Page 1. Page 2. The HR Rondostat. Is an electronic radiator control. It allows the user to precisely control the temperature in a room and introduces automatic running set . Honeywell HR is an electronic programmable thermostat made by Honeywell HRE (it is generally the same as HR), Honeywell.

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Each client will have honeywelp register with the server. Most probaly is that SW not count one pulse add one false pulse when motor stop and run back later.

It must be improved. Got first PCBs and will try getting these to work during the next time. The PCB size is about 20mm x 30mm x 3mm. User must make another request. I was looking for an alternative and found a way honyewell control my HR20 by my iPhone. But I’ve also found some minor problems: What is the easiest way to connect to pc?

From feedback I know, that it is not perfect for tondostat.

Bug on motor calibration is on “manual callibration”. Keysize does not affect packetsize. Question about the Config-Menue: On worst situation after movements you will have impulses error on position but it is not probbaly win in lotery it absolute sure compare to this: NET, it is the fastest way for me with acceptable effort rondoztat get a complex program although it is still a lot of work.

The other question was whether the wireless version will use its own stored in the HR20! I want to have log file from 10 hours or more integration of controller error hr-220e slow Jiri. To correct problems like this or workon them, I first have to understand the code and function of the controller better.



HI all, i have some questions. It would be good to have an algorithm, which adopts automatically to some parameter and may be honewyell predict the temperature which will be reached on a valve setting. It seems to be waiting for a master command to set a new value? Propably tomorrow I can send you a log file. But Jiri might be right, that long wires can be a problem for the signal edges although the overall speed can be as slow as wished. At this moment I have new valve position measurement. Hope you can live with honegwell point of view.

Strange thing is that this behavior is very similar to what I experienced with my very old HR20s from time to time. Do you have an idea how this can be solved? I do only have to copy the new Layout into my code, the rest is don’t automatically per reflection mechanism.

It’s very basic, just for my needs, but if there is interest, I will extend it. I plan to add a check for all entries and I would like to use masked text, but here MS made it not very easy to have a nice implementation.

It is near ti impossible reconnect buttons to other pins.


For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab. Maybe the have to be updated in future. Thats to cold for me. It make it incompatible with simple wireless listening and loging. For a better understanding watch: This amount is subject to change until you make payment. See to my comments from Have to dig deeper into that code first or wait for your solution: It would enable full communication as HR I want to correct the actual valve position only by driving the goneywell to the real open position until the motor stops.


Hello, here is the problem on Version again: It is quite possible to get subus timing accuracy, or even better with a simple device like AVR, for example, the heart-beat proceding can totally be done in the ISP.

The temperature can be set in the eeprom block temperaturebut it is not a nice way because of honeywel, required calculation of the necessary value. No additional import charges on delivery.

Although it meight be a bit less complex than to cut a strip on the board and rearange a connection, still some wouldn’t be able to do neither of both. Learn More – opens in a new window or tab.

OpenHR 20 Tutorial: Part 0 – Introduction | piontec’s mumble

I thing that your tool in SVN will be welcome. Thanks for dondostat report! After step 4 we can go back to 2. This item will be shipped through the Global Shipping Program and includes international tracking.

Cipher on RX and TX side must by synchronized otherwise is not possible to decrypt data.