In need of a waveform generator for another project, [David Cook] crammed out the old turntable to modify it for a handy hack: By adding a simple reflectance sensor to the pickup he turned it into a ...

Contrary to what's been considered the gospel for years about nitrogen rate recommendations, Purdue University agronomists believe that the optimum nitrogen rate is strongly related to the soils' ...

Infrared line tracker modules hardly need an in-depth explanation as they’re very familiar to most electronics and robotics hobbyists. In this post I’ll discuss a popular and cheap infrared line ...