WeMos D1 (esp8266) manage relay and shield
To help fast prototyping I’m going to create a set of shield for WeMos D1 mini, the shield manage a 3.3v relay with configurable pins
Tagged: Relay
A relay is an electrically operated switch. It consists of input terminals for single or multiple control signals and a set of operating contact terminals. The switch may have any number of contacts in multiple contact forms, such as making contacts, breaking contacts, or combinations.
