The GRV-CSERI-4 serial module from Opto 22 add RS-232C and RS-485 serial communications to the EPIC system. The module plugs into a groov EPIC chassis alongside the company’s new groov Edge ...

This post is in response to a reader who asked about detecting mains electricity using a microcontroller. The easiest and safest way to detect mains electricity using a microcontroller is with an ...