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Linux Fu: Use The Source (Command), Luke...
===========================================
](https://hackaday.com/2025/03/13/linux-fu-use-the-source-command-luke/)
[
Hackaday Links: March 16, 2025
==============================
āThe brickings will continue until the printer sales improve!ā This whole printer-bricking thing seems to be getting out of hand with the news this week that a firmware update caused ā¦read more](https://hackaday.com/2025/03/16/hackaday-links-march-16-2025/)
[
Hackaday Podcast Episode 312: Heart Attacks, The Speed Of Light, And...
=======================================================================
](https://hackaday.com/2025/03/14/hackaday-podcast-episode-312-heart-attacks-the-speed-of-light-and-self-balancing/)
[
You Know Pi, But Do You Really Know E?
======================================
Pi Day is here! We bet that you know that famous constant to a few decimal points, and you could probably explain what it really means: the ratio of a ā¦read more](https://hackaday.com/2025/03/14/you-know-pi-but-do-you-really-know-e/)
[
This Week In Security: The X DDoS, The ESP32 Basementdoor, And The...
=====================================================================
](https://hackaday.com/2025/03/14/this-week-in-security-the-x-ddos-the-esp32-basementdoor-and-the-camelcase-rce/)
[
Linux Fu: Use The Source (Command), Luke...
===========================================
](https://hackaday.com/2025/03/13/linux-fu-use-the-source-command-luke/)
[
Hackaday Links: March 16, 2025
==============================
āThe brickings will continue until the printer sales improve!ā This whole printer-bricking thing seems to be getting out of hand with the news this week that a firmware update caused ā¦read more](https://hackaday.com/2025/03/16/hackaday-links-march-16-2025/)
* 1
* 2
* 3
* 4
* 5
[From The Blog](/blog)
======================
[See all blog entries](/blog)
* [
](https://hackaday.com/2025/03/21/cheap-endoscopic-camera-helps-automate-pressure-advance-calibration/)
[Cheap Endoscopic Camera Helps Automate Pressure Advance Calibration](https://hackaday.com/2025/03/21/cheap-endoscopic-camera-helps-automate-pressure-advance-calibration/)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[No comments](https://hackaday.com/2025/03/21/cheap-endoscopic-camera-helps-automate-pressure-advance-calibration//#comments)
By [Dan Maloney](https://hackaday.com/author/dpsm64/ "Posts by Dan Maloney") | March 21, 2025
The difference between 3D printing and good 3D printing comes down to attention to detail. There are so many settings and so many variables, each of which seems to impact [ā¦read more](https://hackaday.com/2025/03/21/cheap-endoscopic-camera-helps-automate-pressure-advance-calibration/)
* [
](https://hackaday.com/2025/03/20/a-modern-take-on-the-etch-a-sketch/)
[A Modern Take On The Etch A Sketch](https://hackaday.com/2025/03/20/a-modern-take-on-the-etch-a-sketch/)
---------------------------------------------------------------------------------------------------------
[2 Comments](https://hackaday.com/2025/03/20/a-modern-take-on-the-etch-a-sketch//#comments)
By [Bryan Cockfield](https://hackaday.com/author/bryancockfield/ "Posts by Bryan Cockfield") | March 20, 2025
The Etch A Sketch is a classic childrenās toy resembling a picture frame where artwork can be made by turning two knobs attached to a stylus inside the frame. The [ā¦read more](https://hackaday.com/2025/03/20/a-modern-take-on-the-etch-a-sketch/)
* [
](https://hackaday.com/2025/03/20/solar-power-logically/)
[Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/)
--------------------------------------------------------------------------------
[23 Comments](https://hackaday.com/2025/03/20/solar-power-logically//#comments)
By [Al Williams](https://hackaday.com/author/wd5gnr1/ "Posts by Al Williams") | March 20, 2025
Weāve all seen the ads. Some offer āfreeā solar panels. Others promise nearly free energy if you just purchase a solar ā well, solar system doesnāt sound right ā maybeā¦ [ā¦read more](https://hackaday.com/2025/03/20/solar-power-logically/)
* [
](https://hackaday.com/2025/03/20/backyard-rope-tow-from-spare-parts/)
[Backyard Rope Tow From Spare Parts](https://hackaday.com/2025/03/20/backyard-rope-tow-from-spare-parts/)
---------------------------------------------------------------------------------------------------------
[1 Comment](https://hackaday.com/2025/03/20/backyard-rope-tow-from-spare-parts//#comments)
By [Bryan Cockfield](https://hackaday.com/author/bryancockfield/ "Posts by Bryan Cockfield") | March 20, 2025
A few years ago, \[Jeremy Makes Things\] built a rope tow in his back yard so his son could ski after school. Since the lifts at the local hill closed [ā¦read more](https://hackaday.com/2025/03/20/backyard-rope-tow-from-spare-parts/)
* [
](https://hackaday.com/2025/03/20/laser-harp-sets-the-tone/)
[Laser Harp Sets The Tone](https://hackaday.com/2025/03/20/laser-harp-sets-the-tone/)
-------------------------------------------------------------------------------------
[10 Comments](https://hackaday.com/2025/03/20/laser-harp-sets-the-tone//#comments)
By [Bryan Cockfield](https://hackaday.com/author/bryancockfield/ "Posts by Bryan Cockfield") | March 20, 2025
In many ways, living here in the future is quite exiting. We have access to the worldās information instantaneously and can get plenty of exciting tools and hardware delivered to [ā¦read more](https://hackaday.com/2025/03/20/laser-harp-sets-the-tone/)
* [
](https://hackaday.com/2025/03/20/three-spi-busses-are-one-too-many-on-this-cheap-yellow-display/)
[Three SPI Busses Are One Too Many On This Cheap Yellow Display](https://hackaday.com/2025/03/20/three-spi-busses-are-one-too-many-on-this-cheap-yellow-display/)
-----------------------------------------------------------------------------------------------------------------------------------------------------------------
[9 Comments](https://hackaday.com/2025/03/20/three-spi-busses-are-one-too-many-on-this-cheap-yellow-display//#comments)
By [Jenny List](https://hackaday.com/author/jennylist/ "Posts by Jenny List") | March 20, 2025
The Cheap Yellow Display may not be the fastest of ESP32 boards with its older model chip and 4 MB of memory, but its low price and useful array of [ā¦read more](https://hackaday.com/2025/03/20/three-spi-busses-are-one-too-many-on-this-cheap-yellow-display/)
* [
](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt/)
[Linux Fu: A Warp Speed Prompt](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt/)
----------------------------------------------------------------------------------------------
[21 Comments](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt//#comments)
By [Al Williams](https://hackaday.com/author/wd5gnr1/ "Posts by Al Williams") | March 20, 2025
If you spend a lot of time at the command line, you probably have either a very basic prompt or a complex, information-dense prompt. If you are in the former [ā¦read more](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt/)
[ā Older posts](/blog/page/2/)
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[So What Is A Supercomputer Anyway?](https://hackaday.com/2025/03/19/so-what-is-a-supercomputer-anyway/)
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[Relativity Space Changes Course On Path To Orbit](https://hackaday.com/2025/03/17/relativity-space-changes-course-on-path-to-orbit/)
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[22 Comments](https://hackaday.com/2025/03/17/relativity-space-changes-course-on-path-to-orbit//#comments)
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[You Know Pi, But Do You Really Know E?](https://hackaday.com/2025/03/14/you-know-pi-but-do-you-really-know-e/)
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[28 Comments](https://hackaday.com/2025/03/14/you-know-pi-but-do-you-really-know-e//#comments)
* [](https://hackaday.com/2025/03/12/pixel-watch-3s-loss-of-pulse-detection-the-algorithms-that-tell-someone-is-dying/)
[Pixel Watch 3ās Loss Of Pulse Detection: The Algorithms That Tell Someone Is Dying](https://hackaday.com/2025/03/12/pixel-watch-3s-loss-of-pulse-detection-the-algorithms-that-tell-someone-is-dying/)
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[59 Comments](https://hackaday.com/2025/03/12/pixel-watch-3s-loss-of-pulse-detection-the-algorithms-that-tell-someone-is-dying//#comments)
* [](https://hackaday.com/2025/03/11/trapc-a-c-extension-for-the-memory-safety-boogeyman/)
[TrapC: A C Extension For The Memory Safety Boogeyman](https://hackaday.com/2025/03/11/trapc-a-c-extension-for-the-memory-safety-boogeyman/)
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[52 Comments](https://hackaday.com/2025/03/11/trapc-a-c-extension-for-the-memory-safety-boogeyman//#comments)
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Our Columns
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* [](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt/)
[Linux Fu: A Warp Speed Prompt](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt/)
----------------------------------------------------------------------------------------------
[21 Comments](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt//#comments)
* [](https://hackaday.com/2025/03/19/floss-weekly-episode-825-open-source-ci-with-semaphore/)
[FLOSS Weekly Episode 825: Open Source CI With Semaphore](https://hackaday.com/2025/03/19/floss-weekly-episode-825-open-source-ci-with-semaphore/)
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[From The Ashes: Coal Ash May Offer Rich Source Of Rare Earth Elements](https://hackaday.com/2025/03/19/from-the-ashes-coal-ash-may-offer-rich-source-of-rare-earth-elements/)
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[34 Comments](https://hackaday.com/2025/03/19/from-the-ashes-coal-ash-may-offer-rich-source-of-rare-earth-elements//#comments)
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[Keebinā With Kristina: The One With The Cheesy Keyboard](https://hackaday.com/2025/03/18/keebin-with-kristina-the-one-with-the-cheesy-keyboard/)
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[3 Comments](https://hackaday.com/2025/03/18/keebin-with-kristina-the-one-with-the-cheesy-keyboard//#comments)
* [](https://hackaday.com/2025/03/17/ask-hackaday-what-would-you-do-with-the-worlds-smallest-microcontroller/)
[Ask Hackaday: What Would You Do With The Worldās Smallest Microcontroller?](https://hackaday.com/2025/03/17/ask-hackaday-what-would-you-do-with-the-worlds-smallest-microcontroller/)
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[91 Comments](https://hackaday.com/2025/03/17/ask-hackaday-what-would-you-do-with-the-worlds-smallest-microcontroller//#comments)
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Replica of the PDP-1: PiDP-1
----------------------------
](https://hackaday.io/project/202541)by [Oscarv](https://hackaday.io/hacker/36018)
[
Cyberdeck Handheld
------------------
](https://hackaday.io/project/202522)by [Nicholas LaBonte](https://hackaday.io/hacker/1585200)
[Popular on Tindie](https://www.tindie.com/browse/?utm_source=hackaday&utm_medium=link&utm_campaign=fromstore)
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NanoVNA V2 Plus4
----------------
by HCXQS group
$299.00
4.34
](https://www.tindie.com/products/hcxqsgroup/nanovna-v2-plus4/?utm_source=hackaday&utm_medium=link&utm_campaign=fromstore)
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Buderus KM271 WiFi Replacement
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by Moles Store
$41.00
](https://www.tindie.com/products/the78mole/buderus-km271-wifi-replacement/?utm_source=hackaday&utm_medium=link&utm_campaign=fromstore)
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NanoRFE VNA6000
---------------
by HCXQS group
$789.00
](https://www.tindie.com/products/hcxqsgroup/nanorfe-vna6000/?utm_source=hackaday&utm_medium=link&utm_campaign=fromstore)
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Micro Journal Rev.7: Kindred Gift: ePaper
-----------------------------------------
by Un Kyu Lee
$339.00
](https://www.tindie.com/products/unkyulee/micro-journal-rev7-kindred-gift-epaper/?utm_source=hackaday&utm_medium=link&utm_campaign=fromstore)
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OneChipBook -12-A FPGA development platform
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by 8086YES!
$215.00
](https://www.tindie.com/products/cycle/onechipbook-12-a-fpga-development-platform/?utm_source=hackaday&utm_medium=link&utm_campaign=fromstore)
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Meshtastic Mesh Device Station G2
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by B&Q Consulting Shop
$109.00
](https://www.tindie.com/products/neilhao/meshtastic-mesh-device-station-g2/?utm_source=hackaday&utm_medium=link&utm_campaign=fromstore)
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zeptoforth
----------
](https://hackaday.io/project/170826)by [Travis Bemann](https://hackaday.io/hacker/554623)
[
Traffic Monitor
---------------
](https://hackaday.io/project/202602)by [glossyio](https://hackaday.io/hacker/1501683)
[
MicroPython using MSX Hardware
------------------------------
](https://hackaday.io/project/202507)by [Carlos](https://hackaday.io/hacker/1204783)
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Basic Hot-Swappable Keyboard with RGB
-------------------------------------
](https://hackaday.io/project/202280)by [Michael O'Toole](https://hackaday.io/hacker/31514)
[
Keyboard Development Boards (QMK-VIA)
-------------------------------------
](https://hackaday.io/project/198392)by [Michael O'Toole](https://hackaday.io/hacker/31514)
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Hacking Seasonal Yoda
---------------------
](https://hackaday.io/project/195655)by [savant42](https://hackaday.io/hacker/1195555)
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[So What Is A Supercomputer Anyway?](https://hackaday.com/2025/03/19/so-what-is-a-supercomputer-anyway/)
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[18 Comments](https://hackaday.com/2025/03/19/so-what-is-a-supercomputer-anyway//#comments)
* [](https://hackaday.com/2025/03/17/relativity-space-changes-course-on-path-to-orbit/)
[Relativity Space Changes Course On Path To Orbit](https://hackaday.com/2025/03/17/relativity-space-changes-course-on-path-to-orbit/)
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[22 Comments](https://hackaday.com/2025/03/17/relativity-space-changes-course-on-path-to-orbit//#comments)
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[You Know Pi, But Do You Really Know E?](https://hackaday.com/2025/03/14/you-know-pi-but-do-you-really-know-e/)
---------------------------------------------------------------------------------------------------------------
[28 Comments](https://hackaday.com/2025/03/14/you-know-pi-but-do-you-really-know-e//#comments)
* [](https://hackaday.com/2025/03/12/pixel-watch-3s-loss-of-pulse-detection-the-algorithms-that-tell-someone-is-dying/)
[Pixel Watch 3ās Loss Of Pulse Detection: The Algorithms That Tell Someone Is Dying](https://hackaday.com/2025/03/12/pixel-watch-3s-loss-of-pulse-detection-the-algorithms-that-tell-someone-is-dying/)
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[59 Comments](https://hackaday.com/2025/03/12/pixel-watch-3s-loss-of-pulse-detection-the-algorithms-that-tell-someone-is-dying//#comments)
* [](https://hackaday.com/2025/03/11/trapc-a-c-extension-for-the-memory-safety-boogeyman/)
[TrapC: A C Extension For The Memory Safety Boogeyman](https://hackaday.com/2025/03/11/trapc-a-c-extension-for-the-memory-safety-boogeyman/)
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[52 Comments](https://hackaday.com/2025/03/11/trapc-a-c-extension-for-the-memory-safety-boogeyman//#comments)
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[21 Comments](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt//#comments)
* [](https://hackaday.com/2025/03/19/floss-weekly-episode-825-open-source-ci-with-semaphore/)
[FLOSS Weekly Episode 825: Open Source CI With Semaphore](https://hackaday.com/2025/03/19/floss-weekly-episode-825-open-source-ci-with-semaphore/)
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* [](https://hackaday.com/2025/03/19/from-the-ashes-coal-ash-may-offer-rich-source-of-rare-earth-elements/)
[From The Ashes: Coal Ash May Offer Rich Source Of Rare Earth Elements](https://hackaday.com/2025/03/19/from-the-ashes-coal-ash-may-offer-rich-source-of-rare-earth-elements/)
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[34 Comments](https://hackaday.com/2025/03/19/from-the-ashes-coal-ash-may-offer-rich-source-of-rare-earth-elements//#comments)
* [](https://hackaday.com/2025/03/18/keebin-with-kristina-the-one-with-the-cheesy-keyboard/)
[Keebinā With Kristina: The One With The Cheesy Keyboard](https://hackaday.com/2025/03/18/keebin-with-kristina-the-one-with-the-cheesy-keyboard/)
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[3 Comments](https://hackaday.com/2025/03/18/keebin-with-kristina-the-one-with-the-cheesy-keyboard//#comments)
* [](https://hackaday.com/2025/03/17/ask-hackaday-what-would-you-do-with-the-worlds-smallest-microcontroller/)
[Ask Hackaday: What Would You Do With The Worldās Smallest Microcontroller?](https://hackaday.com/2025/03/17/ask-hackaday-what-would-you-do-with-the-worlds-smallest-microcontroller/)
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[91 Comments](https://hackaday.com/2025/03/17/ask-hackaday-what-would-you-do-with-the-worlds-smallest-microcontroller//#comments)
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* macegr on [Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/#comment-8111026)
* Julian Skidmore on [Modern Computingās Roots Or The Manchester Baby](https://hackaday.com/2025/03/19/modern-computings-roots-or-the-manchester-baby/#comment-8111025)
* macegr on [Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/#comment-8111024)
* Dude on [Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/#comment-8111023)
* Davep on [Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/#comment-8111022)
* El Gru on [Linux Fu: A Warp Speed Prompt](https://hackaday.com/2025/03/20/linux-fu-a-warp-speed-prompt/#comment-8111019)
* Dude on [Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/#comment-8111018)
* Dude on [Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/#comment-8111017)
* Dude on [Solar Power, Logically](https://hackaday.com/2025/03/20/solar-power-logically/#comment-8111016)
* El Gru on [Chemistry Meets Mechatronics In This Engaging Art Piece](https://hackaday.com/2025/03/20/chemistry-meets-mechatronics-in-this-engaging-art-piece/#comment-8111014)
Now on Hackaday.io
==================
* [Michael O'Toole has updated the log for Keyboard Development Boards (QMK-VIA).](http://www.hackaday.io/project/198392-keyboard-development-boards-qmk-via)
* [Dami Kim has updated the log for Reaction Wheel Self Balancing Cube.](http://www.hackaday.io/project/202695-reaction-wheel-self-balancing-cube)
* [Dami Kim has updated the log for Reaction Wheel Self Balancing Cube.](http://www.hackaday.io/project/202695-reaction-wheel-self-balancing-cube)
* [Dami Kim has updated the log for Reaction Wheel Self Balancing Cube.](http://www.hackaday.io/project/202695-reaction-wheel-self-balancing-cube)
* [Dami Kim has updated the log for Reaction Wheel Self Balancing Cube.](http://www.hackaday.io/project/202695-reaction-wheel-self-balancing-cube)
* [Dami Kim has added a new project titled Reaction Wheel Self Balancing Cube.](http://www.hackaday.io/project/202695-reaction-wheel-self-balancing-cube)
* [and4v liked Solar Powered WiFi Weather Station V4.0.](http://www.hackaday.io/project/187061-solar-powered-wifi-weather-station-v40)
* [Kevin liked puckman.](http://www.hackaday.io/project/202376-puckman)
* [Kevin liked BlindBot.](http://www.hackaday.io/project/202258-blindbot)
* [Kevin liked GLOBO.](http://www.hackaday.io/project/202260-globo)
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