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Particle Photon Relay Shield v3.1

The Particle Photon Relay Shield comes with four relay switches and a slot to place a Particle Photon. Relays are rated at a max of 220v @10amp.Relay max voltage: 250v AC relay max current: 10amp at 125v ac.

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Availability: IN STOCK

Tinkersphere

TS3539

$29.99

The Relay Shield allows you to take over the world, one electric appliance at a time. Want to control a lamp, fan, coffee machine, aquarium pumps or garden sprinklers? Then this is a solution for you!

The shield comes with four relays that are rated at a max of 220V @10Amp allowing you to control any electric appliance rated at under 2000 Watts. You are not just limited to an appliance though; any gadget that requires high voltage and/or a lot of current can be controlled with this shield.

We have even provided a small prototyping area around the shield for you to add more components or connectors. A temperature sensor to go along with your brewer, maybe?

  • The shield comes with four relay switches that are rated at a max of 220v @10amp
  • Note that you will need a DC adapter to power the relays
  • Operating voltage: 7 to 15v DC current consumption: 150ma min to 290ma (at 9v dc)
  • Relay max voltage: 250v AC relay max current: 10amp at 125v ac


IMPORTANT: This shield provides regulated power (5V) to the seated Particle device and relays. However, it does not support power to the devices controlled by the relays.

The schematic for the relay shield is simple and self explanatory. The shield has four relays that are controlled by pins D3, D4, D5 and D6 on the Particle device. Each relay is triggered via a NPN transistor that takes a control signal from the Particle device and switches the relay coil ON and OFF, which in turn makes or breaks the electrical contact on the output. There is also a fly-back diode connected across the coil to help protect the transistor from high voltage transients caused during switching.

NOTE: On the under side of the relay shield (top center), you will see 4 solder pads that are by default bridged via traces. You can scratch off the trace to disconnect the control pin from the preassigned ones (D3 to D6) and wire up based on your project requirement.

Schematics and Documentation: https://docs.particle.io/datasheets/accessories/legacy-accessories/#relay-shield

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