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rétro ingénierie
Bonjour Je lance une bouteille dans l'océan….. Je ne sais pas si des mordus en…
Mains frequency turned into a clock with plain counters
Most of us would reach for a microcontroller and call it done, so it is…
Is it normal for a latching slide switch to fight with firmware that expects a momentary press?
Been chipping away at a little e-ink reader build lately and hit a snag I…
Ground-mounted 40kW array feeding the grid
Running an array big enough to sell power back to the utility is usually out…
First-time walnut veneer floorstanders with Scan-Speak drivers
The detail that jumped out at me: this was a first attempt at veneering, and…
RealVNC server on RasPi with Raspian/Debian Bookworm - current situation
I know that at one time newer versions of Raspian (eg Bookworm) wouldn't run…
How do I know if my solder joints are actually any good?
Finally tried soldering for the first time last night. Got a cheap iron, some…
Can a Raspberry Pi boot with nothing attached except power?
I keep seeing these bare bones Pi builds where the board just sits there with…
One LED per record slot or just light whole sections - what would you do?
Been slowly working through my vinyl wall trying to fix the classic 'shoved a…
Frequently Asked Questions All FAQs »
rec's for NiMH battery tester/charger?
I've got a big chunk of AA, AAA, and some C NiMh cells of varying ages... I'd…
atiny13 to atiny25
I'm in the process of shfiting a board using Atmel's atiny13 to the atiny25.…
wart overvoltage protection
We make a gadget that's powered by a 12 volt wart, and sometimes a user…
Raspberry Pi Sound card problem electret condenser microphones
I want to process the signals of five electret condenser microphones with…
Radio Reception - Massive Electrical Interference
Hi! I just moved to an apartment and wanted to keep my radio in the bathroom…
Driving LEDs with constant voltage
I have some 7-segment displays I'd like to drive from a uP output...the…
Controlling alot of LEDs from Arduino or AVR. Maybe 74HC595
I am trying to create a project much like like a Marquee sign, I want to be…
Solved Issues All Solved »
Problem with wiringPi (2025 Update)
Hi I set out with the intention of connecting and communicating with small…
Soldering gun tip - Weller DIY tipreplacement
I have a Weller soldering gun & the tip burned through. Not having a spare, I…
~ OT? Dust in a computer
Any good solutions to keep the dust out? Anyone doing anything along those…
Repair of Samsung 55" TV - backlight problem
Friends of mine have a Samsung 55" 4K TV, model UN55HU6840 (about 2014). They…