If you need to drive a big screen for a project, it’s fair to say your first thought isn’t going to be to use the ATtiny85. With just 512 bytes of RAM and 8 kilobytes of flash memory, the 8-bit micro ...

Stick-type pressure gauges resemble a ballpoint pen are simple and compact, and don't need batteries. Pressure is read off of a sliding scale proportional to the air pressure. Digital gauges have an ...

Spending the Christmas holidays glued to screens may be doing children more harm than parents realise, according to a public health expert who says cold weather should not be a barrier to healthier ...

This is an RF power meter I built to help measure amplifiers for a QO-100 transciever project. The AD8317 has a linear output for -35dBm up to about -5dBm, which is fed in to the analog input of a ...

According to DSMR, every smart electricity meter needs to have a P1 port. This is a 6p6c socket (commonly, but incorrectly referred to as RJ11 or RJ12). Telephone plugs will fit, provided that you ...

Abstract: Photoplethysmography (PPG) is a commonly used non-invasive biological signal detection technique that can analyze the heart rate and blood oxygen saturation, which plays an important role in ...