5 ms·
As an electronics experimenter I would have to say the REAL eternal chip is the 555 introduced in 1972. It's become a bit of a meme: You could have used a 555
by rzzzwilson 1y ago
As an electronics experimenter I would have to say the REAL eternal chip is the 555 introduced in 1972. It's become a bit of a meme: You could have used a 555 for that!
https://en.wikipedia.org/wiki/555_timer_IC https://en.wikipedia.org/wiki/555_timer_IC
- iberator 1y agoHighly agree
- deleted 1y ago[deleted]
- geomark 1y agoYep. Just used a 555 today to whip up a low frequency clock source.
- tgv 1y agoOr that opamp, the 741?
- gzalo 1y agoRelated video: stop using the LM741 https://www.youtube.com/watch?v=e67WiJ6IPlQ https://www.youtube.com/watch?v=e67WiJ6IPlQ
- amitprayal 1y agoLM324 or LM358 is the way to go
- MomsAVoxell 1y agoAY-3-8910 or gtfo.
- rzzzt 1y agoHow about that 8 sound effects IC with the machine gun, bombs away, laser pew-pew, siren sounds?
- dreamcompiler 1y ago76477. I still have one on a board around here somewhere. https://en.wikipedia.org/wiki/Texas_Instruments_SN76477 https://en.wikipedia.org/wiki/Texas_Instruments_SN76477
- rzzzt 1y agoI'm thinking of these ICs: https://www.reddit.com/r/AskElectronics/comments/a8af60/can_you_tell_me_what_the_history_of_the_8_sound/ https://www.reddit.com/r/AskElectronics/comments/a8af60/can_... One of the more famous toys using it (in blob form) is the Executor/Echo Keyller keychain: https://youtu.be/20W6AJuMjEk https://youtu.be/20W6AJuMjEk
- fhdkweig 1y agoYou can even make a rug out of it. https://www.righto.com/2025/09/marilou-schultz-navajo-555-weaving.html https://www.righto.com/2025/09/marilou-schultz-navajo-555-we...
- kjs3 1y agoIt's become a bit of a meme: You could have used a 555 for that! Unfortunately, those days seem to be gone. Now any time I see someone point out "you could just use a 555 for that", people are replying "I just threw an PIC/AVR/STM32/RPi in there instead...software is so much better than having to do math to calculate those R and C values".
- crote 1y agoMCUs are just too cheap not to use them these days. They were always more flexible, are usually more accurate, and are often easier to engineer. With the price point now being roughly the same, it makes zero business sense to go for a 555. "You could've used a 555" is becoming the new "you could've used a punch card"/"you could've used a vacuum tube": true, but would that make it better?