The printing press is a great historical mirror for what’s happening now, and the story is more unsettling than most people realise. Within decades of Gutenberg’s 1440s printing press, the
A quick Lego rover using the Mindstorms Robotic Invension System 1.5 using native RCX Code. The rover uses an Ultrasonic Proximity sensor coupled to the RCX brick. The Ultrasonic Proximity
The primary problem when designing a sound sensor for a standard ADC input is to convert the amplified sinusoidal waveform into a corresponding stable DC voltage. This circuit here uses
A few years ago, I tried to build a wireless rover using a 40-pin ATMega32 Atmel Microcontroller and an old Nikko R/C Jeep. This was something of a continuation project
Last month, the Sinclair ZX Spectrum computer turned 25. The Guardian had a special tribute to this classic little home computer that “made a generation of younger people – and