They are not at all needed when you use an Aurel receiver/transceiver. They can be added to other receiver modules as well and might improve performance with these modules too. Note that these improvements are optional for the RXB6. The above diagram also has some interesting improvements when using the RXB6 module courtesy of Snips. RXB6 optimization (not required!) to improve reception: The increase in VCC will also result in a slightly lower frequency making it easier to control RTS devices. An increase from 5 to 12 volts raises power with 10db. Pin 4 = Antenna (when a pin is connected, otherwise use the antenna solder contactįS1000A Output power improves with higher voltages. Pin 2 = MEGA rx3/Pin 15 (TX VCC) (~3 - 12 volts) In combination with the cheap Chinese transmitter (XD-FST FS1000A):
If you would like to use the RXB6 receiver the pinout is: Pin 10= MEGA VCC (Also connect here a 100nf to ground) Pin 5 = MEGA rx3/Pin 15 (-RX/TX- toggle signal!) If you would like to use the Aurel RTX MID 5v Transceiver the pinout is: Make sure you use a frequency that is legal in your country/region. Note: you can use a 433Mhz, 315Mhz, 915Mhz or 868Mhz module to adjust the frequency to your needs. Like "Aurel", "Super Heterodyne", "RXB6" and "SYN480R" Various receivers/transmitters/transceivers have been tested.įor best results use one of the following receivers:
If building this yourself is too complicated or you dont have the time, then you can also buyĪ ready made RFLink Gateway board at the Nodo webshop It has a lot of noise that leads to bad reception. However, the receiver that is often sold in a bundle with the cheapĬhinese RF transmitter is not performing very well. Alternatively a "super heterodyne" or a R6B receiver can be used.įor transmitting a low cost 433 RF transmitter can be used. Using a separate RF receiver and RF transmitter: You can also use a 2.4Ghz module with or without one of the previously mentioned modules. If you want to cover two frequencies you will need two arduino mega's You can use one RF module for 433mhz or 868mhz or 315mhz or 915mhz. If you have wiring diagrams for other modules that you used with RFLink send a mail with details and we will add it to the page. This page holds wiring details for various RF transmitter, receiver and transceiver modules for 433 mhz, 868mhz and 2.4 Ghz. RFLink: Wiring Details and Hardware Requirements 3-1-2022
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