Video distribution amplifiers are used to amplify a video signal and split it into multiple outputs so multiple displays can be driven. They are also used to correct the gain of an incoming video signal. [Andrew] was having trouble with the video signal from an interferometer, and found the issue was caused by a low output gain. His solution was … Read the rest
Enjoy a fun episode of “Fact or Fiction” with [Veronica Belmont], with guest [me] from Hackaday. The show “Fact or Fiction” generally takes some popular topic and talks to experts who can shed some light on the topic. They’ve had all kinds of intelligent people on, and also me. If you watch a few episodes you’ll see that she tends … Read the rest
The Makerbar, Hoboken’s Hackerspace, was in desperate need of a reflow oven. Hurricane Sandy did a number on a whole bunch of household appliances, so when [Kush] saw a neighbor throw out a broken toaster oven, the Makerbar crew sprung into action.
The storm waters shorted the electronics board, fried the existing controls, and basically turned the oven into … Read the rest
[Thomas] wanted to play around with a few high-power LEDs and a RaspberryPi. LED controllers usually require some form of PWM to change the brightness of a LED, and unfortunately the Pi only has one PWM pin. [Thomas] could have gotten around this with a custom chip or even an Arduino hanging off the Pi’s USB port. He opted to … Read the rest