Collaborate Disseminate
[Thinking Techie] takes us back to basics in a recent video explaining how magnets, coils, brushed DC motors, and brushless DC motors work. If this is on your “to learn” …read more Continue reading An Introduction to DC Motor Technology
You know what’s not fun? Sorting LEGO. You know what is fun? Making a machine to sort LEGO! That’s what [LegoSpencer] did, and you can watch the machine do its …read more Continue reading Making a Machine to Sort One Million Pounds of LEGO
Over on YouTube [Usagi Electric] shows us how he installed an 84MB hard drive into his PDP-11/44. In the beginning he purchased a bunch of RA70 and RA72 drives and …read more Continue reading Installing an 84MB Hard Drive Into a PDP-11/44
![[Gerry] holding up a DIP IC](https://hackaday.com/wp-content/uploads/2025/11/Behind-The-Code-with-Gerry-Altera-CPLD-banner.jpg?w=800)
Over on the [Behind The Code with Gerry] YouTube channel our hacker [Gerry] shows us how to emulate a 74LS48 BCD-to-7-segment decoder/driver using an Altera CPLD Logic Chip From 1998. …read more Continue reading Emulating a 74LS48 BCD-to-7-Segment Decoder/Driver with an Altera MAX 7000 “S” Series Complex Programmable Logic Device
Over on YouTube, [Ben Eater] pursues that classic 8-bit sound. In this video, [Ben] integrates the MOS Technology 6581 Sound Interface Device (SID) with his homegrown 6502. The 6581 SID …read more Continue reading Programming the 6581 Sound Interface Device (SID) with the 6502
![A photo of [nanofix]'s bench including his FNIRSI soldering station.](https://hackaday.com/wp-content/uploads/2025/11/nanofix-phantom-voltage-banner.jpg?w=800)
Just because you are paranoid doesn’t mean people aren’t out to get you. Do you think your soldering iron is after you? Well, [nanofix] asks (and answers): Is My Soldering …read more Continue reading Investigating Soldering Iron Phantom Voltage
[Miroslav Hancar] wasn’t satisfied with abusing just a single component for our Component Abuse Challenge. He decided to abuse a whole assembly, in particular, some LED candles. In this project, …read more Continue reading 2025 Component Abuse Challenge: Heat Activated LED Candles
Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must …read more Continue reading Teardown of HP Optical Link and Signal Investigations Using Siglent Technology
Over on Hackaday.IO our hacker [bornach] has his entry into the Component Abuse Challenge: Inductors are Wireless Power Sources. Some time back [bornach] was gifted a Qi wireless charging base …read more Continue reading 2025 Component Abuse Challenge: Using Inductors to Steal Power from Qi Wireless Charging Base Station
For the Component Abuse Challenge our hacker [Tim Williams] observes that N-P-N reads the same way forwards and backwards, so… what happens if we reverse bias one? (Note: this remark …read more Continue reading 2025 Component Abuse Challenge: Reverse Biasing an NPN BJT