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Latest
Touch pads in the copper make an ESP32-S3 polyphonic synth
The detail that surprised me most: the two touch pads are arranged into…
seltsamer 230V-Stecker
In der Kabelkiste habe ich zwei 230V-Anschlusskabel gefunden. Auf der einen…
NVME to USB3 adapters for Pi4
Does anyone have recommendations/experience of NVMe to USB3 adapters for use…
Browser tool turns schematics into stripboard and perfboard layouts
The hardest job in any vero build is translating a drawn schematic into a…
Is it normal to still dream about failing finals 30 years later?
I graduated in the early 90s from a decent engineering program and I've been…
One ground per segment or a shared ground back to the controller, what's your take?
Spent the last few weekends rebuilding my LED palm tree taller, spiral wrapped…
AI resistor picker
https://www.dropbox.com/scl/fi/46ayzr6kb9chfe455dq4u/14S560A.pdf?rlkey=qr2y7fko…
Bench Test Pits Two Closed-Loop NEMA 17 Steppers Against Each Other
Anyone who has tried to pick between two closed-loop NEMA 17 steppers knows…
Has anyone let their robot vacuum loose in the garage?
My garage is the one room the vacuum never touches and honestly it needs it…
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…