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jeremycook.bsky.social

@jeremycook.bsky.social
839 followers 227 following 1.6K posts

Engineer, tech journalist, perma-learner. Maker of random contraptions for fun & profit. www.techadjacent.io hi@jeremyscook.com

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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 03/10/2026
Selling on SmallRun — Single 3.3V to 5V level shifter by JC Devices (@jeremycook.bsky.social). → smallrun.net/shop/jc-devices/single…
Single 3.3V to 5V level shifter
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jeremycook.bsky.social @jeremycook.bsky.social · 02/10/2026
New @officialarduino.bsky.social robot design concept:
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jeremycook.bsky.social @jeremycook.bsky.social · 01/10/2026
Over-center mechanism I designed:
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jeremycook.bsky.social @jeremycook.bsky.social · 01/10/2026
'shrooms from yesterday's walk:
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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 30/09/2026
Available on SmallRun — Reproduction Solid State Music IO-2 S-100 Board by Glitch Works Hobbyist Sales. → smallrun.net/shop/glitchwrks/gw-ssm…
Reproduction Solid State Music IO-2 S-100 Board
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Reposted by @jeremycook.bsky.social
arturo182 @arturo182.bsky.social · 30/09/2026
Hilarious
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jeremycook.bsky.social @jeremycook.bsky.social · 29/09/2026
Working on an over-center mechanism in Autodesk Fusion
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Reposted by @jeremycook.bsky.social
Kevin Santo Cappuccio @jumperless.org · 29/09/2026
Crazy what you can do with a handful of magnetometers and like, 𝒂𝒍𝒍 the math.
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jeremycook.bsky.social @jeremycook.bsky.social · 24/09/2026
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jeremycook.bsky.social @jeremycook.bsky.social · 24/09/2026
Anyone have a cool VESA mount setup for their monitor? Preferable something interesting mounted to it... Maybe a light? Fan even?
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jeremycook.bsky.social @jeremycook.bsky.social · 23/09/2026
www.techadjacent.io/p/my-manic-l...
techadjacent.io
My Manic Las Vegas Trade Show Trip
AFAIK, Autodesk University 2026 in Las Vegas, Nevada was a truly impressive event. Personally, the trip felt like being shot out of a cannon with blinders on.
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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 23/09/2026
Group buy reminder! USBSID-Pico v1.5c Blue PCB by LouD (@loudai.nl). 3/10 committed - you're only charged if it hits the minimum. Join the run → smallrun.net/shop/loud/usbsid-pico-…
USBSID-Pico v1.5c Blue PCB
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jeremycook.bsky.social @jeremycook.bsky.social · 22/09/2026
Latest YouTube video, showing how to turn an @officialarduino.bsky.social Uno Q into an all-in-one VESA-mount experimentation PC: www.youtube.com/watch?v=_5LE...
youtube.com
Turn the Arduino UNO Q into an All-in-One Experimentation PC [Howto VESA Mount]
YouTube video by Jeremy Cook Builds
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Reposted by @jeremycook.bsky.social
Arduino @officialarduino.bsky.social · 21/09/2026
Jeremy Cook demonstrates how to turn an Arduino UNO Q into an all-in-one Linux experimentation PC by mounting it directly to a computer monitor using a custom VESA mount
youtu.be
All-in-One Arduino Uno Q Experimentation PC [Howto VESA Mount]
YouTube video by Jeremy Cook Builds
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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 16/09/2026
Brand new on SmallRun — Teensy 4.1 Screw Terminal Breakout - Arcade, Synth & More! by JC Devices (@jeremycook.bsky.social). → smallrun.net/shop/jc-devices/teensy…
Teensy 4.1 Screw Terminal Breakout - Arcade, Synth & More!
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jeremycook.bsky.social @jeremycook.bsky.social · 11/09/2026
New Teensy breakout board in action. Available on @smallrun.bsky.social smallrun.net/shop/jc-devi...
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jeremycook.bsky.social @jeremycook.bsky.social · 11/09/2026
I hired a subcontractor to help with my latest project: www.techadjacent.io/p/hiring-spe...
techadjacent.io
Hiring Specialists - the Good, the Bad & How to Work Nicely With Others
A recent project required a quick turnaround and skills that were on the edge of my competence. I hired a subcontractor, which was a good idea, but not without its challenges.
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jeremycook.bsky.social @jeremycook.bsky.social · 03/09/2026
I'll be at Autodesk university 2026 in a little under 2 weeks. Anyone else?
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jeremycook.bsky.social @jeremycook.bsky.social · 03/09/2026
Using parametric text for revisioning is quite useful: www.techadjacent.io/p/revision-y...
techadjacent.io
Revisioning Your 3D-Printed Assemblies
Yes, it’s kind of boring, but it’s pretty easy with the right software setup and can help keep you sane later
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Reposted by @jeremycook.bsky.social
ACLU @aclu.org · 26/08/2026
Numerous studies, including from the FBI itself, show that invasive mass surveillance tech like Flock and Axon's automatic license plate readers don't help police fight crime. Surveillance is not safety.
futurism.com
Flock Surveillance Cameras Are Actually Horrible for Fighting Crime, FBI Data Shows
New FBI data shows case closure rates for the Atlanta Police Department have not improved despite thousands of ALPRs installed since 2021.
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jeremycook.bsky.social @jeremycook.bsky.social · 26/08/2026
My custom concrete solder jig setup - link in profile:
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jeremycook.bsky.social @jeremycook.bsky.social · 25/08/2026
New board mounts a Teensy 4.1 - Originally mean for synth use, but using it here for a more general A/V task:
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jeremycook.bsky.social @jeremycook.bsky.social · 19/08/2026
Bill of materials WIP for latest project:
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jeremycook.bsky.social @jeremycook.bsky.social · 15/08/2026
Reduced price on my PCB transistor coasters on @smallrun.bsky.social smallrun.net/shop/jc-devi...
smallrun.net
Transistor Diagram & Facts PCB Coaster [NPN, PNP] - JC Devices
Drink Coaster Made Out of PCB With Transistor Diagrams and Facts
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jeremycook.bsky.social @jeremycook.bsky.social · 13/08/2026
New mechanism design:
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jeremycook.bsky.social @jeremycook.bsky.social · 12/08/2026
Latest on Techadjacent: www.techadjacent.io/p/efficient-...
techadjacent.io
Efficient Parts Storage With Harbor Freight Bins & 3D Printing
Stop
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jeremycook.bsky.social @jeremycook.bsky.social · 11/08/2026
Considering making a 3V3 to 5V lever-shifter breakout tailored for servo motors and WS2812B LEDs when using a 3V3 microcontroller board like the @officialarduino.bsky.social Uno Q - think there would be any interest?
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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 06/08/2026
Check this out on SmallRun — Standalone Infrared Decoder by Remote Mods. → smallrun.net/shop/remote-mods/stand…
Standalone Infrared Decoder
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jeremycook.bsky.social @jeremycook.bsky.social · 06/08/2026
New breakout board design for Teensy 4.1:
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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 05/08/2026
Now on SmallRun — RP20-Footie Raspberry Pi Pico Capacitive Pedal by JC Devices (@jeremycook.bsky.social). → smallrun.net/shop/jc-devices/rp20-f…
RP20-Footie Raspberry Pi Pico Capacitive Pedal
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jeremycook.bsky.social @jeremycook.bsky.social · 05/08/2026
Working on a little robot:
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Reposted by @jeremycook.bsky.social
DeFlock Redmond @deflock-redmond.bsky.social · 05/08/2026
"Here's the ultimate problem for #Flock: Their ‘legal justification‘ under the Constitution relies on the idea that their cameras only produce fragments of information. But their commercial success as a company relies entirely on eliminating the gaps between those fragments." #deflock #surveillance
youtu.be
I Researched if Flock Cameras were Legal… then they Installed One at my Driveway
YouTube video by Jake the Lawyer
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jeremycook.bsky.social @jeremycook.bsky.social · 04/08/2026
Designing a Teensy 4.1 breakout - thoughts on the power supply? Meant to use with a 9V battery and/or an external power feed.
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jeremycook.bsky.social @jeremycook.bsky.social · 03/08/2026
Working on a new breakout:
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jeremycook.bsky.social @jeremycook.bsky.social · 01/08/2026
3D-printed gutter extension:
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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 31/07/2026
Group buy live on SmallRun: Attiny Low Power MOSFET board (Tiny Power 2) by JC Devices (@jeremycook.bsky.social). 0/20 committed - you're only charged if it hits the minimum. Join the run → smallrun.net/shop/jc-devices/attiny…
Attiny Low Power MOSFET board (Tiny Power 2)
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jeremycook.bsky.social @jeremycook.bsky.social · 31/07/2026
Could anyone use one of these? smallrun.net/shop/jc-devi... - I've got a prototype or two to send out if you want to demo/write up the results: @smallrun.bsky.social
smallrun.net
Attiny Low Power MOSFET board (Tiny Power 2) - JC Devices
Small ATtiny85 board with MOSFET cut off for extreme power efficiency
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jeremycook.bsky.social @jeremycook.bsky.social · 30/07/2026
Cycling power to USB fan via ATtiny MOSFET board:
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Reposted by @jeremycook.bsky.social
SmallRun @smallrun.bsky.social · 29/07/2026
Jeremy Cook wrote an honest rundown of the places you can sell your hardware projects.. Appreciate the kind words and spotlight on SmallRun. Worth a read if you make things!
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jeremycook.bsky.social @jeremycook.bsky.social · 29/07/2026
Where to sell your custom techno creations www.techadjacent.io/p/where-to-s... h/t @smallrun.bsky.social @lectronz.com @tindie.com
techadjacent.io
Where to Sell Your Custom Techno-Electronics Things
With the proliferation of small-run PCBs & digital manufacturing, it's easier than ever to make multiples of your device a reality. Where to sell is a bit more complicated.
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jeremycook.bsky.social @jeremycook.bsky.social · 28/07/2026
3D-printed battery storage:
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jeremycook.bsky.social @jeremycook.bsky.social · 25/07/2026
Also reduced price on my Arduino Opta I2C/Serial adapter there. Or rather, put the pricing how it should be before per a bit of an import glitch: smallrun.net/shop/jc-devi...
smallrun.net
Arduino Opta I2C and Serial Aux Breakout Adapter - JC Devices
Breakout for aux port pins on Arduino Opta, including: I2C, serial, 3.3V, 5V, & GND plus board edge connector
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jeremycook.bsky.social @jeremycook.bsky.social · 25/07/2026
Reduced pricing on my transistor diagram PCB coasters on @smallrun.bsky.social - smallrun.net/shop/jc-devi...
smallrun.net
Transistor Diagram & Facts PCB Coaster [NPN, PNP] - JC Devices
Drink Coaster Made Out of PCB With Transistor Diagrams and Facts
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jeremycook.bsky.social @jeremycook.bsky.social · 25/07/2026
Pointed my jcdevices.com domain to my @smallrun.bsky.social store if you care to browse around!
jcdevices.com
JC Devices
Custom devices from Jeremy Cook
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Reposted by @jeremycook.bsky.social
DeFlock @deflock.org · 25/07/2026
When will they get it? It's very existence is a misuse according to...what's that thing again...oh yeah the Constitution. Enough is Enough. Contact your Elected Reps - www.usa.gov/elected-offi... www.wyff4.com/article/floc... #Flock #DeFlock #Surveillance #trending
wyff4.com
'Real consequences': Upstate agencies using Flock cameras push for deterrents from misuse
As reports of Flock camera misuse spread, agencies that use the software and the neighbors they serve are pushing for transparency and strict regulation to avoid another case.
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jeremycook.bsky.social @jeremycook.bsky.social · 23/07/2026
Offsetting my car's CO2 emissions:
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jeremycook.bsky.social @jeremycook.bsky.social · 22/07/2026
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Hypervisible @hypervisible.blacksky.app · 14/07/2026
“A growing number of police jurisdictions have walked away from Flock since 2025, including Mountain View, Santa Cruz, Santa Clara County, South Pasadena, Flagstaff, and Hillsborough, North Carolina.”
businessinsider.com
Flock is falling out of favor with police departments
LAPD will not renewed its agreement with Flock Safety, citing concerns over "civil liberty" and a lack of clarity over terms regarding privacy.
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jeremycook.bsky.social @jeremycook.bsky.social · 17/07/2026
#florida
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jeremycook.bsky.social @jeremycook.bsky.social · 14/07/2026
Low-power @microchip-makes.bsky.social ATtiny board implements a MOSFET to run servos with near-zero standby power:
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