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433Mhz Transmitter Wireless Remote Control Switch 6V 4CH Channel
US$6.66

Q: Se compro molti transmitter è sicuro che abbiano tutti un codice diverso?

Asked by mvallero on 2020-11-04 09:30:01

Antonio-G no

2020-11-04 09:49:18 Helpful (0)
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Answers (1)
mvallero 19/06/2018
I ordered 12 adapters and once received I tested them all. They seem quite good and the output voltage of 12Vdc is fairly precise but I could not verify if they really can supply the current of 1 A since my need is max 300 mA. The cable is not 120 cm but only about 60 cm including the plug. One of the 12 adapters was not working at all: I contacted the Banggood customer service who immediately sent me another one. I am very satisfied with the purchase and I find the quality/price very affordable.
DC 12V 1A AC 100-240V Adapter Power Supply EU Plug For LED Strip
US$4.61 US$10.99
2
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mvallero 16/05/2018
Ottimo telecomando, fornito già di batterie, a un prezzo davvero irrisorio. La costruzione appare abbastanza robusta e l'aspetto è gradevole. Funziona solo sulla centralina ricevente Geekcreit® 12V 4CH Canale 433Mhz Wireless in quanto specificamente concepito per questa. Programmazione immediata e assiolutamente facile.
433Mhz Transmitter Wireless Remote Control Switch 6V 4CH Channel
US$6.66
0
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mvallero 16/05/2018
Centralina a 4 canali (1 relè a uno scambio per ogni canale) sulla frequenza dei 433MHz, molto utile e funzionale, utilizzabile per qualunque necessità di attivazione di devices elettrici entro un range utile dichiarato fino a 100m in assenza di ostacoli. Provata da me fino a circa 50 metri all'aperto e dentro casa tra due stanze diametralmente opposte e separate da diversi tramezzi, distanti tra loro di circa 15 metri: funziona perfettamente in entrmbi i casi. Rapporto qualità prezzo ottimo. Assolutamente consigliabile. Vengono inclusi nel prezzo 2 telecomandi ma ne possono essere acquistati e registrati altri a un costo minimo. Tramite un jumper si può impostare la commutazione dei relè (purché tutti e 4 nella stessa modalità) in modalità stabile o bistabile agendo sul medesimo pulsante, o stabile con attivazione cliccando su un pulsante e disattivazione cliccando su uno dei restanti.
Geekcreit® 12V 4CH Channel 433Mhz Wireless Remote Control Switch With 2 Transmitter
US$9.99 US$29.00
0
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mvallero 05/05/2018
Very nice and small devices, and very useful: It works very very well and with a long range over my garden.
SONOFF® RF Bridge WIFI 433 MHz Replacement Smart Home Automation Universal Switch
US$14.42 US$20.99
0
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mvallero 05/05/2018
I bought other 2 devices after having tested the first 2 I got last weeks: they works great and I can check local temperature and humidity from remote in my holyday house, and manage the home heating system adjusting it easily both automatically or manually.
SONOFF® TH16 DIY 16A 3500W Smart Home WIFI Wireless Temperature Humidity Thermostat Module APP Remote Control Switch Socket With AM2301 Temperature And Humidity Sensor
US$16.05 US$23.99
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mvallero 24/01/2018
I have not tried these coupled bits yet, but keeping them in my hands I can appreciate their perfect sharpness and I also get a feeling of precision in the cut and great solidity.
Drillpro RB22 2Pcs Tongue & Groove Router Bit Set 1/4 Inch Shank 3 Teeth T-shape Wood Milling Cutter
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mvallero 24/01/2018
I purchased these hot air nozzles for my Soldering Station Atten 8586D, whose hot air gun for desoldering and reworking comes with just three nozzles of different sizes. The kit that I purchased includes 10 nozzles of various sizes that allow to circumscribe the flow of hot air, adapting it to numerous work situations. Unlike the original nozzles supplied, (Photo1) which fit directly on the bottleneck (bayonet mount) at the end of the air outlet (Photo2), those ones I purchased have a band at the bottom that can be tightened with a screw around the aforementioned bottleneck. Fixing is so perfect. The only drawback is that on my hot air gun the bottleneck on which the clamp is tightened is as high as the latter, therefore entirely inserting the nozzle connection on the bottleneck, the edge of the nozzle does not touch the whole circumference of the air outlet (Photo3) and then a bit of hot air escapes not only from the tip of the nozzle but also from the slot its base, however the loss is very minimal, much less than you might think looking at the opening, and does not give any problem. Apart from this the nozzles are excellently made and well finished. Apart from this the nozzles are excellently made and well finished.
10pcs 3/4/5/6/7/8/10/12mm Heat Gun Nozzles Heat Air Guns Nozzle for 850 Hot Air Soldering Station
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mvallero 24/01/2018
I have started to test the devices as soon as it arrived. I had no problem to connect it to my router following the guide I found online on the Itead site (a little more clear than the one attached in the box) and it worked immediatily with my Ewelink app. I tried both the power supply, 220Vac and 5-24Vdc (I used 12 Vdc) and I did not notice any difference. I have not found very useful for my needs the possibility to control the 4 channels alternately (by activating one the other 3 are excluded) while I found very functional to control them independently of each other, deciding for everyone whether to set it in stable switch mode or in momentary button mode, with the possibility to select the contact duration from 250ms to 4 seconds. I've been trying this Sonoff 4 Channel Pro for about two weeks now and I'm sure it's a great product.
SONOFF® 4CH Pro 10A 2200W 2.4Ghz 433MHz RF Inching/Self-Locking/Interlock Smart Home WIFI Wireless Switch APP Remote Control AC 90V-250V / 5-24V DC Din Rail Mounting Home Automation Module
US$23.99 US$37.17
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mvallero 24/01/2018
I bought this device to be able to remotely control the heating of my house outside the city, in the mountains: up to now, every time in the winter I decided to spend there a weekend I had to call the neighbors to ask to kindly turn on the heater system in advance but obviously in the time for them more comfortable, and often on arrival I could not find the house at the ideal temperature. With the Sonoff TH 16, to which I have associated the Sonoff AM2301 temperature and humidity sensor, I think I have solved the problem. Through the Ewelink app I can now not only turn the system on or off from any distance and with the advance that I prefer, but I also have the possibility of an automatic thermostatic control of temperature and humidity and I can monitor visually at any time these two factors. After testing the appliance for a few days, I installed it in the house in the mountains last week, so when I returned home I was able to check its efficiency and functionality. And before the next weekend I will control the temperature from home and decide when to turn on the heating and which temperature to reach, monitoring the situation remotely. Fantastic and at a ridiculous price!
SONOFF® TH16 DIY 16A Smart Home WIFI Temperature Humidity Thermostat APP Remote Control Switch
US$11.87 US$21.99
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mvallero 24/01/2018
I bought this device together with Sonoff TH 16A to to remotely control the heating of my house outside the city. Comparing the values measured and transmitted on the Ewelink app with those ones by another environmental thermometer and by another hygrometer, which I have at home and of which I know the accuracy, I could notice a good accuracy both in the measurement of temperature, which never differs more than half degree (Celsius) from that measured by the environmental thermometer. And the measurement of humidity is always quite coincident, or in any case very close, to that reported by the hygrometer. I am very satisfied.
SONOFF® AM2301 Temperature And Humidity Sensor For DIY Smart Home Wirless Switch Socket Module
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