433MHz RF Module range improvement: antenna

DIY antenna to improve the range of your generic UCEC XY-MK-5V / XY-FST 433Mhz RF Transmitter and Receiver Module
Antenna instructions:
www.instructables.com/id/433-...
www.amazon.com/gp/product/B01...

[@skunkjobb]

I just made two pairs of antennas (RF plus ground) for a couple of door openers. I haven't tried any alternative configurations or tuning but they made a huge difference compared to the almost non existing original antennas. The range has increased 4-5 times.

[@qnaman]

Thank you ! it was very useful video.

[@argilaga]

I just published an Arduino radio communication project using these antennas if you are interested: th-cam.com/video/6bEBwqoidms/w-d-xo.html

[@electroninjection183]

Helpful video! Do you know the diameter of the coils? Oh wait. I just read the Instructable you linked to and it suggests wrapping the coil around a 2.5mm object. Thank you.

[@argilaga]

Thanks for the comment! 2.5 mm diameter core for the coils. Good luck!

[@mcnamarawilliam]

very good. thanks for sharing!

[@argilaga]

You are welcome!

[@CubeDomination]

Very useful thank you!

[@argilaga]

You are welcome!

[@delishthomasmathew5101]

Good video bro... Direct sight and with walls can you tell how much range you got? And which meterial you used for that just copper wire?

[@argilaga]

Thanks! I used the modules in a project, I got about 30m or a bit less depending on EM noise from neighbors. I changed the antennas you see in this video to new ones made with single core copper wire (the old ones were multicore aluminum hairs), not sure if they are better but they look more neat. Video here still with the old antennas: th-cam.com/video/6bEBwqoidms/w-d-xo.html

[@delishthomasmathew5101]

@@argilaga oke bro thanks, and subscribed. I like ur 📹video.

[@anokhautomation4453]

Useful information 🙏🙏👍

[@andresflores9557]

Hola, buen video que usaste para envolver las antenas? Gracias

[@argilaga]

Hola, gracias! es cinta adhesiva corriente y moliente, celo

[@markj.9177]

You covered up where we solder the antenna.

[@argilaga]

Well, it is labeled as "ANT" in the pcb

[@iSp3ctRuM]

hi, how did you fix your antenna on the transmitter? I have the antenna separately and I don't know how to do it

[@argilaga]

You need to find a hole in the PCB with the label 'ANT' then you solder the antena in it. That's it

[@iSp3ctRuM]

@@argilaga is there any way it can work without it being soldered on

[@argilaga]

@@iSp3ctRuM if the contact between electric conductors is good it could work. Try with a clip or sth that makes pressure between the two parts

[@paulofloresjunior]

Hi Great video!! Hello, anyone knows if its possible to use this 433Mhz receiver to receive commands from Key Garage transmitter?

[@bman2827]

It's hard to know unless you try. Given that the components are so cheap it's worth a try. I have a 433Mhz receiver connected to an Arduino Mega which talks to Home assistant via RFLink and it works great. You can debug the communication via programs like Minicom to see what codes you receive and then use those codes in your config to do what you need.

[@argilaga]

Hello, thanks for the comment! I tried with my garage key transmitter using a code to receive many kinds of signals and it does not work. I guess the garage transmitter uses a more advanced protocol even if it also works in the 433 band.

[@paulofloresjunior]

@@argilaga Hi I was able to receive the commands from my garage key transmitter using a pcb like yours and rc-switch library. Now I trying to receive commands from presence sensor and open door sensor to make a home security alarm. Thanks!

[@PabloPazosGutierrez]

muestra como funciona, el rango, etc.

[@argilaga]

Lo siento, en la actualidad vivo en un pais donde la legislacion prohibe el uso de radiofrecuencias sin autorizacion. Y el uso de acentos.

[@jianliu8806]

my plants!!

[@argilaga]

One of the plants tried to eat my antennas.

[@diegodeganis]

Can I get 100 meters with this antena?

[@argilaga]

In a urban environment with a lot of RF noise no. In the country side maybe yes? I get 20 meters across walls in a RF noisy environment

[@diegodeganis]

@@argilaga ok thanks

[@charlesmurphy1510]

You did not show how to build the antenna.

[@argilaga]

Oh, sorry. Just check the link in the details of the video

[@vigneshg3855]

hi sir in 433mhz rf can we use range for 300- 500 mtr

[@argilaga]

In normal conditions no, range is below 50m with my setup. But if you had an ultra high gain receiver, clear line of sight and a clean RF environment maybe yes??? For those ranges check LoRa and other radio technologies

[@vigneshg3855]

@@argilaga can you suggest me a good UHG receiver sir

[@argilaga]

@@vigneshg3855 I do not have enough knowledge about UHGs to give you an advice, you can try to ask to the TH-cam user Andreas Spiess