irz | control aircon in my dorm with RaspberryPi and IR sender
kandi X-RAY | irz Summary
kandi X-RAY | irz Summary
Control my dormitory's air conditioner with RaspberryPi and IR sender. The aircon is an unknown type from Haier. May not be able to apply to your aircon. For details on this project, please visit this post on my blog (Chinese only). I will probably not update this project in the future. Using smart IoT devices like Xiaomi Mijia AC Controller is much better if you want to control your air conditioner remotely. This is just a practice project which leads me to learn full-stack development.
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QUESTION
I have a gsm modem called iRZ. I use it for CSD call(getting meterage from meter). I call to meter like this: ATDpho0ne_number Then I exchange data. And finally I need to terminate this call, but how?
I tried: "+++" next "ATH", and "ATH0". But it doesn't work... Help, please...
...ANSWER
Answered 2019-Nov-23 at 20:02You did not specify the exact modem type so I tell you two options.
Option 1:
The +++ character sequence must be preceded and followed by a pause of at least 1000 ms. The +++ characters must be entered in quick succession, all within 1000 ms.
Option 2:
You have to set up a "code word" by ATM Control utility and that code word will switch back the modem to AT mode and then you can issue the ATH command.
QUESTION
In our SMS server we have an old GSM modem(Siemens iRZ ES75iT) connected by COM port. We have a python script which allows to send SMS messages. Here is the code of sms sender function:
...ANSWER
Answered 2018-Mar-24 at 09:57This is an issue related to at command echo, every time you send an AT command it is echoed on serial. We have python scripts for sending sms. what we normally do is disable the echo before sending any AT command. send this command
ser.write('ATE0\r')
This command will turn off the echo
before sending
ser.write('AT')
Hope this helps
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