I am finally getting around to trying this out. I was playing with just trying to see if i can get the pulses. First thing i did was take an old compass and put it beside the meter and had someone turn on the water. I could definitely see the compass needle pull a little as the water was flowing. So I assumed that pull was enough to be detectable with my hall effect sensor. I have tried a couple, and just can't seem to get it to pick up.
If i use a magnet, simple code will detect the pulse and the green led on the sensor lights up.
But no matter where I put that sensor near the meter it just doesn't seem to detect it. Not quite sure what's happening.
The meter i have is this one.
https://www.badgermeter.com/resources/add29b88-1ffb-49c9-80ab-bb8697bd6d1a/absolute digital encoder product data sheet ade-ds-00183-en.pdf/
Not sure if anyone has any recommendation on which hall effect sensor would be the best for this but ill take suggestions lol
My sensor I am testing with is
3144E Hall Effect Sensor
Doesn't have a sensitivity dial but the recommended one on this build page didn't either.
@canique no, the purpose of the node is to know when the door is locked by the bolt, not only closed. What you see are simply 2 battery springs and the bolt of the lock closes the contact.
I can move the node more upwards the door frame (and I will do it if the radio connection is still not reliable with the repeater).
In order to preserve domestic peace, I placed the nodes in the door frame, invisible when the door is closed: no visible dangling wires and no visible boxes.
Maybe an idea for a MK3 version of your board as wide as the RFM69HW
I would like to ask about the radio module connection - I am using SX1276 and I connect it the same way as described by @sundberg84 said in Connecting the Radio except I additionally connect also RST (NRESET) pin according to this https://github.com/sandeepmistry/arduino-LoRa/blob/master/README.md#semtech-sx1276777879-wiring
Is it necessary?
@joaoabs A realy usually has only 2 states, on and off. So I would use S-BINARY and V_STATUS every time.
A changeover realy also has 2 states so again I would go for binary and status.
Light_Level is more suited to getting light levels from a sensor or sending a light level to a dimmable light.
@tssk said in Building a MQTT Gateway:
@frits Cool! So you already had this?
no, not as a webserver. I only print some node information to Serial.
Webserver seems to work and not to interfere with mysensors core. My (MQTT-)Gateway doesn't act as a server, so there's only one listener. But multiple listeners (webserver on port 80 and Ethernet Gateway on port 5003 for example) should also be possible. I've not tested this though.