Learn how to create a simple DIY LED notification light for your smartphone by repurposing an old earphone jack and an LED ...

An optocoupler tester is a small device that helps verify whether an optocoupler is functioning properly or has failed. In labs and repair work, optocouplers often fail without clear signs. They may ...

Peterson Genesis targets the LED diode-count debate, aiming to reduce lighting uncertainty, inspection risk and downtime for fleets.

CMU researchers paired acoustic resonance sensors with machine learning to create a controller that is easier to manipulate than traditional models and could help people with limited fine-motor skills ...