Hackaday (unofficial) November 3, 2024 4:00pm Oscillator Needs Fine-Tuning #clockhacks #clock #frequency #oscillator #ovenoscillator #temperaturecontrolledoscillator #temperaturecontrol #txco #hackaday posted by pod_feeder_v2 Oscillator Needs Fine-Tuning Since their invention more than a century ago, crystal oscillators have been foundational to electronic design. They allow for precise timekeeping for the clocks in computers as well as on our wris…
Hackaday (unofficial) May 1, 2024 6:00am Simplest Speaker Oscillator, Now Even Simpler #mischacks #audio #diaphragm #oscillator #speaker #hackaday posted by pod_feeder_v2 Simplest Speaker Oscillator, Now Even Simpler It never fails. Lay down some kind of superlative — fastest, cheapest, smallest — around this place and someone out there says, “Hold my beer” and gets to work. In this case…
Hackaday (unofficial) February 23, 2024 10:00pm Op-Amp Drag Race Turns Out Poorly for 741 #parts #741 #opamp #oscillator #performance #slewrate #testing #tl081 #hackaday posted by pod_feeder_v2 Op-Amp Drag Race Turns Out Poorly For 741 When it was first introduced in 1968, Fairchild’s 741 op-amp made quite a splash. And with good reason; it packed a bunch of components into a compact package, and the applications for it wer…
Hackaday (unofficial) February 18, 2024 10:00pm No Inductors Needed for This Simple, Clean Twin-Tee Oscillator #hardware #mischacks #feedback #filter #mcp6002 #notch #opamp #oscillator #rc #twintee #hackaday posted by pod_feeder_v2 No Inductors Needed For This Simple, Clean Twin-Tee Oscillator If there’s one thing that amateur radio operators are passionate about, it’s the search for the perfect sine wave. Oscillators without any harmonics are an important part of spectrum hy…
Hackaday (unofficial) February 17, 2024 10:00pm Back to Basics with a 555 Deep Dive #hardware #555 #backtobasics #blinkenlights #deepdive #oscillator #shouldhaveuseda555 #timer #tutorial #hackaday posted by pod_feeder_v2 Back To Basics With A 555 Deep Dive Many of us could sit down at the bench and whip up a 555 circuit from memory. It’s really not that hard, which is a bit strange considering how flexible the ubiquitous chip is, and how many w…
Hackaday (unofficial) September 22, 2023 12:00am Altoids Tin Spy Radio Goes Solid State #radiohacks #amateurradio #ham #lowpower #oscillator #qrp #si5351 #transceiver #hackaday posted by pod_feeder_v2 Altoids Tin Spy Radio Goes Solid State [Helge Fykse (LA6NCA)] has a type, as they say. At least as far as radios are concerned, he seems to prefer elegant designs that keep the BOM to the minimum needed to get the job done. And Altoids …
Hackaday (unofficial) September 12, 2023 9:00am Clock Hack Gives DEC Rainbow a New Lease on Life #arduinohacks #parts #retrocomputing #arduino #clock #dec #oscillator #pacemaker #rainbow100b #si5351 #hackaday posted by pod_feeder_v2 Clock Hack Gives DEC Rainbow A New Lease On Life In retrocomputing circles, it’s often the case that the weirder and rarer the machine, the more likely it is to attract attention. And machines don’t get much weirder than the DEC Rainb…
Hackaday (unofficial) August 11, 2023 6:00am An LM386 Oscillator Thanks to Tungsten Under Glass #classichacks #mischacks #agc #automaticgaincontrol #feedback #incandescent #lm386 #oscillator #positivetemperaturecoefficient #ptc #tungsten #wienbridge #hackaday posted by pod_feeder_v2 An LM386 Oscillator Thanks To Tungsten Under Glass Once ubiquitous, the incandescent light bulb has become something of a lucerna non grata lately. Banned from home lighting, long gone from flashlights, and laughed out of existence by automotive en…
Hackaday (unofficial) May 20, 2023 6:00am Spy Transceiver Makes Two Tubes Do the Work of Five #radiohacks #amateur #continuouswave #cw #ham #mixer #oscillator #relay #sidetone #spyradio #transceiver #vacuumtube #hackaday posted by pod_feeder_v2 Spy Transceiver Makes Two Tubes Do The Work Of Five Here at Hackaday, we love following along with projects as they progress. That’s especially true when a project makes a considerable leap in terms of functionality from one version to another…
Hackaday (unofficial) March 29, 2023 4:00pm Two-Tube Spy Transmitter Fits in the Palm of Your Hand #classichacks #radiohacks #amateur #cw #ham #morse #oscillator #qrp #qso #radio #spyradio #vacuumtube #hackaday posted by pod_feeder_v2 Two-Tube Spy Transmitter Fits In The Palm Of Your Hand It’s been a long time since vacuum tubes were cutting-edge technology, but that doesn’t mean they don’t show up around here once in a while. And when they do, we like to feature t…
Robert Biloute - on diaspora-fr.org February 14, 2023 5:11pm https://www.youtube.com/watch?v=MH03ZJaNe8A #oscillator
Robert Biloute - on diaspora-fr.org January 24, 2023 10:08am https://www.youtube.com/watch?v=4GaGnU8Ij2Y #pendulum #oscillator #music
Hackaday (unofficial) January 5, 2023 5:00pm A Practical Glue Stick Oscillator #parts #radiohacks #gluestick #oscillator #permeabilitytuning #hackaday posted by pod_feeder_v2 A Practical Glue Stick Oscillator A few months ago we brought you some experiments from [Bill Wera, N2CQR], in which he investigated the use of a glue stick as the former for a permeability tuned inductor. His set-up was very much …
Hackaday (unofficial) October 1, 2022 12:00pm Lamp Flashing Module Is Perfect For Automotive Use #carhacks #classichacks #car #cars #flasher #flashercircuit #oscillator #hackaday posted by pod_feeder_v2 Lamp Flashing Module Is Perfect For Automotive Use Modern cars tend to have quite advanced lighting systems, all integrated under the control of the car’s computer. Back in the day, though, things like brake lights and indicators were all don…
Hackaday (unofficial) September 1, 2022 3:00am Solar Cells As Art Form #art #mobile #oscillator #solarcell #sound #speaker #hackaday posted by pod_feeder_v2 Solar Cells As Art Form When most of us approach a project, we have a certain problem to solve. 3D printing, microcontrollers, batteries, and all kinds of technologies are usually tools to accomplish some task. This is no…
Hackaday (unofficial) July 17, 2022 9:00am A No-Calibration Metal Detector #arduinohacks #ardunio #metaldetector #oscillator #hackaday posted by pod_feeder_v2 A No-Calibration Metal Detector A traditional early project for someone discovering a love for electronics has been for many years a metal detector. This would mean a few transistors back in the day, but today it’s more lik…
Hackaday (unofficial) May 29, 2022 3:00pm Relax and Enjoy This Simple Drone Synthesizer #musicalhacks #avalanche #drone #oscillator #relaxation #sthesizer #synth #hackaday posted by pod_feeder_v2 Relax And Enjoy This Simple Drone Synthesizer You’d think that a synthesizer that makes as much noise and sports as many knobs as this one would have more than a dozen transistors on board. Surely the circuit behind the panel is complex,…
Hackaday (unofficial) May 2, 2022 12:00pm DIY Metal Detector Gives You The Mettle To Find Some Medals #classichacks #news #circuit #coil #metaldetector #opamp #operationalamplifier #oscillator #simple #hackaday posted by pod_feeder_v2 DIY Metal Detector Gives You The Mettle To Find Some Medals Hurricane season is rapidly approaching those of us who live in the northern hemisphere. While that does come with a good deal of stress for any homeowners who live in the potential paths of storms…
Hackaday (unofficial) January 11, 2022 10:00am The Atari Punk Console, Now With More Vacuum Tubes #classichacks #musicalhacks #555 #apc #astable #ataripunkconsole #monostable #oscillator #synth #vacuumtube #hackaday posted by pod_feeder_v2 The Atari Punk Console, Now With More Vacuum Tubes Most of us have beheld the sonic glory of an Atari Punk Console, that lo-fi synth whose classic incarnation is a pair of 555 timers set up to warble and bleep in interesting ways. Very few of us, h…
Hackaday (unofficial) September 25, 2021 6:00am Classic Chip Line-Up Powers This Fun Dub Siren Synth #musicalhacks #555 #741 #dub #echo #lm386 #oscillator #reverb #siren #synth #hackaday posted by pod_feeder_v2 Classic Chip Line-Up Powers This Fun Dub Siren Synth There’s a certain elite set of chips that fall into the “cold, dead hands” category, and they tend to be parts that have proven their worth over decades, not years. Chief among th…