Skip to content

Piero Bosio Social Web Site Personale Logo Fediverso

Social Forum federato con il resto del mondo. Non contano le istanze, contano le persone
  1. Home
  2. Categories
  3. Uncategorized
  4. [TSKaigi 2026]の登壇者募集、数日前に締め切られたんだな。私が出したプロポーザルは通るかな？

[TSKaigi 2026]の登壇者募集、数日前に締め切られたんだな。私が出したプロポーザルは通るかな？

Uncategorized
2 1 2
Log in to reply

Feed RSS
[TSKaigi 2026]の登壇者募集、数日前に締め切られたんだな。私が出したプロポーザルは通るかな？

Gli ultimi otto messaggi ricevuti dalla Federazione
@pierobosio@soc.bosio.info
Post suggeriti
  • anarchiversitario@poliversity.itundefined

    Giovanna De Carli: «Appena mi sono resa conto che…@anarchia che ero nata e non sbocciata…».

    Uncategorized
    1
    0 Votes
    1 Posts
    0 Views
    anarchiversitario@poliversity.itundefined
    Giovanna De Carli: «Appena mi sono resa conto che…@anarchia che ero nata e non sbocciata…». Appuntamento con “la cicala del sabato” (*) Appena mi sono resa conto che ero nata e non sbocciata ho deciso di abbassare la maniglia Di uscire dalla porta degli emersi Di diventare una conchiglia...Vedihttps://www.rivoluzioneanarchica.it/giovanna-de-carli-appena-mi-sono-resa-conto-che/
  • amoroso@oldbytes.spaceundefined

    Do you have a friend who is a decent person with great skills?

    Uncategorized
    1
    0 Votes
    1 Posts
    3 Views
    amoroso@oldbytes.spaceundefined
    Do you have a friend who is a decent person with great skills? Introduce them to friends or acquaintances who one day might hire your friend. Just let them know each other.Build a support network for your friend now, before they need a job. Don't wait for your friend to get fired and scramble for openings, have opportunities and connections ready.
  • cybersecurity@poliverso.orgundefined

    Building a $50 SDR with 20 MHz Bandwidth

    Uncategorized
    1
    1
    0 Votes
    1 Posts
    2 Views
    cybersecurity@poliverso.orgundefined
    Building a $50 SDR with 20 MHz BandwidthAlthough the RTL-SDR is cheap, accessible, and capable enough for many projects, it does have some important limitations. In particular, its bandwidth is limited to about 3.2 MHz, and the price of SDRs tends to scale rapidly with bandwidth. [Anders Nielsen], however, is building a modular SDR with a target price of $50 USD, and has already reached a bandwidth of almost 20 MHz.If this project looks familiar, it’s because we’ve covered an earlier iteration. At the time, [Anders] had built the PhaseLoom, which filters an incoming signal, mixes it down to baseband, and converts it to I/Q signals. The next stage is the PhaseLatch, a board housing a 20-MHz, 10-bit ADC, which samples the in-phase and quadrature signals and passes them on to a Cypress FX2LP microcontroller development board. [Anders] had previously connected the ADC to a 6502 microprocessor instead of the FX2LP, but this makes it a practical SDR. The FX2LP was a particularly good choice for this project because of its USB 2.0 interface, large buffers for streaming data, and parallel interface. It simply reads the data from the SDR and dumps it to the computer.The FX2LP didn’t support the ADC’s clock rate, and overclocking the ADC led to issues, so [Anders] connected the ADC to an independent 20 MHz oscillator. The frequency spectrum of the SDR was oddly bell-shaped, which turned out to be due to the limited analogue bandwidth of the PhaseLoom (about 650 kHz) falling behind the digital bandwidth of 20 MHz. The PhaseLoom’s bandwidth seemed to be limited mostly by an amplifier, and decreasing its gain greatly improved matters. The SDR doesn’t yet have a 20 MHz bandwidth according to the normal definition, but it’s close enough to be practical, and further improvements will have to wait on an updated PhaseLoom board.The Cypress development board used here is surprisingly capable – we’ve previously seen it used to build an SDR GPS decoder. Most of the custom-built SDRs we see don’t focus on technical performance, but do use such interesting components as a tube-based receiver or a custom silicon chip.youtube.com/embed/gf1M8sVMaNA?…hackaday.com/2026/03/22/buildi…
  • campuscodi@mastodon.socialundefined

    Foster City in California has shut down all public services after a ransomware attack last week

    Uncategorized
    1
    0 Votes
    1 Posts
    3 Views
    campuscodi@mastodon.socialundefined
    Foster City in California has shut down all public services after a ransomware attack last weekhttps://www.fostercity.org/community/page/foster-city-services-impacted-cyber-security-breach