We once thought that the best houses on Halloween were the ones that gave out full-size candy bars. While that’s still true, these days we’d rather see a cool display …read more (https://hackaday.com/2023/10/16/bone-shaking-haunted-mirror-uses-stable-diffusion/)

Low-Cost Electret Microphone Preamplifiers
https://hackaday.com/2023/10/16/low-cost-electret-microphone-preamplifiers/

Before the invention of microelectromechanical system (MEMS) microphones, almost all microphones in cell phones and other electronics were a type of condenser microphone called the electret microphone. The fact that …read more (https://hackaday.com/2023/10/16/low-cost-electret-microphone-preamplifiers/)

Vintage Computer Festival Southern California
https://hackaday.com/2023/10/16/vintage-computer-festival-southern-california/

The Vintage Computer Festival is coming to sunny Southern California in February 2024. That’s right, bring your Commodores, your Tandys,  your PDP-11s, and Altairs. The world of retrocomputing will be …read more (https://hackaday.com/2023/10/16/vintage-computer-festival-southern-california/)

A Look At a 1960s Tube-Based Magnavox Concert Grand Console Stereo
https://hackaday.com/2023/10/16/a-look-at-a-1960s-tube-based-magnavox-concert-grand-console-stereo/

Back in presumably the early 1960s, [David]’s grandfather bought a console stereo featuring a record player, AM/FM radio and a rather astounding stereo speaker system that would be more than …read more (https://hackaday.com/2023/10/16/a-look-at-a-1960s-tube-based-magnavox-concert-grand-console-stereo/)

Solar Camera Built From Raspberry Pi
https://hackaday.com/2023/10/17/solar-camera-built-from-raspberry-pi/

Ever since an impromptu build completed during a two-week COVID-19 quarantine back in 2020, [Will Whang] has been steadily improving his Raspberry Pi solar photography setup. It integrates a lot …read more (https://hackaday.com/2023/10/17/solar-camera-built-from-raspberry-pi/)

The Clock, Another Way to Modify the Sound of a Synth Chip
https://hackaday.com/2023/10/17/the-clock-another-way-to-modify-the-sound-of-a-synth-chip/

The Philips SAA1099 is perhaps one of the lesser-known among the crop of 1980s-era 8-bit sound generator chips, but with three stereo voices onboard it makes a capable instrument for …read more (https://hackaday.com/2023/10/17/the-clock-another-way-to-modify-the-sound-of-a-synth-chip/)

The Pros and Cons of Hydrofoils
https://hackaday.com/2023/10/17/the-pros-and-cons-of-hydrofoils/

The Boeing 929 hydrofoil ferry can achieve speeds of up to km/h. Credit: Daniel Case, CC BY-SA 3.0
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/10/TurboJet_hydrofoil_Cacilhas_in_Hong_Kong_harbor.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/10/TurboJet_hydrofoil_Cacilhas_in_Hong_Kong_harbor.jpg?w=800">Hydrofoils have fascinated naval architects and marine designers for years. Fitted with underwater wings, these designs traverse the waters at great speed with a minimum of drag. As with many …read more (https://hackaday.com/2023/10/17/the-pros-and-cons-of-hydrofoils/)

Silicon Photolithography the PCB Way
https://hackaday.com/2023/10/17/silicon-photolithography-the-pcb-way/