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Anachrocomputer's Blog: Fixing Tek 5000 Scopes edit / delete
He has the same Tek scope that I do -- and it sounds like the same power supply fault. Time to order some new capacitors...
to electronics psu repair scope tek test-equipment ... on 17 January 2015
Amplitude Demodulating BPSK31 | Analog Zoo edit / delete
Since PSK31 is both phase- and amplitude-modulated, you can completely ignore the phase modulation and just envelope-detect it!
to digital-modes electronics ham modulation psk31 radio ... on 03 January 2015
! Brain transplant of a 30 year old printer. - Danny Chouinard's doodads edit / delete
Hey -- I've got one of these! (Actually, I think I have one complete one, and parts of a broken one that I dismantled.) These were sold with different branding as a more capable alternative to the Sinclair ZX Printer in the UK.
to electronics printer reverse-engineering spectrum thermal ... on 20 December 2014
Flashlight information edit / delete
And batteries and chargers and LED drivers and and and. Very comprehensive, and the author's consistent in how different items are reviewed, so it's a good basis for comparison.
to battery electronics flashlight led psu review torch ... on 20 December 2014
Old BBC Radio Broadcasting Equipment and Memories - Home Page edit / delete
Impressively comprehensive site about BBC facilities up to the 1980s -- including a detailed tour of Broadcasting House as originally built.
to audio bbc broadcast electronics london radio recording retrotech studio ... on 23 November 2014
martinjonestechnology | What's going on in the workshop? edit / delete
Interesting repair articles for various bits of test equipment and arcade boards.
to arcade electronics repair test-equipment ... on 03 October 2014
Rejuvenating Old Meters, February 1943 QST - RF Cafe edit / delete
Repairing and balancing mechanical meters. (I got here from an article about calibrating AVO meters...)
to electronics mechanica meter repair retrotech ... on 03 October 2014
tmk/tmk_keyboard ยท GitHub edit / delete
Open-source AVR firmware for keyboards. I keep meaning to convert the Heath keyboard that I've got sitting around...
to avr electronics firmware input keyboard microcontroller ps2 software usb ... on 25 August 2014
The Final Key - Hardware password manager with encryption edit / delete
A little USB device that pretends to be a serial port and a keyboard. Select an account using a terminal, push a button, and it types the password for it.
to electronics microcontroller password security usb ... on 24 August 2014
Bell System Technical Journal, 1922-1983 edit / delete
As it says.
to bell electronics history retrotech telephone ... on 24 August 2014
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tasty by Adam Sampson.