I gave some remarks on the code, which were processed.
If there is a feeling that adding the HeatIndex complicates the example, maybe this example should be a separate file, named "DhtHeatIndexSensor"?

OK, I understand.
My confusion was caused by the second sentence at https://www.mysensors.org/hardware/micro : "... it operates at 1Mhz ..."
That's a mistake then?

I gave some remarks on the code, which were processed.
If there is a feeling that adding the HeatIndex complicates the example, maybe this example should be a separate file, named "DhtHeatIndexSensor"?

@thierryd Nice idea.

Two remarks:

You write in the cpp file:

if (BatteryType == 2) {
/* LiPo voltage ...

You probably mean here "AA voltage"

The AA batteries you talk about are Alkaline (not rechargeable)?
The values are different for NiMH rechargeable (which I always use).

@gohan yes it confuses me too. I have a similar situation where my node with 2 sensors is recognized by Domoticz as 3 devices like: Temp, Hum, Temp+Hum.

Apparently Domoticz is able to recognize that the different sensors belong together, but sometimes, there is a disturbance or bad reception in one sensor message, and then Domoticz creates a new device for it.

That would not be such a problem, except that you do not know which device to show on the Domoticz dashboard. Personally, I choose the combined one, ignore the others, and live with it.

I do not know if this is a bug for the Domoticz people, maybe they can resolve this?

Regards, Michiel

Oh, I just remembered, a 4051 contains a 1-of-8 multiplexer, and is cheap.
Look also at the 4052 which contains two 1-of-4 multiplexers.
Search on ebay for: 4051 DIP

I would use a 4067 IC for the analog voltage, and probably a second 4067 to switch the power. Then you will only need one analog line of the Arduino, and a few digital lines.
See http://assets.nexperia.com/documents/data-sheet/HEF4067B.pdf
The 4067 is one of the 4000 series CMOS chips, which work with 3V to 15V power supply. It contains a 1-of-16 multiplexer of analog switches. For a smaller number of analog switches, you could use 4016 or 4066.

Please check if you are not having resets in your gateway due to this:

https://forum.mysensors.org/topic/4462/gatewayw5100-unable-to-get-working-w-v2-0-0

https://forum.mysensors.org/topic/4680/mysensors-2-0-ethernet-gateway-atmega-w5100-restart-all-time/6

Regards,
Michiel

@meddie : Sure, I can:

The following is an extract from the code shown at https://www.mysensors.org/view/1/Sensebender-Micro, from the "loop()" function:

#ifndef MY_OTA_FIRMWARE_FEATURE
  if ((measureCount == 5) && highfreq) 
  {
    clock_prescale_set(clock_div_8); // Switch to 1Mhz for the reminder of the sketch, save power.
    highfreq = false;
  } 
#endif

If you remove these lines, it will stay on 8MHz.
(I did not test this but I am quite sure)

@tbowmo : The code to switch the frequency back to 1MHz is still there at https://www.mysensors.org/view/1/Sensebender-Micro.
Should it be removed?

Please check if you are not having resets in your gateway due to this:

https://forum.mysensors.org/topic/4462/gatewayw5100-unable-to-get-working-w-v2-0-0

https://forum.mysensors.org/topic/4680/mysensors-2-0-ethernet-gateway-atmega-w5100-restart-all-time/6

Regards,
Michiel

OK, I understand.
My confusion was caused by the second sentence at https://www.mysensors.org/hardware/micro : "... it operates at 1Mhz ..."
That's a mistake then?