157 results for tags
electronics x
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The Light Phone
Minimal phone without internet access (except providing a WLAN hotspot), e-paper display.Thu Jan 27 15:30:33 2022 - permalink -
Found on https://forums.ubports.com/post/60752- https://www.thelightphone.com/
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Home · will127534/RaspberryPiAtomicNixieClock Wiki · GitHub
Found on Leah Neukirchen's blog https://leahneukirchen.org/trivium/2021-09-19Mon Dec 6 13:16:51 2021 - permalink -- https://github.com/will127534/RaspberryPiAtomicNixieClock/wiki
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Comparison Coaxial Cable - Coaxial line | Koax24
Compare properties of different coaxial cable types.Wed Oct 13 11:57:13 2021 - permalink -- https://www.koax24.de/en/overviews/comparison.html
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S/FILSYN filter design software
George Szentirmai's S/FILSYN is now freely available (as Windows executable).Wed Sep 15 15:54:38 2021 - permalink -
Found via https://en.wikipedia.org/wiki/Lattice_and_bridged-T_equalizers#cite_note-37- http://www.alkeng.com/sfilsyn.html
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Infinite Noise TRNG | Crowd Supply
"True" random number generator, found via https://github.com/dirkx/infnoiseThu Jul 8 12:03:23 2021 - permalink -- https://www.crowdsupply.com/13-37/infinite-noise-trng
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Collection of open-source digital design components ("IP Cores")
LibreCores is your gateway to free and open source digital designs and other components that you can use and re-use in your digital designs. Towards this goal, LibreCores provides you a comprehensive and easy directory of digital design components ("IP Cores"),Sun Apr 25 17:03:33 2021 - permalink -
means to assess the quality of those components, and documentation to learn more about the use and contribution to free and open source digital designs.- https://www.librecores.org
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On-line tool to create and simulate digital circuits
From simple gates to complex sequential circuits, plot timing diagrams, automatic circuit generation, explore standard ICs, and much moreSun Apr 25 17:01:22 2021 - permalink -- https://circuitverse.org/
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Total Frequency Control - Quartz crystals, oscillators, filters, inductors
Found via the post https://www.hpmuseum.org/forum/thread-16707.html on MoHPC.Sat Apr 24 10:37:01 2021 - permalink -- https://www.tfc.co.uk/index.php
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C. R. Bond's site
Found via the Wikipedia page about Optimum "L" filtersMon Mar 22 19:19:22 2021 - permalink -
https://en.wikipedia.org/wiki/Optimum_%22L%22_filter- http://www.crbond.com
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Accurate Apollo DSKY Replica
3d-printed design based on the original drawings.Wed Dec 23 20:25:55 2020 - permalink -- https://hackaday.io/project/174524-accurate-apollo-dsky-replica
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uBlox NEO-M8 series documentation
Tue Dec 1 21:14:16 2020 - permalink -- https://www.u-blox.com/en/product/neo-m8-series#tab-documentation-resources
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Circuit Diagram - A Circuit Diagram Maker
A user-friendly program for making electronic circuit diagrams in the browser. Circuits can be exported as netlists, PNG and SVG images and in the native format of the editor.Sat Jun 6 15:23:03 2020 - permalink -- https://www.circuit-diagram.org/
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Electronics Demonstrations
A number of circuit which can be simulated in the browser. I believe that it uses JavaScript, not Java.Sat Jun 6 15:19:28 2020 - permalink -
Many other physics-related simulations can be found on https://www.falstad.com/mathphysics.html- https://www.falstad.com/circuit/e-index.html
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RF Tools | Phase Noise to Jitter Calculator
See also the LC filter design tool at https://rf-tools.com/lc-filter/Fri May 15 17:35:00 2020 - permalink -- https://rf-tools.com/jitter/
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Current Ranger | LowPowerLab
CurrentRanger is a nanoAmp current meter featuring auto-ranging, uni/bi-directional modes, Bluetooth data logging options and more.Thu Jan 9 13:57:18 2020 - permalink -
It is a highly hackable and affordable ultra low-burden-voltage ammeter, appropriate for hobby and professional use where capturing fast current transients and measurement precision are important.- https://lowpowerlab.com/guide/currentranger/
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Audio Bootloader for Attiny85 Microcontrollers
You can simply program an Attiny85 via the audio output of a PC, Smartphone or audio-player.Thu Dec 19 16:44:54 2019 - permalink -
Only a low-part count circuit is needed.
The bootloader presented here has the following features:
low memory footprint: ~1KB
[full Arduino IDE integration] (https://github.com/8BitMixtape/8Bit-Mixtape-NEO/wiki/3_3-IDE-integration)
automatic Baudrate detection and callibration
very simple circuit: two 10 k resistors and a 100 nF capacitor are needed to connect the microcontroller to the audio output of the PC or audio player
one pin for data transmission is needed
an optional led indicator, needs an extra pin, for the state of the boot loader
as hex/binary to wav converter, programmed in java, is also available. It works on win and linux- https://github.com/ChrisMicro/TinyAudioBoot
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ArDSKYlite | Hackaday.io
A very lightweight representation of the venerable Apollo DSKY. Uses a Touch LCD to bypass all the hardware complexity.Thu Dec 19 16:25:35 2019 - permalink -- https://hackaday.io/project/168930-ardskylite
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Idea2IC.html
IDEAS to INTEGRATED CIRCUITSWed May 22 15:50:52 2019 - permalink -
Collection of stories, examples of IC designs and circuits- http://www.idea2ic.com/
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Current differencing transconductance amplifier - Wikipedia
Instead ofWed May 22 15:42:40 2019 - permalink -
"The CDTA is not free from parasitic input capacitances and it can operate in a wide frequency range due to current-mode operation."
something like "the CDTA is less sensitive to parasitic input capacitances..."
is more appropriate.- https://en.wikipedia.org/wiki/Current_differencing_transconductance_amplifier
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Elektronik und Mikrocontroller
Interesting collection of electronics experiments, kits, ideas (german).Fri Mar 15 17:33:45 2019 - permalink -- http://www.b-kainka.de/index.htm