normally endeavour to get projects up onto this website at most a few months after completion. This one’s been knocking around in my archive for a decade. Read more…Continue readingNew (old) project added – intelligent fan speed controller

Controlling a Honeywell BDR91 boiler relay with an RFBee or HGI80

January 30, 2021January 31, 2021 Bits and pieces

I’ve been meaning to get around to figuring out how to do this for a while now. Expecting difficulty, I was surprised to find out that it’s a piece of…Continue readingControlling a Honeywell BDR91 boiler relay with an RFBee or HGI80

mattmillman.com on IPv6 once again

December 15, 2020December 27, 2020 Bits and pieces

According to Google over 30% of internet users now connect over IPv6. Despite this, many, even in my own professional circle (including those who are supposed to be focused on…Continue readingmattmillman.com on IPv6 once again

So… are those Amazon sourced £20 drill batteries any good then?

August 5, 2020August 5, 2020 Bits and pieces

In the case of the one I purchased: No. Warning: this post contains a lot of technical details the average person isn’t going to care much for. Feel free to…Continue readingSo… are those Amazon sourced £20 drill batteries any good then?

Specialty Electrical Tapes

March 12, 2020March 12, 2020 Bits and pieces

It has occurred to me that I’ve got quite a collection of these – and have written an article on this subject. Read more about it here.

New project published – low cost ultra high output variable DC power supply

December 21, 2019December 21, 2019 Bits and pieces

For the past few weeks I’ve been hammering out this project which shows how to re-use old I.T. power supplies for other purposes.

Category: Bits and pieces