I'm trying to connect my kid's BBC Microbit UART to a Nokia 6310i so I can use it to send an SMS as part of my caravan alarm system. The problem I have is that the MicroBIT works on 3v but the Nokia's ...

It turns out that if you run standard CMOS at 3.3 V, the logic levels are the same as TTL running at 5 V. In my previous column, we took a look at the 74HCT series of CMOS parts with TTL-compatible ...

The LS7082N1 CMOS quandrature clock converter is designed to interface between incremental encoders and counting devices by converting the encoder quadrature outputs into directional up/down clocks or ...