555 Timer Circuits

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News

Forrest Mims, Radio Shack, and the Notebooks that Launched a Thousand Careers

Hackaday Forrest Mims, Radio Shack, and the Notebooks that Launched a Thousand Careers Hackaday There are valuable lessons there for the hacker community, far and above how to build a monostable multivibrator from a...

Jan 27, 2017

Review: Brick'R'knowledge – Learn everything from Ω to GHz

Elektor (blog) Review: Brick'R'knowledge – Learn everything from Ω to GHz Elektor (blog) Astable multivibrator (Image: Michael Knieling) The connector pins are bare, but security and isolation are not very...

Dec 15, 2016

Not Quite 101 Uses For An Analog UHF TV Tuner

Not Quite 101 Uses For An Analog UHF TV Tuner Hackaday ... would have had MOSFETs or even GaAsFETs. Most recently the local oscillator would have been a frequency synthesiser but in the era we are discussing it would have...

Jul 11, 2016

From Breadboard to Printed Circuit – Part I

ElectronicsWeekly.com (blog) From Breadboard to Printed Circuit – Part I ElectronicsWeekly.com (blog) PCB design is easy, right? To a certain extent that's fair to say; with a growing number of schematic design...

Nov 21, 2014

Charge-pump topology doubles voltage, breaks DC path

Charge-pump topology doubles voltage, breaks DC path EDN.com You could do that with an astable multivibrator using discrete parts. Joseph Bagdal W8AVD. Aug 15, 2016 9:18 AM EDT. 0 | 1. Reply. sreaves22645. Hi Michael, A...

Aug 11, 2016

Dudley Buck's Forgotten Cryotron Computer

IEEE Spectrum Dudley Buck's Forgotten Cryotron Computer IEEE Spectrum Immediately following the Second World War, electrical engineers grappled with a fundamental but open question: How should electronic digital...

Mar 19, 2014

Greet the Sun with a 555 Flute

Hackaday Greet the Sun with a 555 Flute Hackaday Continuing the theme of astability, [pratchel] went completely solderless and built the circuit on a breadboard. The LDR's legs are kept separate by a piece of...

Jun 3, 2016

Who Wouldn't Want a Big Hex Computer?

EE Times Who Wouldn't Want a Big Hex Computer? EE Times I once built a two-lamp astable multivibrator using a neon lamp and an argon lamp, running off the charge in a large electrolytic capacitor. At first, the...

Nov 10, 2016

One I/O line drives shift register with strobe

EDN.com One I/O line drives shift register with strobe EDN.com Further improvement is possible by adding a monostable multivibrator circuit , like in Reference 4. Finally, we propose the simplest solution. In this...

Mar 28, 2013

Add GPS To Your USB Dongle

Electronic Design Add GPS To Your USB Dongle Electronic Design The circuit uses an FT230XQ USB-to-UART bridge to link a serial GPS device to the USB port. ... The first multivibrator , U2, generates a delay during...

Apr 22, 2014

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