Samsung Tablet Cyber Police lockout
A customer has had this twice now, so I am documenting how to get rid of it. It presents itself as a locked out tablet, with a message from the local police organisation telling the user that they have been …
Category: Computer Stuff
Windows 7 & 8 update issue
The last half dozen Windows 7 clean installs I have done have had issues with updates. It appears to come about when automatic updates download and install an update to the Windows Update Agent. Following this update, updates no longer …
Arduino – multi cell battery voltmeter progress
As reported in the last post on this topic, I soldered headers onto the two 16 channel MUX and started testing. Since then I have spent a bit more time trying to get it all to work. The major change …
Arduino – voltage drop
I started working again on the multicell voltmeter, I soldered some header pins onto the two 16 channel multiplexers, and plugged them into a breadboard with arduino. Some basic testing proved that my optimism was completely unfounded. So using best …
SMS on the PC
I find myself getting more and more jobs where the only contact I get is a cell phone number, and while I will call the number if necessary, a 10 second call to tell someone their PC is ready costs …
Windows 10 self installing
I have had a few customers come in telling me that Windows 10 installed itself, and no disrespect to the customers, I took what they said with a grain of salt. However, the latest customer who rang and asked for …
Windows 10 update issues, March 2016
I have had a spate of issues with Windows 10 computers recently, with symptoms such as not shutting down, not restarting, black screen on restarting, very, very slow running and a few others. The common thread in them all seems …
Electric Bikes – high current connectors
Electric bikes don’t use excessively high ampages, or at least they shouldn’t in theory. A 300w motor on a 36v battery, should use just 300/36 amps, or 8.333 amps. Of course this is not how smart motors work, nor how …
Multi Cell Voltmeter
The big order of Arduino related products has started to arrive, the key components, the Arduino mega 2560 clone and the TFT LCD screen arrived two days ago, along with some of the voltage sensors, and most of the jumper …
New Project – Electric Bikes, Arduino and Programming
Exciting times – a new project, bringing together Electric Bikes, Computers and Programming! During my troubles with batteries (which are pretty much sorted now) I realised I needed a way of looking at the voltage of all the 12 cells, …
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