These are nice, easy to use isolated relay modules containing two, single pole double throw 5 volt Relays.  Easy to use with Espruino.

  • Rated 10A 250VAC or 10A 30VDC
  • Opto-isolated relay input, configurable for 3.3v or 5v drive
  • Each Relay has Normally Closed and Normally Open outputs
  • Screw terminals for relay outputs

Full details at

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Double Relay Module (5v)

  • Product Code: RELAYMODULE2_5V
  • Availability: Out Of Stock
  • £4.80

  • Ex Tax: £4.00