Environmental and health monitoring requires low-cost, high-performance diethylamine (DEA) sensors. Materials based on metal–organic frameworks (MOFs) can detect hazardous gases due to their large ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “ DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to ...