@jens-jensen said in [Solved] Device and gateway see each other, but not regestering:
@magpern glad to see you got it fixed, however I don't think wifi channel 11 interferes with channel 76, which is at 2476 MHz.
Maybe there are some other sources of interference on nrf channel 76 in your environment?
I don't know. Wifi channel 12 is in the channel 76 nrf rage though, maybe they bleed?
Except from getting a Mesh network and three pairs of bluetooth headphones there is nothing new.
@mfalkvidd said in What multimeter should i wish for?:
@magpern totally agree. Myplan is to work through this playlist so I learn how to use mine. https://www.youtube.com/playlist?list=PLwOVNTOStjiCmxCFX91MZYP7wL8dfy1tB
Today Iearned to save screen shots and csv files to a usb stick. No snow, but lots of rain today
Nice.. "a snowy day" is more realistic then a "rainy day", but I guess, a snowy day means playing with the kids in the snow.. rain they don't care for.. so I guess "a rainy day" is more realistic after all.
It was indeed a rainy day, so I got 3 of my sonoff up and running with mqtt and domoticz. Next is to try with home assistant. Still waiting for some aliexpress stuff to continue with my MySensors devices, but I guess that will be "some snowy day"
Maybe you want to check how stable signals are. Then you don't need a multimeter, you need an oscilloscope. Example: https://www.conrad.se/p/rigol-ds1054z-digitalt-oscilloskop-50-mhz-1392205
I have one... just don't know how to use it... too many buttons.... but I'll look in to that one snowy day
@mfalkvidd Thank you for you detailed reply. The question actually arose spontaneously. I said to my wife.. I know what I want as a present, a new better multimeter. Then she saw me write here, and started asking questions about what forum I wrote in (= she will look here to find the answer and buy it for me)
But, as you state.. what do I need it for? Measuring some kind of micro current is one thought. And measuring capacitors.
Will my current one work for me, most likely, it has for many years and 95% of the time it is to look for shorts. Do I need a new one..no.
I looked in your thread about the multimeters and I think the VC99 seams to be a good one. Price of 28 USD is very good too.
I'll look into the uCurrent too, that looks cool!
Today i have this cheap multimeter
Birthday is coming up... which much better should i wish for?
@stormy said in 
MySensors InCan double light switch:
No, a have no problems with sketch.
It looks like some problems with radio communication.
It was. I used the default channel and apparently it was too noicy. Changed to another channel and it worked fine!
Diodes are only for protection transistor from reverse voltage spikes. Diodes never should be even warm. Something is wrong. You can test this without diodes.
Somehow, when powered by 5V from the FTDI, the device got hot. The Hi-link maybe did not like to get power from the FTDI? The diodes got super hot, and so did the Hi-link. I removed the diodes and could continue. Today, I tried 230V. It didn't work, the thermo fuse was busted, probably from the overheating earlier.
I shorted the fuse (temporarily) and everything worked fine. Hi-link was still alive and supplied 5 Volts
And this brings me to my question...
What kind of range do you get with this device? And how accurate is it?
I tried 50 centimeters from the gateway and got a fairly decent hit rate on the on/off from domoticz.
I moved the device to about 3-4 meters, and maybe got 50% hit rate. It was almost line of sight.
If I toggle the on/off from Domotics, with 3 seconds apart, I got like 10% hit rate, maybe every 10th click toggled the relay.
Placing it inside a wall sounds like a "no go" if almost line of sight doesn't work 100%.
What is your experience?
@yveaux said in Ikea Molgan Hack:
@magpern the instructions on openhardware.io state that the Molgan must be battery powered while programming:
Well, then I can confirm that you don't have to power the Molgan from batteries just for programming. Burning the bootloader works fine with just power from the ISP port and programming it through FTDI works fine if power comes from the FTDI.
What I found wierd is that the atmega328 had power, the radio had power, it wrote debug messages to the FTDI - when powered through the FTDI, it send radio messages etc, but it just did not receive messages.
Messages where not received until I supplied power to the + / - pads (battery pads).
I did read the instructions on openhardware.io, but I didn't follow then to the t. 
@pepson said in [SOLVED] Sensbender Gateway gives a lot of "hu":
@magpern
But mysensors newer than 2.2.0 has problems with radio Rfm69hw.
That I don't know anything about. I don't have any Rfm69w for the moment, but I know I ran a rfm69 directly of a raspberry pi about 5 month ago ant that worked fine. And that was the development branch, so more than 2.2.0
@pepson said in Sensebender Gateway:
@magpern
But get this board to Arduino IDE?
Boards / Boards manager...
search for sensebender
You might have to
File / Preferences / Additional Board manager URLs
add
https://raw.githubusercontent.com/mysensors/ArduinoBoards/master/package_mysensors.org_index.json
I have finally finished the PCB of two Molgans (withou the actual Molgan). I spent several hours trying to figure out why the sensor did not register with Domoticz.
I had it plugged in to the FTDI which powered it, but nothing... device talked, gateway listened, but device ignored responses from gateway.
I just dealt with with problem on some other nodes, and it was the channel id that was inappropriate. But now I had the correct channel id, and still the same problem.
I checked for shorts, but nothing.
Measured the voltage. It says 3v3 on the FTDI but was actually 3v5. But that should be ok.
Finally I figured, power it through the + and - pads instead of FTDI. So, I set up a 3v3 power supply.. and voila.. it registered with the gateway.
I don't understand why, power is power... but apparently power is different.
So, for future builders, if you run this, you know what I did.
Need to head to IKEA and get some more Molgans!!
