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DOUBLE PIR RELAY TIMER

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DOUBLE PIR RELAY TIMER

UK built circuit to open a relay for 5-75 seconds after one or both of two 12V DC PIR sensors detect motion

Buy of DOUBLE PIR RELAY TIMER.
(1-5: £13.99 each, 5+: £13.49 each)


DOUBLE PIR RELAY TIMER. UK built circuit to open a relay for 5-75 seconds after one or both of two 12V DC PIR sensors detect motion

Additional Information

This circuit is designed for use with TWO 12V DC Honeywell IS-215T passive infrared motion sensors (for sale in the REUK Shop). It is handbuilt in the UK using top quality electronic components and it has been designed to be very easy to use.

If you intend to use just one PIR sensor in your circuit, please click here to view details of our standard single PIR Relay Timer.

Connection Diagram


Connection diagram for double PIR sensor relay circuit

Above is a schematic diagram showing the connections which must be made when using this circuit. It look a lot more complicated than it really is!

When one or both of the PIR sensors in the circuit detect motion, the relay on the circuit board will be energised. This closes its internal switch and therefore allows current to flow to your low-voltage security lighting or other devices (<10 Amps total load). For a user-programmable interval of 5 to 75 seconds after motion was last detected, current will continue to flow before being automatically shut off.

Setting the Time Delay (5-75 seconds)

For details on setting the time delay interval, click here to read the instructions for use of our standard single PIR Relay Timer.

Related REUK.co.uk Articles

Find out how to connect up two or more PIR sensors to one relay board or microcontroller input
Connecting more than one PIR sensors in a circuit
PIR sensor circuits ideal for use within renewable energy applications
Find out how to integrate PIR (passive infra red) sensors into renewable energy applications




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Page Last Updated on 15th September 2014 at 11:26:28am