November 2017 – Adrian’s electronics blog

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Projects

Sanyo 1970’s LED clock / radio resurrection (well sort of)

admin
21/11/2017

In the quest to make something useful out of a load of old junk I’ve found in my cupboards I came across my old clock radio I’ve had since 1978 a while back and decided to do something with it rather than throw it out. It actually worked but it had an ‘accident’ with the […]

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General

Ebay transistor tester testing

admin
19/11/2017

I bought myself one of those cheap transistor testers off ebay based on the Ardutester at https://forum.arduino.cc/index.php?topic=164112.0 which basically is an Arduino project that someone made which the Chinese commercialized and ripped off. It’s actually a great bit of kit but it’s clearly based on an Arduino project that was never intended to be a […]

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Microcontrollers

Playing with an 8051 microcontroller

admin
13/11/2017

I’ve been using the Arduino for a while now and made a few projects but at work we use the 8051 as the primary micro for our in house equipment. Yeah it’s outdated but Silicon Labs have taken the original 8051 design and vastly improved it with clock speeds of 100Mhz. It can easily outperform […]

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A WIFI spectrum analyzer and Talk-Talk routers suck A$$

admin
03/11/2017

A close relative of mine has been having lots of wifi connection issues over the last few months but just on a couple of devices. A scan of the wifi neighborhood showed only a couple of signals from adjacent houses which were too weak to cause a problem. I tried changing the channels, 150 or […]

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