CR+LF Has a Long History

The ASR33, like most teletypes of the era, works at a fixed rate. It does 10 characters per second. It is 110 Baud, using 1 start, 8 data (i... | Continue reading


@revk.uk | 2 years ago

ADSL works over wet string (2017)

Broadband services are a wonderful innovation of our time, using multiple frequency  bands  (hence the name) to carry signals over wires (us... | Continue reading


@revk.uk | 2 years ago

Ban Multiplication (2015)

We have seen cries to ban encryption by the UK government (and others). They are couched in wording to try and get some sympathy for thi... | Continue reading


@revk.uk | 3 years ago

ADSL over Wet String

Broadband services are a wonderful innovation of our time, using multiple frequency  bands  (hence the name) to carry signals over wires (us... | Continue reading


@revk.uk | 3 years ago

UK Cyber Security Council

There is a press release for a new UK Cyber Security Council ( here ). It is not 100% clear who they are, and whilst they mention various li... | Continue reading


@revk.uk | 3 years ago

ASR33 Consumables

One of the issues with my ASR33 Teletype is consumables. Where can you buy teletype supplies these days? The three things it eats are paper,... | Continue reading


@revk.uk | 3 years ago

Connecting an ASR33 Teletype to an ESP32

As you know, I now have a working ASR33 teletype (see here for notes on restoration). Even though a few more bits to do, notable the case, ... | Continue reading


@revk.uk | 3 years ago

How not to QR (NHS C19 app)

There is now law requiring (from 24th Sep) a QR code to be displayed in various premises so people can scan it in to a track and trace app. ... | Continue reading


@revk.uk | 3 years ago

Internet in a Box

I have finished my cruise now, which was mostly holiday, but also some work. I did some training for my mates (mainly in C coding) and we di... | Continue reading


@revk.uk | 4 years ago

Eicar Test QR

It seems there is something of a standard test string for anti virus ( wikipedia has more on this). The idea is that systems that look fo... | Continue reading


@revk.uk | 4 years ago

What are N26 bank up to?

N26 ( www.n26.com ) are a new/challenger bank much like Starling or Monzo (both of which are great). So I got an account, mainly because o... | Continue reading


@revk.uk | 5 years ago

Unicode has Egyptian genitalia hieroglyphs

One of the things that has always slightly amused and puzzled me is that unicode lacks a "cock" glyph. I mean, it seems to have characters a... | Continue reading


@revk.uk | 5 years ago

GDPR: Secret black lists

I think I have this right, but it seems rather concerning to me with the way GDPR has tightened things up so much there looks to be a concer... | Continue reading


@revk.uk | 5 years ago

Analogue phones, 1876 to 2025, RIP

Analogue phones have been around a long time, but BT plc have finally announced that in the UK the analogue phone will be gone by 2025. ... | Continue reading


@revk.uk | 5 years ago

Analogue phones, 1876 to 2025, RIP

Analogue phones have been around a long time, but BT plc have finally announced that in the UK the analogue phone will be gone by 2025. ... | Continue reading


@revk.uk | 5 years ago