Experts, Learning and Guidance

Ask an Expert Forum need help knowing if this motion sensor will work with this board

Join Experts, Learning and Guidance to participate - click to join for free!

Actions

Forum Thread Details

State Not Answered
Replies 2 replies
Subscribers 302 subscribers
Views 286 views
Users 0 members are here

Related

See a helpful answer?

Be sure to click 'more' and select 'suggest as answer'!

If you're the thread creator, be sure to click 'more' then 'Verify as Answer'!

need help knowing if this motion sensor will work with this board

Former Member over 11 years ago

hi i want to know if a PIR Motion Sensor Module would be able to work wit a light o rama InputPup

links to the parts will be below and i would appreciate if someone could help me as i am new to this stuff and want to

make sure i don't have any problems

light o rama inputpup http://www1.lightorama.com/inputpup/

pir motion sensor module https://learn.adafruit.com/pir-passive-infrared-proximity-motion-sensor/overview

hope to get a respons soon

Parents

0 dougw over 11 years ago

Hi Rian,
It looks like the PIR goes high (3V) when it is triggered but the InputPup expects a switch to ground (low) trigger.
To invert the PIR signal you could connect an open drain FET transistor to the PIR. A BS270 or VN2222 should switch fine with 3V.
Doug
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel

Reply

0 dougw over 11 years ago

Hi Rian,
It looks like the PIR goes high (3V) when it is triggered but the InputPup expects a switch to ground (low) trigger.
To invert the PIR signal you could connect an open drain FET transistor to the PIR. A BS270 or VN2222 should switch fine with 3V.
Doug
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel

Children

0 Former Member over 11 years ago in reply to dougw

thanks heaps
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel