This is too cool. A core dump then binary patch to work around memory hardware failure 15 BILLION MILES AWAY: How NASA Fixed a Software Bug 15 BILLION MILES AWAY | Voyager 1
Voyager bug fix
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Microcontroller display
Here’s an interesting video about integrating a display with your microcontroller: The BASICS of Adding a Display to Your Arduino, ESP32, STM32, or other MCU Project. The graphics library he recommends is LVGL.
Mail Call #24: Mesh Organizer, Peak Atlas Accessories, Metcal Sponge, Decade Box, and More!
This post is part of my video blog and you can find more information about this video over here.
You can support this channel on Patreon: patreon.com/JohnElliotV
In this video we take a look at what has arrived in the mail from eBay, Peak Electronic Design, element14, AliExpress, and Amazon.
- Office Desk Pen Pencil Pot Ruler Scissor Cup Mesh Organize ContaineSE Square
- Office Desk Pen Pencil Pot Ruler Scissor Cup Mesh Organize ContaineSE Round
- Peak Electronic Design PCA23 Peak SOT-23 Component Adapter
- Peak Electronic Design LX30 2mm Banana Plugs 300mm Extension Cable
- Peak Electronic Design LCRLHP2 Replacement LCR Hook Probe
- Peak Electronic Design CRC01EM ESR 2mm Banana Socket Croc Clip Set
- Peak Electronic Design ENP90 2mm Banana Socket Needle Probe Set
- Peak Electronic Design SMD03M LCR/ESR 2mm Banana Socket SMD Tweezers
- Peak Electronic Design 3DPAS 3D Printed Peak Atlas Stand
- METCAL AC-YS4 Sponge, Round, Replacement, for use with WS2 Workstand
- MULTICOMP PRO MP701033 Decade Box, Resistance, 7, 1ohm to 11.11111Mohm, 1 %, Multicomp Pro Resistance Box
- 100PCS Pitch jumper shorted cap & Headers & Wire Housings 2.54MM SHUNT Black yellow white green red blue
- Eversure Wide Space Switched 4 Outlet Powerboard, Black
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
Aussishop Calipers notes |
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Running Linux in PDF
Gromit-MPX
Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland.
Arduino Keyboard library not working on Debian KDE
Man, I just spent quite a bit of time diagnosing this particular issue.
The problem was that my Symbol Keyboard stopped working. This is a USB keyboard I made from an Arduino Leonardo. The touch screen was working okay, but the keypresses weren’t being delivered over USB.
Long story short, the 7-port USB 3.0 hub attached to my workstation needed rebooting! I disconnected the power supply and disconnected the upstream USB cable to remove both sources of power, then when I reconnected everything my stuff started working again, including my symbol keyboard.
Lesson learned: if you’re debugging a USB device failure try plugging the device directly into the host to avoid any potential issues caused by your hub(s).
It was lucky I had a spare 104-key USB keyboard in the cupboard because I needed one while diagnosing this issue (the Windows box I was using only has a tenkeyless 87-key keyboard plugged into it but the Windows alt-key codes require use of the number pad).
The latest incarnation of my symbol keyboard looks like this:
Mail Call #23: Powerboards, Power Cords, Brushes, Tool Organizers, Components, and More!
This post is part of my video blog and you can find more information about this video over here.
You can support this channel on Patreon: patreon.com/JohnElliotV
In this video we take a look at what has arrived from Amazon and AliExpress:
- HPM Standard 6 Outlet Powerboard Black
- HPM Standard 4 Outlet Powerboard White
- Power Cord C20 to AU Socket Extension Cable UPS Unit Replaces IEC320-C20 3 pin Female converaion 3G*1.0mm 20CM Short Length for Studio Equipment
- 50PCS Inkjet Printhead Cleaning Foam For Epson Roland Mimaki Mutoh Cleaning Tool Printhead Cleaning
- 1PC Makeup Brushes Paint Brushes Holder Make Up Organizer Detachable 96 Hole Pencil Holder For Desk PensArt Painting Supplies
- 67 Holes Paintbrush Holder Stand Wooden Paint Brush Stand Desk Organizer Wall Mounted Makeup Brush Shelf For Painting Supplies
- Basic Starter Kit for ESP32 ESP-32S WIFI Development Board Project Learning Kit with Tutorials ESP32 kit with box
- USB Type A to Type A Adapter 180 Degree Up & Down Angled USB 3.0 Adapter A Male to Female Extension Converter 5Gbps Laptop PC
- 10/50Pcs Universal 502 Instant Super Glue Dropping Tube Nozzle Lengthened Needle Tube Bottle Cap Catheter Dropper Adhesive Tool
- Micro USB to Mini USB Type-C Adapter Female To Micro Usb Male Converter Connector Aluminum Alloy
- 50pcs 12mm Precision Tips Liquid Dispenser Syringe Needles Tips 304 14G -30G Gauge Tips Glue Dispensing
- Universal Phone Repair Tools Kit Disassembly Blades Pry Opening Tool Metal Crowbar Disassemble Kit Phone Spatula Hand Tools Set
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
TEAC 19″ Television |
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Silicone and Acetone
Check this out: Waterproof material with silicone and acetone.
Unboxing #26: Unboxing Metal and Plastic Yum Cha Spudgers | In The Lab With Jay Jay
This post is part of my video blog and you can find more information about this video over here.
You can support this channel on Patreon: patreon.com/JohnElliotV
In this video we unbox two spudger sets which arrived recently from AliExpress:
If you’re looking for spudgers I have some other ones as well which you can read about over here: Equipment Category: Spudgers.
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
Yum Cha Magnetic Claw Pickup Tool notes |
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Interlude #13: Assembling the 5-Layer Acrylic Pen Holder | In The Lab With Jay Jay
This post is part of my video blog and you can find more information about this video over here.
You can support this channel on Patreon: patreon.com/JohnElliotV
In this video we assemble the acrylic pen holder I ordered from AliExpress: Acrylic Pen Holder Pen Holder Pencil Makeup Brush Storage Box Brush Storage Rack In Supermarket Stationery Store School Supplies.
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
Logitech Brio USB Camera |
Let’s go shopping!