Posted by jpluimers on 2021/08/19
Quite some interesting bits in [WayBack] Thread by @Foone: “So if you want to use a USB floppy drive, you use a USB protocol called the UFI: Uniform Floppy Interface. What’s UFI? A way to embed ATAPI […]”
Via [WayBack] Kristian Köhntopp on Twitter: “PC Hard drive and floppy disk interfaces, and the people and companies that made them.”
https://twitter.com/isotopp/status/1174609922316783616
–jeroen
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Posted by jpluimers on 2021/08/18
LOL: [WayBack] atx psu 24pin 24p power supply jumper jack adapter connector for btc – Google Search
Via [WayBack] Brad Smith a Twitter: “LOL I just wanted to buy the cheapest ATX socket on ebay to to make a little power jumper connector, and the cheapest one already has the wire stuck onto it. “…for BTC” 🤣… “
–jeroen
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Posted by jpluimers on 2021/07/28
[WayBack] Frank A. Krueger on Twitter: “I made a build status IoT thing! Automatically polls @bitrise and is even Alexa controlled (for brightness and to turn off). Now I want to add github issue and PR counts. Just a $12 ESP32 and a $30 led matrix.”
[WayBack]
–jeroen
Posted in Development, DVCS - Distributed Version Control, ESP32, GitHub, Hardware Development, Software Development, Source Code Management | Leave a Comment »
Posted by jpluimers on 2021/03/24
In German, but very interesting IR-Lesekopf für SmartMeter selber bauen | haus-automatisierung.com [4K] – YouTube:
- Manual steps (Genaue Anleitung) [WayBack] hardware:controllers:ir-schreib-lesekopf-ttl-ausgang [wiki.volkszaehler.org]
- Case (Gehäuse) [WayBack] IR Lesekopf für SmartMeter by klein0r – Thingiverse
- Ringmagnet – [Archive.is] Neodym Ringmagnet 27 x 5 mm mit 16 mm Bohrung, Grade N42, vernickelt, Supermagnet: AmazonSmile: Baumarkt
I could not find the promised follow-up video at haus-automatisierung.com – YouTube, but the manual steps and the site below have enough information for me.
Too bad the site is way to big to fully archive in the WayBack machine. I only saved the top pages:
Related: [WayBack] MQTT-Grundlagen-Kurs – haus-automatisierung.com
–jeroen
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Posted by jpluimers on 2021/03/18
Cool little camera.
Absolutely not HD, but comes in very handy for instance when monitoring things from a remote location.
More at [WayBack] ESP32-CAM Video Streaming Web Server (works with Home Assistant) | Random Nerd Tutorials
Build an IP Surveillance Camera with the ESP32-CAM board. The ESP32 Camera hosts a video streaming web server that integrates with Home Assistant or in any browser.
–jeroen
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Posted by jpluimers on 2021/03/17
They are much stronger than plastic threads, no matter how you create the plastic threads.
To make them even stronger, add shell thickness to the thread locations, either globally or by using modifier meshes. Modifier meshes work way better in Cura than in Slic3r.
–jeroen
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Posted by jpluimers on 2021/02/24
Still an interesting device: [WayBack] NanoPi NEO2 1GB Metal Complete Kit, NP-NEO2-1G-STK – Antratek Electronics:
The NEO2 Metal Complete Kit includes:
- NanoPi NEO2 1GB
- NanoHat OLED
- Aluminum housing with 3 brass buttons
- Paste and pads
- MicroUSB cable
- 8GB MicroSD Card with pre-installed FriendlyCore Ubuntu
- Screws and screw driver
- NanoPi NEO2 quick start guide
The NanoPi NEO2 LTS (Long Term Support) is a super tiny ARM board made by FriendlyElec and uses Allwinner’s 64-bit H5 quad-core SoC (ARM Cortex-A53). It has internal hexa-core Mali450 GPU and 512MB DDR3 RAM.
The NanoPi NEO2 has Gigabit Ethernet and one USB host port. These features make it especially suitable for applications that require high data throughput, high-speed data transmission and high performance.
–jeroen
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Posted by jpluimers on 2020/12/24
For my link archive (this DIN rail device allow sensing current used by a circuit; models for 5A/20A/30A).
Thanks Matthijs ter Woord for pointing me to this.
Schematics show it uses an LM317 linear voltage regulator (to get 5V out of a 8V-35V range) next to the ACS712 current sensor (based on the [WayBack] Hall effect) available in 5A, 20A and 30A varieties.
Documentation:
Schematics:
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Posted by jpluimers on 2020/11/09
Cool video with nice ideas:
–jeroen
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Posted by jpluimers on 2020/11/06
The first is 100mbit, some do not get it to work with Raspberry Pi 3B+, but others do get it to work, even at 1Gbit:
The second is 1Gbit, about 40% more expensive, but just works:
Via: [WayBack] Thread by @Nick_Craver: “Shout out to @mstum for reminding me 1Gb PoE USB splitters are completely viable for Raspberry Pis – now running a fi PoE switches and using just 1 outlet on the UPS: … Less wiring and if the network’s […]”
–jeroen
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The Wiert Corner - irregular stream of stuff 