General Purpose Relay Boards (Optical)

Our standard relay boards by which we mean the ‘general purpose ones’ that are traditionally used to switch domestic voltage or other power sources at up to around 10 amps. These ones are optically isolated and in our particular designs can be used with either positive and/or negative switched applications meaning they are compatible with both older and newer devices. These can be used with modern arduino, Raspberry Pi and various other devices.

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