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John Calhoun

John Calhoun

Bluesky @engineersneedart.com
⚔ Compare ☆ Follow Own this channel?
🔄 Data last refreshed 24 days ago
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Make a deal with John Calhoun

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne post with your link and message, clearly disclosed. $20→ 🧵Sponsored threadA 3–5 post storytelling thread — Bluesky rewards substance o… $50→ 📌Pinned sponsored postA sponsored post pinned to the top of my profile for the mon… $60/mo→ 🔗Link-in-bio placementYour link in my bio for the month. $30/mo→ 🔁Repost packageI repost your account's posts through the month — distributi… $40/mo→ ⭐Starter-pack placementYour account included in my starter pack — new users follow … $40/mo→ 🎁Giveaway postYou supply the prize — I run the giveaway post and pick winn… $16→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $24→ 🤝Mutual shoutout collabWe shout each other out — a value swap between accounts. Swap→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite John Calhoun onto your podcast (~45 min, remote) $32→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
2.5K
Account age
1 yrs
🎁 Free analysisfor John Calhoun
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

I hope to finally get this to Steam this time (and this summer).47 views I hope to finally get this to Steam this time (and this summer). "Anna" I wrapped up (after more than 6 months?) my little #analogcomputer trainer (hobbyist machine—whatever). It's open—Github repo linked here. I made a few kits available (they were expensive to make though—but nice and with a nice manual!). #electronics github.com/EngineersNee...23 views "Anna" I wrapped up (after more than 6 months?) my little #analogcomputer trainer (hobbyist machine—whatever). It's open—Github repo linked here. I made a few kits available (they were expensive to make though—but nice and with a nice manual!). #electronics github.com/EngineersNee... I "programmed" (patched) Lunar Lander. A special "metering mode" on "Anna" reads analog voltages representing gravity, thrust, velocity, position—displays a small lunar module descending. (Breadboard is not for prototyping—it's how you program/wire-up the modules!) #analogcomputing #electronics17 views I "programmed" (patched) Lunar Lander. A special "metering mode" on "Anna" reads analog voltages representing gravity, thrust, velocity, position—displays a small lunar module descending. (Breadboard is not for prototyping—it's how you program/wire-up the modules!) #analogcomputing #electronics Islamic filigree created in Affinity Designer (a couple of hours), cut out of card-stock with a laser (about 5 minutes). So delicate… I was surprised it held together. (Beginning experiments in shadow puppetry.) #shadowpuppets9 views Islamic filigree created in Affinity Designer (a couple of hours), cut out of card-stock with a laser (about 5 minutes). So delicate… I was surprised it held together. (Beginning experiments in shadow puppetry.) #shadowpuppets

📊 Post engagement

12
Avg engagement / post
0.5%
Engagement vs followers
Nov 2024
On Bluesky since

🔥 Top post: I hope to finally get this to Steam this time (and this summer). · 47 likes + reposts

📊 Activity & format

Posting cadence
1.1 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly video
Recent: 2 text · 4 image · 6 video.
Follower / following
14×
Follows 181 back. A strong ratio — an audience that follows them, not a follow-for-follow network.

Recent posts

View on Bluesky ↗
▶ 🔥 Top post I hope to finally get this to Steam this time (and this summer). ★ 47
Surfing YouTube and there's R.E.M. performing "Gardening at Night". Comments, some people talking about how that band changed them… Me too. And I'm trying to think why that was… @michaelstipe.bsky.social @remhq.bsky.social ★ 2 "Anna" I wrapped up (after more than 6 months?) my little #analogcomputer trainer (hobbyist machine—whatever). It's open—Github repo linked here. I made a few kits available (they were expensive to make though—but nice and with a nice ma… ★ 23 Using a stereo digital camera (dated and not designed for low-light levels). Captured Letters to Cleo in Des Moines. (App to create stereogram from .MPO files is Stereographer.) #stereophotography #letterstocleo bsky.app/profile/kayh... ★ 6 Islamic filigree created in Affinity Designer (a couple of hours), cut out of card-stock with a laser (about 5 minutes). So delicate… I was surprised it held together. (Beginning experiments in shadow puppetry.) #shadowpuppets ★ 9 A "Letters to Cleo" gem on YouTube. @kayhanley.bsky.social youtu.be/maSDo-ABgLI?... ★ 5 ▶ Modular means I can add a breadboard to "Anna" if need be… This harmonograph program has not 2, but 4 pendulums! (2 pendulums for the X axis and 2 pendulums for the Y.) That's over 52 wires of code! (The longest program I have, um, writ… ★ 5 Happy Mother's Day, mom. Wish you were still here. 🥹 ★ 8 ▶ "Programmed" a simple harmonograph on the analog computer. One pendulum (displays red), a 2nd (yellow) and both mixed (green)—sometimes adding, sometimes subtracting. Switch to XY-oscilloscope mode for the Lissajous curve. (Next: double … ★ 8 ▶ (Little blurry…) "Anna" programmed for Lotka-Volterra (prey/predator) equation. 1st display mode: a strip chart with prey population red, predator orange. (Predator's population lags prey's.) 2nd display mode a kind of XY oscilloscope pl… ★ 5 ▶ "Spring+Mass" is, I have heard, the "Hello World" of analog computing. "Anna's" pair of integrators connected in a circular arrangement give rise to oscillation. Pots control spring constant, dampening, mass… (ADCs & an ESP32 on "MAIN" g… ★ 6 ▶ I "programmed" (patched) Lunar Lander. A special "metering mode" on "Anna" reads analog voltages representing gravity, thrust, velocity, position—displays a small lunar module descending. (Breadboard is not for prototyping—it's how you pr… ★ 17

🦋 Handle & authenticity

✅ Domain-verified
@engineersneedart.com
The handle is the domain engineersneedart.com. On Bluesky a domain handle proves the owner controls that website — so this is verifiably the real engineersneedart.com account, not an impersonator.
On Bluesky since
Nov 2024
Joined after Bluesky opened to the public — a settled account with a real history.

💡 Facts

🗓️Joined Bluesky in 2024 — 1 year ago.
👁️Averages 12 views per post.
📤Posts about 1.1× per week.

🕵️ Fake follower check

Estimated
67/100
Good Credibility score
89%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 89% real, active audience · Low fake-follower risk.
  • Engagement (~0.5% of followers engage each post) is around typical for Bluesky.
  • Organic base — far more followers than accounts it follows.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Old Macintosh shareware author. Making things I wish existed when I was a kid. engineersneedart.com github.com/EngineersNeedArt

📸 Gallery

"Anna" I wrapped up (after more than 6 months?) my little #analogcomputer trainer (hobbyist machine—whatever). It's open—Github repo linked here. I made a few kits available (they were expensive to make though—but nice and with a nice manual!). #electronics github.com/EngineersNee... Using a stereo digital camera (dated and not designed for low-light levels). Captured Letters to Cleo in Des Moines. (App to create stereogram from .MPO files is Stereographer.) #stereophotography #letterstocleo bsky.app/profile/kayh... Islamic filigree created in Affinity Designer (a couple of hours), cut out of card-stock with a laser (about 5 minutes). So delicate… I was surprised it held together. (Beginning experiments in shadow puppetry.) #shadowpuppets I hope to finally get this to Steam this time (and this summer). Modular means I can add a breadboard to "Anna" if need be… This harmonograph program has not 2, but 4 pendulums! (2 pendulums for the X axis and 2 pendulums for the Y.) That's over 52 wires of code! (The longest program I have, um, written yet.) #analogcomputing #electronics Happy Mother's Day, mom. Wish you were still here. 🥹 "Programmed" a simple harmonograph on the analog computer. One pendulum (displays red), a 2nd (yellow) and both mixed (green)—sometimes adding, sometimes subtracting. Switch to XY-oscilloscope mode for the Lissajous curve. (Next: double the program to 4 pendulums.) #analog_computer #electronics (Little blurry…) "Anna" programmed for Lotka-Volterra (prey/predator) equation. 1st display mode: a strip chart with prey population red, predator orange. (Predator's population lags prey's.) 2nd display mode a kind of XY oscilloscope plotting pop. in "phase space". #analogcomputer #electronics

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

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Frequently asked questions

How much does John Calhoun charge for a sponsorship?
John Calhoun hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
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Send a paid deal or collab request right here on SocialDB — we notify John Calhoun, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does John Calhoun have?
John Calhoun has 2,510 followers on Bluesky.

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