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Is POWER = OFF the intended result when motion is detected? Or is there some further configuration to the type of switch required to make this work more reliably.
And on another identical device wi…
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Hi,
i used a plugin from "homebridge-hc-sr501" and customiced it for me.
I want to activate an motionSensor when a pin is detecting something and and deactivate when another pin detect somethi…
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Although specified as requiring at least 5V it is possible to run them at 3.3V without any problems as per http://techgurka.blogspot.com.au/2013/05/cheap-pyroelectric-infrared-pir-motion.html
Publi…
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When I am using the WiFi.setOutputPower function it seems not to work, even with a setting of 0DBm my nodemcu 1.0 board works normally.
I am not a programmer, but could it be that the f in the calcul…
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can Gpio switch not direct perform relay action and publish status to MQTT?
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Thanks again for your code.
Is it possible to integrate a HC-SR501 Human Infrared PIR Motion Sensor Detector for GPIO14.
The idea is to switch for example a lamp on if motion is dedected.
Thanks in…
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Hi,
I am connecting a `HC-SR501` to my sonoff. However I wish to send the state only via MQTT so that my external server can decide what to do. e.g. it makes no sense to power on lights during the …
Nayar updated
7 years ago
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I've got two SR-HC501's facing in opposite directions and connected to GPIO2 and GPIO14 and powered by 5v going nuts and I can't figure out what the hell is going on. I don't have this problem on othe…
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I know you have answered this before but I cannot figure it out.
I want to use GPIO14 with a switch. I want to know if the switch is open or closed (1 … 0). I do not want the switch to control the r…
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I've got a SR04 ultrasonic sensor.. I could try the code if someone does it....
The idea would be, have the screen off except if it senses someone in front?