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Jeff Geerling

Jeff Geerling

Bluesky @jeffgeerling.com
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📣Sponsored postOne post with your link and message, clearly disclosed. $202→ 🧵Sponsored threadA 3–5 post storytelling thread — Bluesky rewards substance o… $505→ 📌Pinned sponsored postA sponsored post pinned to the top of my profile for the mon… $606/mo→ 🔗Link-in-bio placementYour link in my bio for the month. $303/mo→ 🔁Repost packageI repost your account's posts through the month — distributi… $404/mo→ ⭐Starter-pack placementYour account included in my starter pack — new users follow … $404/mo→ 🎁Giveaway postYou supply the prize — I run the giveaway post and pick winn… $162→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $242→ 🤝Mutual shoutout collabWe shout each other out — a value swap between accounts. Swap→ 🎬UGC HireBranded content for your own channels & ads from $89→ 🎙️Podcast guest spotInvite Jeff Geerling onto your podcast (~45 min, remote) $89→

Every booking is a normal escrow-protected deal.

Followers
25.3K
Account age
3 yrs
🧰 Free analysis for Jeff Geerling
🕵️ Fake follower check 📊 Engagement rate 💰 What they charge

Known for

A man with a watch knows what time it is. A man with two watches is never sure. So now I have three GNSS PPS watches. And I can measure UTC to within 20-40ns. Just need my entire forearm. Not done yet: portable rubidium atomic clock for holdover.102 views A man with a watch knows what time it is. A man with two watches is never sure. So now I have three GNSS PPS watches. And I can measure UTC to within 20-40ns. Just need my entire forearm. Not done yet: portable rubidium atomic clock for holdover. I completely forgot to mention.... I'm going to be at @opensaucelive.bsky.social this weekend! My theme will be time—if you have a neat time-based project, please tell me about it. I'll be on the lookout for clocks, counters, syntonization, and synchronization :)71 views I completely forgot to mention.... I'm going to be at @opensaucelive.bsky.social this weekend! My theme will be time—if you have a neat time-based project, please tell me about it. I'll be on the lookout for clocks, counters, syntonization, and synchronization :) Oliver Ettlin's PTP Wallclock project just got a huge upgrade; he's been adding all the features I asked for, and then some! Now it has a fancy web UI and tons of display settings :)44 views Oliver Ettlin's PTP Wallclock project just got a huge upgrade; he's been adding all the features I asked for, and then some! Now it has a fancy web UI and tons of display settings :) I got to test a Pixel Pump 2 (by Robins Tools) for my 2nd SMD PCB. I just used it for manual pick 'n place; it's a solid little bit of kit if you do this stuff often. Video here: www.youtube.com/watch?v=8WzA... Thanks to @idlehandsdev.bsky.social for putting me in touch!31 views I got to test a Pixel Pump 2 (by Robins Tools) for my 2nd SMD PCB. I just used it for manual pick 'n place; it's a solid little bit of kit if you do this stuff often. Video here: www.youtube.com/watch?v=8WzA... Thanks to @idlehandsdev.bsky.social for putting me in touch!

📊 Post engagement

61
Avg engagement / post
0.2%
Engagement vs followers
Jun 2023
On Bluesky since

🔥 Top post: A man with a watch knows what time it is. A man with two watches · 102 likes + reposts

📊 Activity & format

Posting cadence
4.8 / week
Posts several times a week.
Content mix
Mostly text
Recent: 8 text · 3 image · 1 video.
Follower / following
90×
Follows 281 back. A strong ratio — an audience that follows them, not a follow-for-follow network.

Recent posts

View on Bluesky ↗
🔥 Top post A man with a watch knows what time it is. A man with two watches is never sure. So now I have three GNSS PPS watches. And I can measure UTC to within 20-40ns. Just need my entire forearm. Not done yet: portable rubidium atomic clock for holdover. ★ 102
I found the cheapest way to add 25 Gbps networking to a Mac. Some 3D printing required... Video here: www.youtube.com/watch?v=_--J... ★ 40 The Pi 5 16GB was never a good deal. But at $300+, it's just... don't buy it. Luckily, Pi 4s still start at $35 and Pi 5s at $45. And the 4GB Pi 400 is somehow $50 at Micro Center. Video with more: www.youtube.com/watch?v=53Ak... ★ 93 I got to test a Pixel Pump 2 (by Robins Tools) for my 2nd SMD PCB. I just used it for manual pick 'n place; it's a solid little bit of kit if you do this stuff often. Video here: www.youtube.com/watch?v=8WzA... Thanks to @idlehandsdev.bs… ★ 31 My Spectrum Business Internet connection goes down weekly. I finally set OPNsense up so I can swap to a borrowed cell backup connection. Blog post here: jeffgeerling.com/blog/2026/op... But if you have backup 5G Internet, what do you use… ★ 54 I had the best time at Open Sauce—and I can prove it! (At least within ±1µs...). Full video here: www.youtube.com/watch?v=ziPI... ★ 83 Btw I will be at VCF Midwest this year, with a *table*! I'll be demonstrating NTP timing history on the Mac, and hopefully have some neat rarely-seen demos and info vcfmw.org The event is free, and there are approximately 1,000 other reas… ★ 68 I machined my first custom part on the Makera Z1, after they sent one over to see if I could transfer any skills from 3D printing to CAM and CNC. It's a little mounting spacer for my old Xserves; plastic wasn't holding up. Today's video o… ★ 58 Houdini 22 includes Arm Linux support (as a 'Technology Preview'). I got my hands on a pre-release version, ran it on the fastest Arm Linux desktops on the planet, and I think the best use case is cloud rendering on cheaper Arm Linux serv… ★ 42 Oliver Ettlin's PTP Wallclock project just got a huge upgrade; he's been adding all the features I asked for, and then some! Now it has a fancy web UI and tons of display settings :) ★ 44 Telstra had a bad time last week. An old time server could cost them $30 million... I briefly covered their GPS timing problem in today's _second_ second channel video :) www.youtube.com/watch?v=1T9x... ★ 42 ▶ I completely forgot to mention.... I'm going to be at @opensaucelive.bsky.social this weekend! My theme will be time—if you have a neat time-based project, please tell me about it. I'll be on the lookout for clocks, counters, syntonization… ★ 71

🦋 Handle & authenticity

✅ Domain-verified
@jeffgeerling.com
The handle is the domain jeffgeerling.com. On Bluesky a domain handle proves the owner controls that website — so this is verifiably the real jeffgeerling.com account, not an impersonator.
On Bluesky since
Jun 2023
An early adopter from the invite-only beta (before the Feb 2024 public launch) — an original, established account.

💡 Facts

🗓️Joined Bluesky in 2023 — 3 years ago.
👁️Averages 61 views per post.
📤Posts about 4.8× per week.
🏅Earned the 10K Followers for passing 10K followers.

🕵️ Fake follower check

Estimated
72/100
Good Credibility score
94%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 94% real, active audience · Low fake-follower risk.
  • Engagement (~0.2% of followers engage each post) is around typical for Bluesky.
  • Organic base — far more followers than accounts it follows.
  • Established account (3+ years old).

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

About

Father, author, developer, maker. Sometimes called "an inflammatory enigma". #stl #ansible #k8s #raspberrypi #mac #crohns www.jeffgeerling.com

📸 Gallery

I got to test a Pixel Pump 2 (by Robins Tools) for my 2nd SMD PCB. I just used it for manual pick 'n place; it's a solid little bit of kit if you do this stuff often. Video here: www.youtube.com/watch?v=8WzA... Thanks to @idlehandsdev.bsky.social for putting me in touch! A man with a watch knows what time it is. A man with two watches is never sure. So now I have three GNSS PPS watches. And I can measure UTC to within 20-40ns. Just need my entire forearm. Not done yet: portable rubidium atomic clock for holdover. Oliver Ettlin's PTP Wallclock project just got a huge upgrade; he's been adding all the features I asked for, and then some! Now it has a fancy web UI and tons of display settings :) I completely forgot to mention.... I'm going to be at @opensaucelive.bsky.social this weekend! My theme will be time—if you have a neat time-based project, please tell me about it. I'll be on the lookout for clocks, counters, syntonization, and synchronization :)

🔀 Audience overlap

Estimated

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

Veterans Against Trump Veterans Against Trump 18% Pierre-Emmanuel Barré Pierre-Emmanuel Barré 16% Jaguar1960 Jaguar1960 14% Miguel Miguel 14% Sera Jean 🦋 Sera Jean 🦋 11% One Liberal Citizen One Liberal Citizen 10%

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