| Pressure sensor miniaturisation: How smaller sensors are enabling better healthcare In November, the Food and Drug Administration approved the first digital pill for use by US doctors. The pill includes not just a drug but also an electronic sensor. The device communicates with a patch worn by the patient to track whether they are on course with their treatment regimen.  This digital pill is just one example of the progress electronic sensor technology has made in miniaturisation. In the second installment of our pressure sensor series Alessandro Mastellari explores how manufacturers are developing smaller devices to meet non-invasive healthcare requirements. 
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