#opamps
Live, measured metrics for the hashtag #opamps from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #opamps
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-11-09 06:05 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-11-09 06:05 UTCNo related tags with measured usage found for #opamps.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-11-09 06:05 UTCEverything below is measured over the latest 26 public posts (spanning ~45602 hours).
Posting hours (UTC) — busiest: 17:00
Languages: English (25) · German (1)
Avg boosts / post: 0.4
Top of the latest posts
Three potentiometers control the duty cycle for pulse width modulation of the three colour channels of an RGB LED strip (non-addressable). The PWM signal is generated by #opamps (#LM358) configured as an oscillator and 3 comparators. An NPN
Using 7 dual #opamps (LM358) to generate PWM signals for driving a non-addressable RGB LED strip so that only one linear potentiometer is needed to sweep through the colours of the #rainbowFlag Project inspired by https://youtu.be/KMuTTQeQ4
Pulsating PWM using two #LM358 dual #opamps configured as a fast oscillator, a slow oscillator, and a comparator whose output is the source of one LED and the sink of another LED No microcontroller required #electronics #OperationalAmplifie
What “opamps” means
WikipediaAn operational amplifier is a DC-coupled electronic amplifier with a differential input, a (usually) single-ended output voltage, and an extremely high gain. Its name comes from its original use of performing mathematical operations in analog computers. The voltage-feedback opamp amplifies the voltage difference between its two inputs, while the less common current-feedback op amp (CFOA) amplifies the current between its two inputs.
“Operational amplifier” on Wikipedia (CC BY-SA) →#opamps across platforms
every network with a public tag surfaceFollow #opamps straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/opamps