1. W

    Three gang occupancy sensor available?

    California Title 24 requires occupancy sensor in bathroom. The existing box in a remodel is a three gang switch for light, fan, and fan mode (humidity control). I can't find an occupancy sensor that will work as a three gang switch. Are they available? If not, I'll have to open up the wall...
  2. P

    UK Sensor lighting

    Hi there! The light in our porch has no power running to it and we don’t wanna knacker up the ceiling and plaster to locate it. So my question is... Is there a device I can pop into my non-working light fighting that makes a bulb turn on which is linked to a sensor when someone comes into the...
  3. T

    Rechargeable, 3.6/7V Li-ions not working in roller-blind garage door sensor - why?

    Just got some Fenix 3.6V(and also tried some old Trustfire 3.7V's) instead of the installed, disposable Li-ion cells, thinking that they would work just as well in my parent's Crocodile garage door sensor. Both brands of rechargeable cells will only allow the door to partially open, about...
  4. Vortigern

    Recommendatins for PC sensor

    I have been looking at a lot of PC diode sensors and am unsure of what is reliable. Can anyone recommend a good one. I want to switch six LED light fitting external, 29w each I think.
  5. J

    Shower Flow Sensor + Extractor

    I'm thinking of installing a water flow sensor on the shower to control an extractor fan in the bathroom. I've attempted to draw a diagram of the wiring and I was wondering if anyone would mind having a quick look over it (and probably point out all of the mistakes I've made!). I feel a bit...
  6. S

    PIR sensor not switching lights on

    Hi sparks I am trying to fit a PIR sensor to a downstairs bathroom, replacing the existing pull cord As per the instructions I have wired the sensor. When switching the trip back on, the led bathroom lights (4 in total) illuminate, but are dimly lit (by about 50%). Leaving in this state, does...
  7. Chris Gardner

    Door Beam Sensor

    Need to add a door beam across a warehouse entrance with an audible sound when anyone enters / exits, anyone suggest any kit to achieve this in a simple way rather than a full on alarm system? Thanks
  8. T

    Nodular network of heating sensors/transponders?

    Theoretically, is it possible to utilise/connect to the sensor in a heater, even if the heater is not connected to a power source? Presumably, the sensor has some of antenna which would enable it to sense temperature outside of the circuitry. If so, is it possible to network these sensors with...
  9. L

    Crank no start issue

    I have a right hand drive 2002 nissan xtrail t30 replaced a cam and crank sensor still no start issue
  10. J

    Bypass Motion Sensor - Add Switch to Lights?

    Hi. I'm looking to add motion sensors to 2 or 3 floodlights. I want to be able to use a switch to bypass the sensors and leave the lights on. (Please note that I'm not interested in the ON-OFF-ON type of action.) As the attached diagram shows, I believe I'll have to run a black wire directly...
  11. P

    How to fix or disable a photoelectric sensor in an exterior light fixture?

    How to fix or disable a photoelectric sensor in an exterior light fixture? Mine is broken in porch so that the bulb light never turns on regardless if is night time, Thanks Source URL: DIY Electrical Forum -
  12. N

    Motion triggered battery powered dimmable COB LED light

    My view on life, in any field, is not to produce more but to consume less. Everybody told me this is a very eccentric weird mentality. Perhaps they are right. Nevertheless I have to build my project to make a highly efficient, extremely low drain, motion triggered 12V battery powered dimmable...
  13. T


    Hi guys, Im looking at fitting a floodlight in my back garden. It is a 30w LED with PIR sensor (bought from Toolstation). Ideally, I want the PIR to work incase of any intruders in my gardeb, but also I want to be able to leave it on permanently with switch operation. I therefore need help on...
  14. M

    LED light strip with motion sensor for bathroom mirror backlight

    Hi, We are doing a bathroom renovation and I can't find a light or a mirror with light that I like. I would like to buy a simple mirror that suits the style I am going for with a wooden frame, and then mount that mirror on a MDF background slight smaller than the mirror. I would like that MDf...
  15. A

    Problem with sensor no reason out signal when power on

    I have photoelectric sensor (6-36 V), PNP, NO+NC and when I power it for first time, it generate output signal with no reason (there is no object to detected) What is the reason for this and how to deal with this problem?
  16. M

    Wiring for Garage Door Safety Sensor

    Hello. New to the forum and hoping there is help for my issue. The receiving sensor on my garage door recently crapped out. I watched a few youtube videos and it all looked easy. In the videos there was always 1 wire in each side of the garage door. It was a matter of (1) connecting the white...
  17. B

    Replacing underfloor heating stat with no floor sensor.

    Hi, I've not really got involved in underfloor heating before, but a customer asked me to replace her OJ Microline manual stat for her bedroom heating which had packed up with a replacement generic version she got from Amazon. I assumed it'd be a straight swap so said yes and wired it up, the...
  18. L

    Switching maintained emg lights

    How do i go about wiring maintained emgs that switch on with lighting controlled by a sensor ? There will also be a test kit.
  19. X

    Does anyone know where i could get a led strip light set up that is powered by a force sensitive resistor/weight sensor?

    Ultimately for my project im making a lamp which will be powered by the weight of an object. So i want to power the whole led strip lighting solely through placing an object on the weight sensor pad. If anyone knows where i could buy a setup like this or how i could go about making it myself...
  20. V

    Series parallel motor starter with auto off proximity sensor

    Hi All A while ago a customer asked us to move a 1970s single phase corn mill and return it to use. It had an old series parallel starter with a lever on it ..which we replaced with a crompton controls series 3000 starter...all good and running. Now they had another ip rated box attached to...
  21. R

    New PIR sensor problems

    Hi I have 2 lights on my gateposts operated by a single PIR. The PIR has failed so I have tried to replace it myself (with this one 180° PIR Sensor Black - but now only one of the lights will come on. I have taken a photo of the before and...
  22. T

    LED Lighting with PIR Sensor

    We are installing LED 180W High Bay lights. Most areas have 2, there is 1 with 3 and 1 with 4 so most are 360W, 1 is 540W and 1 is 720W. The PIR sensor we got said it could switch 2300W but after opening the box, it says max LED load is 100W. Why is this? Will the PIS be okay or will we need to...
  23. E

    Wiring this IR sensor

    Just been to a job where the client has an electric mirror but the IR sensor has never worked (whoever installed it just wired it to turn on and off with the light switch) so i took it apart and it turns out the IR part of the circuit hasnt even been connected (came from the shop like this) what...
  24. Dan

    Awesome Neosmart (Ring Killer) 12 Second Clips for Free - Night Vision, Phone Alerts, Free Recordings, Motion Sensor Camera for £20!!!

    I have had a bunch of camera, I'm trying to find a camera I can leave and it alerts me when it's found somebody. I don't want DVRs and cables running everywhere, so Wifi (and strong connection) was a must. Three years into my researching and testing and moving cameras around on the outside of...
  25. S

    PIR sensor wiring

    Hello gents. First time posting here and need some help. I have two bathroom and I want to instal one in line extractor fan to service the bath room connected to the lights and PIR sensor in a way that if you go to bathroom one only lights for that bath room comes on not the other but the...
  26. Toni from AT

    Turn light automatically on through vibration sensor

    Hi, Being a firefighter I have got a pager which vibrates. I’d like to turn on a light automatically through a vibration sensor when it detects vibration (the pager vibrates when alarmed). The light should turn off after some time and it should be also possible to use the light normally (switch...
  27. M

    Can I add a motion sensor

    Hi In my hallway I have several led floor lights that are plugged into a wall socket Can I add a motion sensor so that they switch on when I walk into the hallway Thanks for any help
  28. D

    Photoelectric Cell Sensor Light Switch

    I'm looking for a photoelectric cell solution for two way light switching at the top of a ground floor staircase that descends to a basement. As the staircase enclosure is a feature in itself (open, oak bird cage effect) there is no option to attach a conventional switch anywhere. We've wired...
  29. D

    Crank and cam sensor advice

    Hi just wondering if anyone could help me out i am stumped.I need to know if anyone can figure away around my cam and crank sensor's wiring.I basically have a bigger engine conversion in my car and have high voltage to cam sensor plugged in car will cut out unplugged i am getting high voltage.i...
  30. J

    coolant temp sensor > is polarity important?

    Does it matter which way you connect the 2 wires to an engine's coolant temperature sensor? Does the thermistor inside the sensor have polarity? I do not know the pinouts on the car's temperature sensor and I do not want to risk damaging the car's computer. Thanks in advance.
  31. C

    Water level sensor

    Anyone know who supplies these,thanks
  32. G

    Strange problem with PIR/motion sensor switch

    Hi, I have an odd problem with a motion sensor switch in a bathroom. The sensor detects motion and switches the light on, but then doesn't switch the light off. However, when I switch the fuse off and then on again at the fusebox, it resets the motion sensor, which works fine, but only once -...
  33. K

    Domestic Shower fan/light sensor

    Morning all, I am working on a bathroom at the moment and the client has asked if the shower fan/light unit can be wired into a sensor instead of a pullcord switch (to activate fan when someone steps into the shower), I wondered if anyone has done any work like this before ?. Apart from...
  34. G

    Replacing a motion sensor light switch with five terminals??

    Hi, hoping someone can help with this. I have a bathroom light switch that's a ceiling mounted motion sensor. It's malfunctioning so I bought a replacement, but I've hit a snag. The existing switch has five terminals, all of which have wires going into them (see photo): green&yellow, grey...
  35. D

    Domestic Pyronix door sensor help

    Hi guys, hoping for a bit of help. I just installed a Pyronix Enforcer 10 alarm system. I've installed a contact sensor on the front door. I thought I had configured it correctly: the panel has learned it and then I've set it to '7' i.e., "last exit". Problem is that it works fine on exit, but...
  36. B

    Pir motion sensor correct type

    Hi I have a fluorescent light fitting for a suspended ceiling (600 mm x 600 mm) it is wired to a 240 volt supply I was thinking of introducing a pir motion sensor, so as to cut my electricity bills etc I would like a sensor to have the following features: 1. 360 degrees 2. 240v 3...
  37. M

    Sensor problem on led floods

    Hi new onn here Has anyone had problems with sensors. exterior ones .on led floodlights. I've had a few now sticking onn after a couple of months Only switching 50 watt or smaller floods . Usual story with supplier . Only me. Thanks
  38. M

    Domestic 2 Way Motion sensor switch

    Firstly Hello Electricians Forums!!! MY first experience here. I am currently in the process of updating a recently bought new home. The house is 15 years old so fairly modern. I have a current setup whereby I have changed the light fitting in a small lobby area. The light is an integrated LED...
  39. G

    Motion sensor light dimming

    First post, just looking for some advice if possible please. I have a customer that would like their driveway lights to be operated by a PIR motion sensor. The lights are to fade up to maximum brightness, stay on for a predetermined amount of time and then fade to off. Does anyone know of a...
  40. B

    Replacing pull switch with PIR Motion Sensor

    Hi, I am trying to replace a pull switch with a PIR Motion Sensor in a cupboard/wardrobe, but it does not seem to be working. The pull switch is connected to a cable from the ceiling, where both wires coming from the cable are brown. I this normal? I thought that it would just be a case of...
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