2+ hour, 36+ min ago   (245+ words) An audio amplifier was once a fairly simple analogue device, but in recent decades a typical home entertainment amplifier will have expanded to include many digital functions. When these break they ar... An audio amplifier was once a fairly simple…...

1+ day, 19+ hour ago   (688+ words) [caption id="attachment_897604" align="alignright" width="400"] The radio unit after a successful repair. (Credit: Buy it Fix it, YouTube)[/caption] The exciting part about repairing consumer electro......

3+ week, 1+ hour ago   (129+ words) We seldom talk about 3D printing lenses because most techniques can't possibly produce transparent parts of optical quality. However, you can 3D print something'like a lens, as [Luke Edwin] demonstrates, "read more We seldom talk about 3D printing lenses because most techniques can't…...

3+ week, 2+ day ago   (340+ words) We're most familiar with sound as vibrations that travel through the atmosphere around us. However, sound can also travel through objects, too! If you want to pick it up, you'd "read more We're most familiar with sound as vibrations that…...

3+ week, 6+ day ago   (350+ words) These days, you get a fantastic camera with the purchase of just about any modern smartphone. [Abe] missed some of the charm of earlier, lower-quality digital cameras, though, and wanted "read more These days, you get a fantastic camera with…...

4+ week, 2+ day ago   (176+ words) Keychain cameras are rarely good. However, in the case of Walmart's current offering, it might be worse than it's supposed to be. [FoxTailWhipz] bought the Vivitar-branded device and set about "read more Pulling the device apart was easy, revealing that…...

1+ mon, 1+ day ago   (300+ words) Most of us are familiar with vinyl LPs, and even with the way in which they are made by stamping a hot puck of polyvinyl chloride (PVC) into a record. But [Technostalgism] takes us all the way back to the…...

1+ mon, 1+ week ago   (194+ words) It turns out there's an exception to all the disappointment: the Sony Digital Video Media Converter (DVMC) is a piece of vintage hardware released in 1998 that completely outperformed the other devices [VWestlife] tested. There is a catch, but it's a small…...

1+ mon, 1+ week ago   (408+ words) One easy way to make a very accurate clock is with a WiFi-enabled microcontroller like an ESP32 and a display: set up NTP, and you'll never be off by more "read more One easy way to make a very accurate clock…...

1+ mon, 1+ week ago   (352+ words) Although it might seem like there was a sudden step change from analog to digital sometime in the late 1900s, it was actually a slow, gradual change from things like "read more Although it might seem like there was a sudden…...