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MOD-D1S-RLY
This relay shield is designed to be used with the WeMos mini & mini Pro ESP8266 based development boards. Adding this shield to your WeMos mini development board provides it with the ability to switch high voltage, or high power devices from a single digital pin. Included with the shield is a set of header pins which can be optionally fitted (soldering required) to allow for the shield to be easily inserted and removed from the D1 mini.