Do-It-Yourself Illustrated

ACARS is the abbreviation of Aircraft Communications and Reporting System and it is a digital 2400 bps data link system transmitted via VHF radio band (131.550 MHz is primary ACARS channel for US and Canada) which allows airline flight operations departments to communicate with the various aircraft in their fleet. It was developed in the [...]

This media box was basically made from recycled computer components and free open-source software. The project was done in 2003 and after few minor upgrades still works well. The case is from non-working SONY branded DVD player Motherboard is EPIA micro-AT with all ports on board Power supply is taken from one of the used [...]

The 6-volt batteries are sucks, this is a fact.  Besides very low capacity they also cost a fortune in “Toy-R-Us”. Being challenged by efficiency of my son’s ride-on jeep, I decided to rewire it to use normal lead-acid 12-volt battery. Though, the vehicle has two rear 12v motors with independent gears, it originally uses two [...]