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Microcontroller Discussions
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Latest
Strange Metcal problem
My trusty Metcal iron ( 20 yrs old) is causing problems. I have a small PCB…
Is there any way to avoid import fees on tiny component orders?
Ordered a handful of resistors and a voltage regulator from a Chinese seller…
Tips for Crystal Radio Builds That Actually Make a Difference
Setting up a crystal receiver can be tricky if you are just starting out. The…
Hand-placed LED panel build for a mini marquee kit
The toughest part of this project is sheer repetition: each panel carries…
How I finally got my first STM32 board programmed - steps that actually worked
Been through this exact confusion a couple years back so here's the short…
NFC recipe binder paired with a smart display
Most kitchen setups I see either leave recipes scattered across bookmarks and…
Finally done with the permanent lights, only took me three weekends
Just wrapped up the permanent puck lights around the whole front of the house…
Round ESP32-S3 board becomes a drift-to-anywhere desk radio
The trickiest part of this build seems to have been the display. The round…
Is a buck converter okay for running a 100W COB, or do I need a proper driver?
Finally got around to starting an artificial sunlight lamp for my basement…
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…