Month: September 2022

AUTOMATE THE FREIGHT: DRONES across THE SEA

When you think about which of the many technological advances of the 20th century had the most impact on the global economy, which one would you rank as the most important? would it be the space program, which gave rise to advances in everything from communications satellites to advanced composite materials? Or would it be…

By bqk September 5, 2022 0

SCANNER music

continuing our trend of peripherals modified to carry out functions that aren’t actually useful: here’s how to play music on your scanner. The HP ScanJet 3c/4c have a variable speed scan head that is driven by a stepper motor. The Play tune command can be used to relocation the head at different frequencies. Here’s a…

By bqk September 4, 2022 0

ROOMBA ROVER

[heathkit] as well as a buddy developed this rover a couple years ago. They chosen up a very first generation Roomba since it had all of the features they were looking for: a great bump sensor, low profile, wheel encoders. before eliminating the brains of the vacuum they put it in debug mode as well…

By bqk September 2, 2022 0

FLOPPY DRIVE RC car

many people don’t use their floppy drive anymore so you might as well make a car out of it, right? If you short two sets of pins in the drive connector, the motor will spin freely when 5V is applied. This motor is used to drive the rear axle. The front wheel is steered using…

By bqk September 1, 2022 0

S-VIDEO FROM AN ATARI 2600

[Ben Heck] posted this writeup about getting S-Video/composite out of an Atari 2600. This is actually the hack of [Longhorn Engineer], who showed it to [Ben] at a recent event. If any of you have tried to play these classics on a modern TV you may have found it to be quite difficult. If you…

By bqk September 1, 2022 0