Collaborate Disseminate
For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you …read more Continue reading Copper Be Gone: The Chemistry Behind PCB Etching
A common joke in electronics is that every piece of wire and PCB trace is an antenna, with the only difference being whether this was intentional or not. In practical …read more Continue reading When Does Impedance Matching a PCB Trace Become Unavoidable?
If you’ve ever wondered where the term “banker’s hours” came from, look back to the booming post-war economy of 1950s America. That’s when banks were deluged with so many checks, …read more Continue reading Retrotechtacular: Building the First Computers for Banking
If you’ve ever wondered where the term “banker’s hours” came from, look back to the booming post-war economy of 1950s America. That’s when banks were deluged with so many checks, …read more Continue reading Retrotechtacular: Building the First Computers for Banking
Troubleshooting a circuit is easy, right? All you need is a couple of hands to hold the probes, another hand to twiddle the knobs, a pair of eyes to look …read more Continue reading Hackaday Prize 2023: Circuit Scout Lends a Hand (Or Two) for Troubleshooting
[Sebastian] probably didn’t think he was wading into controversial waters when he posted on his experimental method for etching PCBs (in German). It’s not like etching with hydrochloric acid and …read more Continue reading Different Etching Strokes for Different PCBs, Folks
You know the old saying. When all you have open is KiCad, everything looks like a PCB. That was certainly true for [Evan], who needed to replace a 2.5D small …read more Continue reading Nail, Meet KiCad
For those who wish to go beyond through-hole construction on perfboard for their circuit boards, a printed circuit board is usually the next step up. Allowing for things like surface-mount …read more Continue reading DIY Laser For Ablating Metal
The ThinkPad 701 is an iconic laptop series from the mid-90s and is still highly sought after today because of its famous butterfly keybaord. The laptop itself is tiny even …read more Continue reading Reverse Engineering a Classic ThinkPad Battery
If you’ve been building circuits for any length of time, you probably know you need decoupling capacitors to keep your circuits stable. But even though it’s a favorite technique of …read more Continue reading Proper Decoupling Capacitors