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Racket
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- John
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Because it is like using a wireless game controller on a deep submersible? Or every garage door opener nearby is gonna light you up? ?
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daczone
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- #48
Wondering why?
Power usage of 433 MHz devices is also relatively low and comparable to other dedicated home automation standards like Z-Wave or Zigbee. This makes 433MHz also suitable for battery-operated devices like wireless sensors or buttons. This technology is currently used in smart homes. Simple to use features like open/close the curtains, etc where a single button push is all you need. It is used in Car remotes, Garage door openers and yes 433Mhz is commonly used in China, or probably more accurate would be devices from China.
It's just pushing a button (UP/DOWN) not running the brains of anything.
Dean
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No doubt if you are smart you could work out encryption so there is no way that a garage door opener or something like that would interfere. I have played with 433mhz tx/rx with Arduinos/ESP32s to do so.
I would worry more about some external RF interference that swamps out the receiver, momentarily or for a period of time, such that you want to operate and you can't.
Just my opinion. One formulated with long experience with RFI issues.
I would worry more about some external RF interference that swamps out the receiver, momentarily or for a period of time, such that you want to operate and you can't.
Just my opinion. One formulated with long experience with RFI issues.
Last edited:
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daczone
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- #50
The working range is listed as 15 meters and it is noted that for short distance the antennas can be left off. They also list them having a unique ID address code. They have to be paired together. So... I'm going to give it a shot anyway. The transmitter (under the wheel) will work with 12V (3-24V range) but the receiver (at the shifter) is 3.3-5V. So I will throw a buck converter on it. The draw is just 10ma of current. Technically it could be run from a single 16650 cell for years!
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