Analog Devices has released a reference design for a smoke alarm that meets UL 217 8th edition, along with an arduino-compatible evaluation kit. Built around the recently released ADPD188BI optical ...

As a biomedical equipment technician [Adam Outler] equipment needs to be in top working condition. The emergency room staff were complaining about erroneous noise on the electrocardiogram and it’s his ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...