Electroteach

When starting the computer, hold down the SHIFT key and wait for the GRUB prompt.
I needed this as I had to edit a parameter that seemed to have been added in a recent upgrade.

press the E key and you are taken into the edit process for the config file.
Find the parts that you want to change, maybe just deleting an option, and then press F10 to continue the boot process.
The config file is not changed at that point - you have to do that separately - more later.

To make the change permanent we have to use something equivalent to:

These are notes from some of my experiences in Electronics, Computer Software Design, Network Engineering, Mathematics, Life and the universe.

There is a setting, under Settings, on iPhone 5C, on iOS 10.3.3, that goes by the name "Do Not Disturb".{DND} Some useful options available are:


turning "Scheduled" ON
From 22:00
To 07:00
Allow calls from Favourites ON
Turning Repeated Calls ON
Silence ALWAYS


Here is a summary of the work I have done and appreciation that I have for the Freetronics Cube. The Cube provided a point of focus for many technical aspects of electronics and computing. By the way, I am letting Grammarly suggest changes to the spelling and grammar in this particular article.

First term

First definition

Second term

Second definition

A burst of energy and enthusiasm for my family of mcus led me to a busy day. I was searching for some info on an STM8s-discovery board and came across the live video feed of Russian Soyuz MS-09 spacecraft ISS resupply launch, which was great to watch.


series result 3.70
series result 7.40
series result 11.10
series result 14.80
series result 18.50

Use LiIon source 7.40 to produce Vreg 5.00 output

Use LiIon source 11.10 to produce Vreg 5.00 output
Use LiIon source 11.10 to produce Vreg 6.00 output
Use LiIon source 11.10 to produce Vreg 8.00 output
Use LiIon source 11.10 to produce Vreg 9.00 output

A sample from the result of some BLE experiments.
Curie BLE Arduino

A restart in a side interest in IR photography. The EXIF data for such pictures show camera type and exposure details. Error in uploading due to size is 2.4MB. fix this and try again.

A long-standing interest has been fractals and their generation. A favourite language at the moment is Haskell. Here are a few examples created by a Haskell program, the source of which is forked and available here.