Hello friends ❄️As the cold is getting stronger, my little siblings and I feel very cold😢.
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Hello friends ❄️
As the cold is getting stronger, my little siblings and I feel very cold😢. Therefore, I need some money to buy winter clothes, blankets, and nylon sheets to prevent water from leaking.
I hope you can help, even with one dollar 😭
I feel ashamed to ask for help, but I am forced to 😔
@fabio
@aral
@riverbirchtree
@TomSwirly @Geri
@Casey
@tima
@ddr
@Sherifazuhur @joshsusser
@VjosaMusliu
@nizarus @ttiurani
@RFancio
@wennmai
@Mogleg @joynewacc
https://chuffed.org/project/147168-save-mohammad-and-his-family-from-hunger-and-extermination
#Gaza -
undefined Majden 🍉🎨🕊👠 shared this topic on
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@ferrante @giornalismo ma come?
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@giornalismo
articolo21.org/2025/11/garante…
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@Steve12L bonne nuit !
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2025 Component Abuse Challenge: A Piezo Disk Powers A Transmitter
A piezo disk transducer is a handy part for reproducing beeps and boops, and can also function as a rudimentary microphone. Being a piezoelectric element, it can also generate usable power. Enough to run a radio transmitter? [b.kainka] is here to find out, with what may be the simplest possible transmitter circuit.
The active element in the circuit, such as it is, comes from a crystal. This functions as an extremely stable and high Q tuned circuit. When excited by a pulse of electricity, the circuit will carry oscillations in a similar manner to a bell ringing until the pulse is exhausted. A small lever fashioned from a piece of wire supplies the voltage by flexing the piezo disk and a contact, a diode discharges the reverse voltage as the disk returns to shape, and a small capacitor provides an AC path to ground. It works, if a small pulse of very low-power RF near the crystal’s frequency can be described as working.
It may not be the most practical transmitter, but it’s certainly something we’ve not seen before. It’s part of our 2025 Component Abuse Challenge, for which you still have time to make an entry yourself if you have one.
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@boris please let me know if there's time in your schedule to meet one-on-one.
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630/x (yesterday)
30-second-sketches
reference pictures from https://line-of-action.com/
#Sketch #SketchBook #MastoArt #Art #Fineliner #FinelinerArt #Ink #InkArt #OneLine #OneLineDrawing #Drawrch #Linework #LineArt #Draw #DrawingAnimals #Dog #KleineKunstklasse #TraditionalArt #DailyArt #DailySketch
